Radio Law and Operating Practice (24 Questions)

Question 1

What is the Global Maritime Distress and Safety System (GMDSS)?

1. An automated ship-to-shore distress alerting system using satellite and advanced terrestrial communications systems
2. An emergency radio service employing analog and manual safety apparatus
3. An association of radio officers trained in emergency procedures
4. The international organization charged with the safety of ocean going vessels

Answer 1

An automated ship-to-shore distress alerting system using satellite and advanced terrestrial communications systems.

Question 2

What authority does the Marine Radio Operator Permit confer?

1. Grants authority to operate commercial broadcast stations and repair associated equipment.
2. Allows the radio operator to maintain equipment in the Business Radio Service.
3. Confers authority to operate licensed radio stations in the Aviation, Marine and International Fixed Public Radio Services.
4. The non-transferable right to install, operate and maintain any type accepted radio transmitter.

Answer 2

The non-transferable right to install, operate and maintain any type accepted radio transmitter.

Question 3

Which of the following persons are ineligible to be issued a commercial radio operator license?

1. Individuals who are unable to send and receive correctly by telephone spoken messages in English
2. Handicapped persons with uncorrected disabilities which affect their ability to perform all duties required of commercial radio operators
3. Foreign maritime radio operators unless they are certified by the International Maritime Organization (IMO)
4. U.S. Military radio operators who are still on active duty

Answer 3

Individuals who are unable to send and receive correctly by telephone spoken messages in English.

Question 4

Who is required to make entries on a required service or maintenance log?

1. The licensed operator or a person whom he or she designates
2. The operator responsible for the station operation or maintenance
3. Any commercial radio operator holding at least a Restricted Radiotelephone Operator Permit
4. The technician who actually makes the adjustments to the equipment

Answer 4

The operator responsible for the station operation or maintenance.

Question 5

What is distress traffic?

1. In radiotelegraphy, SOS sent as a single character; in radiotelephony, the speaking of the word, “Mayday”
2. Health and welfare messages concerning the immediate protection of property and the safety of human life
3. Internationally recognized communications relating to emergency situations
4. All messages relative to the immediate assistance required by a ship, aircraft or other vehicle in imminent danger

Answer 5

All messages relative to the immediate assistance required by a ship, aircraft or other vehicle in imminent danger.

Question 5

What is a requirement of every commercial operator on duty and in charge of a transmitting system?

1. A copy of the Proof-of-Passing Certificate (PPC) must be on display at the transmitter location
2. The original license or a photocopy must be posted or in the operator’s personal possession and available for inspection
3. The FCC Form 756 certifying the operator’s qualifications must be readily available at the transmitting system site
4. A copy of the operator’s license must be supplied to the radio station’s supervisory as evidence of technical qualification

Answer 5

The original license or a photocopy must be posted or in the operator’s personal possession and available for inspection.

Question 6

What is a maritime mobile repeater station?

1. A fixed land station used to extend the communications range of ship and coast stations
2. An automatic on-board radio station which facilitates the transmissions of safety communications aboard ship
3. A mobile radio station which links two or more public coast stations
4. A one-way, low-power communications system used in the maneuvering of vessels

Answer 6

A fixed land station used to extend the communications range of ship and coast stations.

Question 7

What is an urgency transmission?

1. A radio distress transmission affecting the security of humans or property
2. Health and welfare traffic which impacts the protection of on-board personnel
3. A communications alert that important personal messages must be transmitted
4. A communications transmission concerning the safety of a ship, aircraft or other vehicle, or of some person on board or within sight

Answer 7

A communications transmission concerning the safety of a ship, aircraft or other vehicle, or of some person on board or within sight.

Question 8

What is a ship earth station?

1. A maritime mobile-satellite station located at a coast station
2. A mobile satellite location located on board a vessel
3. A communications system which provides line-of-sight communications between vessels at sea and coast stations
4. An automated ship-to-shore distress alerting system

Answer 8

A mobile satellite location located on board a vessel.

Question 9

What is the internationally recognized urgency signal?

1. The letters “TTT” transmitted three times by radiotelegraphy
2. Three oral repetitions of the word “safety” sent before the call
3. The word “PAN PAN” spoken three times before the urgent call
4. The pronouncement of the word “Mayday”

Answer 9

The word “PAN PAN” spoken three times before the urgent call.

Question 10

What is a safety transmission?

1. A radiotelephony warning preceded by the words “PAN”
2. Health and welfare traffic concerning the protection of human life
3. A communications transmission which indicates that a station is preparing to transmit an important navigation or weather warning
4. A radiotelegraphy alert preceded by the letters “XXX” sent three times

Answer 10

A communications transmission which indicates that a station is preparing to transmit an important navigation or weather warning.

Question 11

What is a requirement of all marine transmitting apparatus used aboard United States vessels?

1. Only equipment that has been type-accepted by the FCC for Part 80 operations is authorized
2. Equipment must be approved by the U.S. Coast Guard for maritime mobile use
3. Certification is required by the International Maritime Organization (IMO)
4. Programming of all maritime channels must be performed by a licensed Marine Radio Operator

Answer 11

Only equipment that has been type-accepted by the FCC for Part 80 operations is authorized.

Question 12

Where do you submit an application for inspection of a ship radio station?

1. To a Commercial Operator Licensing Examination Manager (COLD Manager)
2. To the Federal Communications Commission, Washington, DC 20554
3. To the Engineer-in-Charge of the FCC District Office nearest the proposed place of inspection
4. To the nearest International Maritime Organization (IMO) review facility

Answer 12

To the Engineer-in-Charge of the FCC District Office nearest the proposed place of inspection.

Question 13

What are the antenna requirements of a VHF telephony coast, maritime utility or ship station?

1. The shore or on-board antenna must be vertically polarized
2. The antenna array must be type-accepted for 30-200 MHz operation by the FCC
3. The horizontally-polarized antenna must be positioned so as not to cause excessive interference to other stations
4. The antenna must be capable of being energized by an output in excess of 100 watts

Answer 13

The shore or on-board antenna must be vertically polarized.

Question 14

What regulations govern the use and operation of FCC-licensed ship stations in international waters?

1. The regulations of the International Maritime Organization (IMO) and Radio Officers Union
2. Part 80 of the FCC Rules plus the international Radio Regulations and agreements to which the United States is a party
3. The Maritime Mobile Directives of the International Telecommunication Union
4. Those of the FCC’s Aviation and Marine Branch, PRB, Washington FC 20554

Answer 14

Part 80 of the FCC Rules plus the international Radio Regulations and agreements to which the United States is a party.

Question 15

Which of the following transmissions are not authorized in the Maritime Service?

1. Communications from vessels in dry dock undergoing repairs
2. Message handling on behalf of third parties for which a charge is rendered
3. Needless or superfluous radiocommunications
4. Transmissions to test the operating performance of on-board station equipment

Answer 15

Needless or superfluous radiocommunications.

Question 16

What are the highest-priority communications from ships at sea?

1. All critical message traffic authorized by the ship’s master
2. Navigation and meteorological warnings
3. Distress calls, and communications preceded by the international urgency and safety signals
4. Authorized government communications for which priority right has been claimed

Answer 16

Distress calls, and communications preceded by the international urgency and safety signals.

Question 17

What is the best way for a radio operator to minimize or prevent interference to other stations?

1. By using an omni-directional antenna pointed away from other stations
2. Reducing power to a level that will not affect other on-frequency communications
3. By changing frequency when notified that a radiocommunication causes interference
4. Determine that a frequency is not in use by monitoring the frequency before transmitting

Answer 17

Determine that a frequency is not in use by monitoring the frequency before transmitting.

Question 18

Under what circumstances may a ship or aircraft station interfere with a public coast station?

1. Under no circumstances during on going radiocommunications
2. During periods of government priority traffic handling
3. When it is necessary to transmit a message concerning the safety of navigation or important meteorological warnings
4. In cases of distress

Answer 18

In cases of distress.

Question 19

Who determines when a ship station may transmit routine traffic destined for a coast or government station in the maritime mobile service?

1. Shipboard radio officers may transmit traffic when it will not interfere with ongoing radiocommunications
2. The order and time of transmission and permissible type of message traffic is decided by the licensed on-duty operator
3. Ship stations must comply with instructions given by the coast or government station
4. The precedence of conventional radiocommunications is determined by FCC and international regulation

Answer 19

Ship stations must comply with instructions given by the coast or government station.

Question 20

Who is responsible for payment of all charges accruing to other facilities for the handling or forwarding of messages?

1. The licensee of the ship station transmitting the messages
2. The third party for whom the message traffic was originated
3. The master of the ship, jointly with the station licensee
4. The licensed commercial radio operator transmitting the radiocommunication

Answer 20

The licensee of the ship station transmitting the messages.

Question 21

Ordinarily, how often would a station using a telephony emission identify?

1. At least every 10 minutes
2. At 15-minute intervals, unless public correspondence is in progress
3. At the beginning and end of each transmission and at 15-minute intervals
4. At 20-minute intervals

Answer 21

At the beginning and end of each transmission and at 15-minute intervals.

Question 22

When does a maritime radar transmitter identify its station?

1. By radiotelegraphy at the onset and termination of operation
2. At 20-minute intervals, using an automatic transmitter identification system
3. Radar transmitters must not transmit station identification
4. By a transmitter identification lable (TIL) secured to the transmitter

Answer 22

Radar transmitters must not transmit station identification.

Question 23

What is the general obligation of a coast or marine-utility station?

1. To accept and dispatch messages without charge, which are necessary for the business and operational needs of ships
2. To acknowledge and receive all calls directed to it by ship or aircraft stations
3. To transmit lists of call signs of all fixed and mobile stations for which they have traffic
4. To boardcast warnings and other information for the general benefit of all mariners

Answer 23

To acknowledge and receive all calls directed to it by ship or aircraft stations.

Question 24

**How does a coast station notify a ship that it has a message for the ship?** 1. By making a directed transmission on 2182 kHz or 156.800 MHz 2. The coast station changes to the vessel's known working frequency 3. By establishing communications using the eight-digit maritime mobile service identification 4. The coast station may transmit, at intervals, lists of call signs in alphabetical order for which they have traffic

Answer 24

**The coast station may transmit, at intervals, lists of call signs in alphabetical order for which they have traffic.**

Question 25

**Under what circumstances may a coast station using telephony transmit a general call to a group of vessels?** 1. Under no circumstances 2. When announcing or preceding the transmission of distress urgency, safety or other important messages 3. When the vessels are located in international waters beyond 12 miles 4. When identical traffic is destined for multiple mobile stations within range

Answer 25

**When announcing or preceding the transmission of distress urgency, safety or other important messages.**

Question 26

**Who has ultimate control of service at a ship's radio station?** 1. The master of the ship 2. A holder of a First Class Radiotelegraph Certificate with a six months' service endorsement 3. The Radio Officer-in-Charge authorized by the captain of the vessel 4. An appointed licensed radio operator who agrees to comply with all Radio Regulations in force

Answer 26

**The master of the ship.**

Question 27

**What is the power limitation of associated ship stations operating under the authority of a ship station license?** 1. The power level authorized to the parent ship station 2. Associated vessels are prohibited from operating under the authority granted to another station licensee 3. The minimum power necessary to complete the radiocommunications 4. Power is limited to one watt

Answer 27

**Power is limited to one watt.**

Question 28

**How is an associated vessel operating under the authority of another ship station license identified?** 1. All vessels are required to have a unique call sign issued by the Federal Communications Commission 2. With any station call sign self-assigned by the operator of the associated vessel 3. By the call sign of the station with which it is connected and an appropriate unit designator 4. Client vessels use the call sign of their parent plus the appropriate ITU regional indicator

Answer 28

**By the call sign of the station with which it is connected and an appropriate unit designator.**

Question 29

**On what frequency should a ship station normally call a coast station when using a radiotelephony emission?** 1. On a vacant radio channel determined by the licensed radio officer 2. Calls should be initiated on the appropriate ship-to-shore working frequency of the coast station 3. On any calling frequency internationally approved for use within ITU Region 2 4. On 2182 kHz or 156.800 MHz at any time

Answer 29

**Calls should be initiated on the appropriate ship-to-shore working frequency of the coast station.**

Question 30

**On what frequency would a vessel normally call another ship station when using a radiotelephony emission?** 1. Only on 2182 kHz in ITU Region 2 2. On the appropriate calling channel of the ship station at 15 minutes past the hour 3. On 2182 kHz or 156.800 MHz, unless the station knows the called vessel maintains a simultaneous watch on another intership working frequency 4. On the vessel's unique working radio channel assigned by the Federal Communications Commission

Answer 30

**On 2182 kHz or 156.800 MHz, unless the station knows the called vessel maintains a simultaneous watch on another intership working frequency.**

Question 31

**What is required of a ship station which has established initial contact with another station on 2182 kHz or 156.800 MHz?** 1. The stations must check the radio channel for distress, urgency and safety calls at least once every ten minutes 2. The stations must change to an authorized working frequency for the transmission of messages 3. Radiated power must by minimized so as not to interfere with other stations needing to use the channel 4. To expedite safety communications, the vessels must observe radio silence for two out of every fifteen minutes

Answer 31

**The stations must change to an authorized working frequency for the transmission of messages.**

Question 32

**What type of communications may be exchanged by radioprinter between authorized private coast stations and ships of less than 1600 gross tons?** 1. Public correspondence service may be provided on voyages of more than 24 hours 2. All communications, providing they do not exceed 3 minutes after the stations have established contact 3. Only those communications which concern the business and operational needs of vessels 4. There are no restrictions

Answer 32

**Only those communications which concern the business and operational needs of vessels.**

Question 33

**What are the service requirements of all ship stations?** 1. Each ship station must receive and acknowledge all communications with any station in the maritime mobile service 2. Public correspondence services must be offered for any person during the hours the radio operator is normally on duty 3. All ship stations must maintain watch on 500 kHz, 2182 kHz and 156.800 MHz 4. Reserve antennas, emergency power sources and alternate communications installations must be available

Answer 33

**Each ship station must receive and acknowledge all communications with any station in the maritime mobile service.**

Question 34

**When may the operator of a ship radio station allow an unlicensed person to speak over the transmitter?** 1. At no time. Only commercially-licensed radio operators may modulate the transmitting apparatus 2. When the station power does not exceed 200 watts peak envelope power 3. When under the supervision of the licensed operator 4. During the hours that the radio officer is normally operator

Answer 34

**When under the supervision of the licensed operator.**

Question 35

**What are the radio operator requirements of a cargo ship equipped with a 1000 watt peak-envelope-power radiotelephone station?** 1. The operator must hold a General Radiotelephone Operator License or higher-class license 2. The operator must hold a Restricted Radiotelephone Operator Permit or higher-class license 3. The operator must hold a Marine Radio Operator Permit or higher-class license 4. The operator must hold a GMDSS Radio Maintainer's License

Answer 35

**The operator must hold a Marine Radio Operator Permit or higher-class license.**

Question 36

**What are the radio operator requirements of a small passenger ship carrying more than six passengers equipped with a 1000-watt carrier power radiotelephone station?** 1. The operator must hold a General Radiotelephone Operator or higher-class license 2. The operator must hold a Marine Radio Operator Permit or higher-class license 3. The operator must hold a Restricted Radiotelephone Operator Permit or higher-class license 4. The operator must hold a GMDSSS Radio Operator's License

Answer 36

**The operator must hold a General Radiotelephone Operator or higher-class license.**

Question 37

**Which commercial radio operator license is required to operate a fixed tuned ship radar station with external controls?** 1. A radio operator certificate containing a Ship Radar Endorsement 2. A Marine Radio Operator Permit or higher 3. Either a First or Second Class Radiotelegraph certificate or a General Radiotelephone Operator License 4. No radio operator authorization is required

Answer 37

**No radio operator authorization is required.**

Question 38

**Which commercial radio operator license is required to install a VHF transmitter in a voluntarily-equipped ship station?** 1. A Marine Radio Operator Permit or higher class of license 2. None, if installed by, or under the supervision of, the licensee of the ship station and no modifications are made to any circuits 3. A Restricted Radiotelephone Operator Permit or higher class of license 4. A General Radiotelephone Operator License

Answer 38

**None, if installed by, or under the supervision of, the licensee of the ship station and no modifications are made to any circuits.**

Question 39

**What transmitting equipment is authorized for use by a station in the maritime services?** 1. Transmitters that have been certified by the manufacturer for maritime use 2. Unless specifically excepted, only transmitters type-accepted by the Federal Communications Commission for Part 80 operations 3. Equipment that has been inspected and approved by the U.S. Coast Guard 4. Transceivers and transmitters that meet all ITU specifications for use in maritime mobile service

Answer 39

**Unless specifically excepted, only transmitters type-accepted by the Federal Communications Commission for Part 80 operations.**

Question 40

**What is the Communication Act's definition of a "passenger ship"?** 1. Any ship which is used primarily in commerce for transporting persons to an from harbors or ports 2. A vessel that carries or is licensed or certificated to carry more than 12 passengers 3. Any ship transporting more than six passengers for hire 4. A vessel of any nation that has been inspected and approved as a passenger carrying vessel

Answer 40

** A vessel that carries or is licensed or certificated to carry more than 12 passengers.**

Question 41

**What is a distress communication?** 1. An internationally recognized communication indicating that the sender is threatened by grave and imminent danger an requests immediate assistance 2. Communications indicating that the calling station has a very urgent message concerning safety 3. Radiocommunications which, if delayed, will adversely affect the safety of life or property 4. An official radiocommunications notification of approaching navigational or meteorological hazards

Answer 41

** An internationally recognized communication indicating that the sender is threatened by grave and imminent danger an requests immediate assistance.**

Question 42

**Who may be granted a ship station license in the maritime service?** 1. Anyone, including foreign governments 2. Only FCC-licensed operators holding a First or Second Class Radiotelegraph Operator's Certificate or the General Radiotelephone Operator License 3. Vessels that have been inspected and approved by the U.S. Coast Guard and Federal Communications Commission 4. The owner or operator o a vessel, or their subsidiaries

Answer 42

**The owner or operator o a vessel, or their subsidiaries .**

Question 43

**Who is responsible for the proper maintenance of station logs?** 1. The station licensee and the radio operator in charge of the station 2. The station licensee 3. The commercially-licensed radio operator in charge of the station 4. The ship's master and the station licensee

Answer 43

**The station licensee and the radio operator in charge of the station.**

Question 44

**How long should station logs be retained when there are entries relating to distress or disaster situations?** 1. Until authorized by the Commission in writing to destroy them 2. Indefinitely, or until destruction is specifically authorized by the U.S. Coast Guard 3. For a period of three years from the date of entry, unless notified by the FCC 4. For a period of one year from the date of entry

Answer 44

**For a period of three years from the date of entry, unless notified by the FCC.**

Question 45

**Where must ship station logs be kept during a voyage?** 1. At the principal radiotelephone operating position 2. They must be secured in the vessel's strongbox for safekeeping 3. In the personal custody of the licensed commercial radio operator 4. All logs are turned over to the ship's master when the radio operator goes off duty

Answer 45

**At the principal radiotelephone operating position.**

Question 46

**What is the antenna requirement of a radiotelephone installation aboard a passenger vessel?** 1. The antenna must be located a minimum of 15 meters from the radiotelegraph antenna 2. An emergency reserve antenna system must be provided for communications on 156.8 MHz 3. The antenna must be vertically polarized and as non-directional and efficient as is practicable for the transmission and reception of ground waves over seawater 4. All antennas must be tested and the operational results logged at least once during each voyage

Answer 46

**The antenna must be vertically polarized and as non-directional and efficient as is practicable for the transmission and reception of ground waves over seawater.**

Question 47

**Where must the principal radiotelephone operating position be installed in a ship station?** 1. At the principal radio operating position of the vessel 2. In the room or an adjoining room from which the ship is normally steered while at sea 3. In the chart room, master's quarters or wheel house 4. At the level of the main wheel house or at least one deck above the ship's main deck

Answer 47

**In the room or an adjoining room from which the ship is normally steered while at sea.**

Question 48

**What are the technical requirements of a VHF antenna system aboard a vessel?** 1. The antenna must provide an amplification factor of at least 2.1 dbi 2. The antenna must be vertically polarized and non-directional 3. The antenna must be capable or radiating a signal a minimum of 150 nautical miles on 156.8MHz 4. The antenna must be constructed of corrosion-proof aluminum and capable of proper operation during an emergency

Answer 48

**The antenna must be vertically polarized and non-directional.**

Question 49

**How often must the radiotelephone installation aboard a small passenger board be inspected?** 1. Equipment inspections are required at least once every 12 months 2. When the vessel is first placed in service and every 2 years thereafter 3. At least once every five years 4. A minimum of every 3 years, and when the ship is within 75 statute miles of an FCC field office

Answer 49

**At least once every five years.**

Question 50

**How far from land may a small passenger vessel operate when equipped only with a VHF radiotelephone installation?** 1. No more than 20 nautical miles from the nearest land if within the range of a VHF public coast or U.S. Coast Guard station 2. No more than 100 nautical miles from the nearest land 3. No more than 20 nautical miles unless equipped with a reserve power supply 4. The vessel must remain within the communications range of the nearest coast station at all times

Answer 50

**No more than 20 nautical miles from the nearest land if within the range of a VHF public coast or U.S. Coast Guard station.**

Question 51

**What is the minimum transmitter power level required by the FCC for a medium-frequency transmitter aboard a compulsorily fitted vessel?** 1. At least 100 watts, single-sideband, suppressed-carrier power 2. At least 60 watts PEP 3. The power predictably needed to communicate within the nearest public coast station operating on 2182 kHz 4. At least 25 watts delivered into 50 ohms effective resistance when operated with a primary voltage of 13.6 volts DC

Answer 51

**At least 60 watts PEP.**

Question 52

**What is a Class "A" EPIRB?** 1. An alerting device notifying mariners of imminent danger 2. A satellite-based maritime distress and safety alerting system 3. An automatic, battery-operated emergency position-indicating radiobeacon that floats free of a sinking ship 4. A high-efficiency audio amplifier

Answer 52

**An automatic, battery-operated emergency position-indicating radiobeacon that floats free of a sinking ship.**

Question 53

**What are the radio watch requirements of a voluntary ship?** 1. While licensees are not required to operate the ship radio station, general-purpose watches must be maintained if they do 2. Radio watches must be maintained on 500 kHz, 2182 kHz and 156.800 MHz, but no station logs are required 3. Radio watches are optional but logs must be maintained of all medium-, high-frequency and VHF radio operation 4. Radio watches must be maintained on the 156-158 MHz, 1600-4000 kHz and 4000-23,000 kHz bands

Answer 53

**While licensees are not required to operate the ship radio station, general-purpose watches must be maintained if they do.**

Question 54

**What is the Automated Mutual-Assistance Vessel Rescue System?** 1. A voluntary organization of mariners who maintain radio watch on 500 kHz, 2182 kHz and 156.800 MHz 2. An international system operated by the Coast Guard, providing coordination of search and rescue efforts 3. A coordinated radio direction-finding effort between the Federal Communications Commission and U.S. Coast Guard to assist ships in distress 4. A satellite-based distress and safety-alerting program operated by the U.S. Coast Guard

Answer 54

**An international system operated by the Coast Guard, providing coordination of search and rescue efforts.**

Question 55

**What is a bridge-to-bridge station?** 1. An internal communications system linking the wheel house with the ship's primary radio operating position and other integral ship control points 2. An inland waterways and coastal radio station serving ship stations operating within the United States 3. A portable ship station necessary to eliminate frequent application to operate a ship station on board different vessels 4. A VHF radio station located on a ship's navigational bridge or main control station that is used only for navigational communications

Answer 55

**A VHF radio station located on a ship's navigational bridge or main control station that is used only for navigational communications.**

Question 56

**Which of the following statements is true as to ships subject to the Safety Convention?** 1. A cargo ship participates in international commerce by transporting goods between harbors 2. Passenger ships carry six or more passengers for hire as opposed to transporting merchandise 3. A cargo ship is any ship that is not licensed or certificated to carry more than 12 passengers 4. Cargo ships are FCC-inspected on an annual basis, while passenger ships undergo U.S. Coast Guard inspections every six months

Answer 56

**A cargo ship is any ship that is not licensed or certificated to carry more than 12 passengers.**

Question 57

**What is a "passenger-carrying vessel" when used in reference to the Great Lakes Radio Agreement?** 1. A vessel that is licensed or certificated to carry more than 12 passengers 2. Any ship carrying more than six passengers for hire 3. Any ship, the principal purpose of which is to ferry persons on the Great Lakes and other inland waterways 4. A ship which is used primarily for transporting persons and goods to and from domestic harbors or ports

Answer 57

**Any ship carrying more than six passengers for hire.**

Question 58

**How do the FCC's rules define a power-driven vessel?** 1. A ship that is not manually propelled or under sail 2. Any ship propelled by machinery 3. A watercraft containing a motor with a power rating of at least 3 HP 4. A vessel moved by mechanical equipment at a rate of 5 knots or more

Answer 58

**Any ship propelled by machinery.**

Question 59

**How do the rules define "navigational communications?"** 1. Safety communications pertaining to the maneuvering or directing of vessel's movements 2. Important communications concerning the routing of vessels during periods of meteorological crisis 3. Telecommunications pertaining to the guidance of maritime vessels in hazardous waters 4. Radio signals consisting of weather, sea conditions, notices to mariners and potential dangers

Answer 59

**Safety communications pertaining to the maneuvering or directing of vessel's movements.**

Question 60

**What traffic management service is operated by the U.S Coast Guard in certain designated water areas to prevent ship collisions, groundings and environmental harm?** 1. Water Safety Management Bureau (WSMB) 2. Vessel Traffic Service (VTS) 3. Ship Movement and Safety Agency (SMSA) 4. Interdepartmental Harbor and Port Patrol (IHPP)

Answer 60

**Vessel Traffic Service (VTS).**

Question 61

**What action must be taken by the owner of a vessel who changes its name?** 1. A Request for Ship License Modification (RSLM) must be submitted to the FCC's licensing facility 2. The Engineer-in-Charge of the nearest FCC field office must be informed 3. The Federal Communications Commission in Gettysburg, PA, must be notified in writing 4. Written confirmation must be obtained from the U.S. Coast Guard

Answer 61

**The Federal Communications Commission in Gettysburg, PA, must be notified in writing.**

Question 62

**When may a shipboard radio operator make a transmission in the maritime services not addressed to a particular station or stations?** 1. General CQ calls may only be made when the operator is off duty and another operator is on watch 2. Only during the transmission of distress, urgency or safety signals or messages, or to test the station 3. Only when specifically authorized by the master of the ship 4. When the radio officer is more than 12 miles from shore and the nearest ship or coast station is unknown

Answer 62

**Only during the transmission of distress, urgency or safety signals or messages, or to test the station.**

Question 63

**What is the order of priority of radiotelephone communications in the maritime services?** 1. Distress calls and signals, followed by communications preceded by urgency and safety signals 2. Alarm, radio direction-finding, and health and welfare communications 3. Navigation hazards, meteorological warnings, priority traffic 4. Government precedence, messages concerning safety of life and protection of property, and traffic concerning grave and imminent danger

Answer 63

**Distress calls and signals, followed by communications preceded by urgency and safety signals.**

Question 64

**What should a station operator do before making a transmission?** 1. Transmit a general notification that the operator wishes to utilize the channel 2. Except for the transmission of distress calls, determine that the frequency is not in use by monitoring the frequency before transmitting 3. Check transmitting equipment to be certain it is properly calibrated 4. Ask if the frequency is in use

Answer 64

**Except for the transmission of distress calls, determine that the frequency is not in use by monitoring the frequency before transmitting.**

Question 65

**What is the proper procedure for testing a radiotelephone installation?** 1. Transmit the station's call sign, followed by the word "test" on the radio channel being used for the test 2. A dummy antenna must be used to insure the test will not interfere with ongoing communications 3. Permission for the voice test must be required and received from the nearest public coast station 4. Short tests must be confined to a single frequency and must never be conducted in port

Answer 65

**Transmit the station's call sign, followed by the word "test" on the radio channel being used for the test.**

Question 66

**What is the minimum radio operator requirement for ships subject to the Great Lakes Radio Agreement?** 1. Third Class Radiotelegraph Operator's Certificate 2. General Radiotelephone Operator License 3. Marine Radio Operator Permit 4. Restricted Radiotelephone Operator Permit

Answer 66

**Marine Radio Operator Permit.**

Question 67

**What FCC authorization is required to operate a VHF transmitter on board a vessel voluntarily equipped with radio and sailing on a domestic voyage?** 1. No radio operator license or permit is required 2. Marine Radio Operator Permit 3. Restricted Radiotelephone Operator Permit 4. General Radiotelephone Operator License

Answer 67

**No radio operator license or permit is required.**

Question 68

**On what frequencies does the Communications Act require radio watches by compulsory radiotelephone stations?** 1. Watches are required on 500 kHz and 2182 kHz 2. Continuous watch is required on 2182 kHz only 3. On all frequencies between 405-535 kHz, 1605-3500 kHz and 156-162 MHz 4. Watches are required on 2182 kHz and 156.800 MHz

Answer 68

**Watches are required on 2182 kHz and 156.800 MHz.**

Question 69

**What is the purpose of the international radiotelephone alarm signal?** 1. To notify nearby ships of the loss of a person or persons overboard 2. To call attention to the upcoming transmission of an important meteorological warning 3. To alert radio officers monitoring watch frequencies of a forthcoming distress, urgency or safety message 4. To actuate automatic devices giving an aural alarm to attract the attention of the operator where there is no listening watch on the distress frequency

Answer 69

**To actuate automatic devices giving an aural alarm to attract the attention of the operator where there is no listening watch on the distress frequency.**

Question 70

**What is the proper procedure for making a correction in the station log?** 1. The ship's master must be notified, approve and initial all changes to the station log 2. The mistake may be erased and the correction made and initialized only by the radio operator making the original error 3. The original person making the entry must strike out the error, initial the correction and indicate the date of the correction 4. Rewrite the new entry in its entirety directly below the incorrect notation and initial the change

Answer 70

**The original person making the entry must strike out the error, initial the correction and indicate the date of the correction.**

Question 71

**What authorization is required to operate a 350-watt, PEP maritime voice station on frequencies below 30 MHz aboard a small, non-commercial pleasure vessel?** 1. Third Class Radiotelegraph Operator's Certificate 2. General Radiotelephone Operator License 3. Restricted Radiotelephone Operator Permit 4. Marine Radio Operator Permit

Answer 71

**Restricted Radiotelephone Operator Permit.**

Question 72

**What is selective calling?"" 1. A coded transmission directed to a particular ship station 2. A radiotelephony communication directed at a particular ship station 3. An electronic device which uses a discriminator circuit to filter out unwanted signals 4. A telegraphy transmission directed only to another specific radiotelegraph station

Answer 72

**A coded transmission directed to a particular ship station.**

Question 73

In the International Phonetic Alphabet, the letters D, N and O are represented by the words:** 1. Delta, November, Oscar 2. Denmark, Neptune, Oscar 3. December, Nebraska, Olive 4. Delta, Neptune, Olive

Answer 73

**Delta, November, Oscar.**

Question 74

**When is it legal to transmit high power on channel 13?** 1. Failure of vessel being called to respond 2. In a blind situation such as rounding a bend in a river 3. During an emergency 4. All of these

Answer 74

**All of these.**

Question 75

**What must be in operation when no operator is standing watch on a compulsory radio-equipped vessel while out at sea?** 1. An auto alarm 2. Indicating Radio Beacon Signals 3. Distress-Alert signal device 4. Radiotelegraph transceiver set to 2182 kHz

Answer 75

**An auto alarm.**

Question 76

**When may a bridge-to-bridge transmission be more than 1 watt?** 1. When broadcasting a distress message 2. When rounding a bend in a river or traveling in a blind spot 3. When calling the Coast Guard 4. When broadcasting a distress message and rounding a bend in a river or traveling in a blind spot

Answer 76

**When broadcasting a distress message and rounding a bend in a river or traveling in a blind spot.**

Question 77

**When are EPIRB batteries changed?** 1. After emergency use; after battery life expires 2. After emergency use; as per manufacturer's instructions marked on outside of transmitter within month an year replacement date 3. After emergency use; every 12 months when not used 4. Whenever voltage drops to less than 50% of full charge

Answer 77

**After emergency use; as per manufacturer's instructions marked on outside of transmitter within month an year replacement date.**

Question 78

**The radiotelephone distress message consist of:** 1. MAYDAY spoken three times, call sign and name of vessel in distress 2. Particulars of its position, latitude and longitude, and other information which might facilitate rescue, such as length, color and type of vessel, and number of persons on board 3. Nature of distress and kind of assistance required 4. All of these

Answer 78

**All of these.**

Question 79

**If a ship sinks, what device is designed to float free of the mother ship, is tuned on automatically and transmits a distress signal?** 1. EPIRB on 121.5 MHz / 243 MHz or 406.025 MHz 2. EPIRB on 2182 kHz and 405.025 kHz 3. Bridge-to-bridge transmitter on 2182 kHz 4. Auto alarm keyer on any frequency

Answer 79

**EPIRB on 121.5 MHz / 243 MHz or 406.025 MHz.**

Question 80

**International laws and regulations require a silent period on 2182 kHz:** 1. For three minutes immediately after the hour 2. For three minutes immediately after the half-hour 3. For the first minute of every quarter-hour 4. For three minutes immediately after the hour and the half-hour

Answer 80

**For three minutes immediately after the hour and the half-hour.**

Question 81

**How should the 2182-kHz auto-alarm be tested?** 1. On a different frequency into antenna 2. On a different frequency into dummy load 3. On 2182 kHz into antenna 4. Only under U.S. Coast Guard authorization

Answer 81

**On a different frequency into dummy load.**

Question 82

**What is the average range of VHF marine transmissions?** 1. 150 miles 2. 50 miles 3. 20 miles 4. 10 miles

Answer 82

**20miles.**

Question 83

**A ship station using VHF bridge-to-bridge Channel 13:** 1. May be identified by call sign and country of origin 2. Must be identified by call sign and name of vessel 3. May be identified by the name of the ship in lieu of call sign 4. Does not need to identify itself within 100 miles from shore

Answer 83

**May be identified by the name of the ship in lieu of call sign.**

Question 84

**When using a SSB station on 2182 kHz or VHF-FM on Channel 16:** 1. Preliminary call must not exceed 30 seconds 2. If contact is not made, you must wait at least 2 minutes before repeating the call 3. Once contact is established, you must switch to a working frequency 4. All of these

Answer 84

**All of these.**

Question 85

**By international agreement, which ships must carry radio equipment for the safety of life at sea?** 1. Cargo ships more than 300 gross tons and vessels carrying more than 12 passengers 2. All ships traveling more than 100 miles out to sea 3. Cargo ships of more than 100 gross tons and passenger vessels on international deep-sea voyages 4. All cargo ships more than 100 gross tons

Answer 85

**Cargo ships more than 300 gross tons and vessels carrying more than 12 passengers.**

Question 86

**What is the most important practice that a radio operator must learn?** 1. Monitor the channel before transmitting 2. Operate with the lowest power necessary 3. Test a radiotelephone transmitter daily 4. Always listen to 121.5 MHz

Answer 86

**Monitor the channel before transmitting.**

Question 87

**Portable ship radio transceivers operated as associated ship units:** 1. Must be operated on the safety and calling frequency 156.8 MHz (Channel 16) or a VHF intership frequency 2. May not be used from shore without a separate license 3. Must only communicate with the ship station with which it is associated or with associated portable ship units 4. All of these

Answer 87

**All of these.**

Question 88

**Which is a radiotelephony calling and distress frequency?** 1. 500 kHz 2. 2182 kHz 3. 156.3 MHz 4. 3113 kHz

Answer 88

**2181 kHz.**

Question 89

**What is the priority of communications?** 1. Distress, urgency, safety and radio direction-finding 2. Safety, distress, urgency and radio direction-finding 3. Distress, safety, radio direction-finding, search and rescue 4. Radio direction-finding, distress and safety

Answer 89

**Distress, urgency, safety and radio direction-finding.**

Question 90

**Cargo ships of 300 to 1600 gross tons should be able to transmit a minimum range of:** 1. 75 miles 2. 150 miles 3. 200 miles 4. 300 miles

Answer 90

**150 miles**

Question 91

**Radiotelephone stations required to keep logs of their transmissions must include:** 1. Station, date an time 2. Name of operator on duty 3. Station call signs with which communication took place 4. All of these

Answer 91

**All of these**

Question 92

**Each cargo ship of the United States which is equipped with a radiotelephone station for compliance with Part II of Title III of the Communications Act shall, while being navigated outside of a harbor or port, keep a continuous and efficient watch on: 1. 2182 kHz 2. 156.8 MHz 3. 2182 kHz and 156.8 MHz 4. Monitor all frequencies within the 2000 kHz to 27500 kHz band used for communications

Answer 92

**2182 kHz and 156.8 MHz**

Question 93

**What call should you transmit on Channel 16 if your ship is sinking?** 1. SOS three times 2. MAYDAY three times 3. PAN three times 4. URGENCY three times

Answer 93

**MAYDAY three times.**

Question 94

**Under normal circumstances, what do you do if the transmitter aboard your ship is operating off-frequency, overmodulating or distorting?** 1. Reduce to low power 2. Stop transmitting 3. Reduce audio volume level 4. Make a notation in station operating log

Answer 94

**Stop transmitting**

Question 95

**The urgency signal has lower priority than:** 1. Direction-finding 2. Distress 3. Safety 4. Security

Answer 95

**Distress**

Question 96

**The primary purpose of bridge-to-bridge communications is:** 1. Search and rescue emergency calls only 2. All short-range transmission aboard ship 3. Transmission of Captain's orders from the bridge 4. Navigational communications

Answer 96

**Navigational communications**

Question 97

**What is the international VHF digital selective calling channel?** 1. 2182 kHz 2. 156.35 MHz 3. 156.525 MHz 4. 500 kHz

Answer 97

**156.525 MHz**

Question 98

**When your transmission is ended and you expect no response, say:** 1. BREAK 2. OVER 3. ROGER 4. CLEAR

Answer 98

**CLEAR**

Question 99

**When attempting to contact other vessels on Channel 16:** 1. Limit calling to 30 seconds 2. If no answer is received, wait 2 minutes before calling vessel again 3. Channel 16 is used for emergency calls only 4. Limit calling to 30 seconds and if no answer is received, wait 2 minutes before calling vessel again

Answer 99

**Limit calling to 30 seconds and if no answer is received, wait 2 minutes before calling vessel again**

Question 100

**When a message has been received and will be complied with, say:** 1. MAYDAY 2. OVER 3. ROGER 4. WILCO

Answer 100

**WILCO**

Question 101

**The FCC may suspend an operator license upon proof that the operator:** 1. Has assisted another to obtain a license by fraudulent means 2. Has willfully damaged transmitter equipment 3. Has transmitted obscene language 4. Any of these

Answer 101

**Any of these**

Question 102

**What channel must compulsorily-equipped vessels monitor at all times in the open sea?** 1. Channel 8, 156.4 MHz 2. Channel 16, 156.8 MHz 3. Channel 22A, 157.1 MHz 4. Channel 6, 156.3 MHz

Answer 102

**Channel 16, 156.8 MHz**

Question 103

**When testing is conducted on 2182 kHz or 156.8 MHz, testing should not continue for more than ___ in any 5-minute period** 1. 10 seconds 2. 1 minute 3. 2 minutes 4. None of the above

Answer 103

**10 seconds**

Question 104

**Which VHF channel is used only for digital selective calling?** 1. Channel 70 2. Channel 16 3. Channel 22A 4. Channel 6

Answer 104

**Channel 70**

Question 105

**VHF ship station transmitters must have the capability of reducing carrier power to:** 1. 1 watt 2. 10 watts 3. 25 watts

Answer 105

**1 watt**

Question 106

**The system of substituting words for corresponding letters is called:** 1. International code system 2. Phonetic system 3. Mnemonic system 4. 10 codes

Answer 106

**Phonetic system**

Question 107

**How long should station logs be retained when there are no entries relating to distress or disaster situations?** 1. For a period of three years from the date of entry, unless notified by the FCC 2. Until authorized by the Commission in writing to destroy them 3. Indefinitely, or until destruction is specifically authorized by the U.S. Coast Guard 4. For a period of one year from the date of entry

Answer 107

**For a period of one year from the date of entry**

Question 108

**The auto alarm device for generating signals shall be:** 1. Tested monthly, using a dummy load 2. Tested every three months, using a dummy load 3. Tested weekly, using a dummy load 4. None of these

Answer 108

**Tested weekly, using a dummy load**

Question 109

**Licensed radiotelephone operators are not required on board ships for:** 1. Voluntarily equipped ship stations on domestic voyages operating on VHF channels 2. Ship radar, provided the equipment is non-tunable, pulse-type magnetron and can be operated by means of exclusively-external controls 3. Installation of a VHF transmitter in a ship station where the work is performed by or under the immediate supervision of the licensee of the ship station 4. Any of these

Answer 109

**Any of these**

Question 110

**Under what license are hand-held transceivers covered when used on board a ship at sea?** 1. The ship station license 2. Under the authority of the licensed operator 3. Walkie-talkie radios are illegal to use at sea 4. No license is needed

Answer 110

**the ship station license**

Question 111

**What should an operator do to prevent interference?** 1. Turn off transmitter when not in use 2. Monitor channel before transmitting 3. Transmissions should be as brief as possible 4. Monitor channel before transmitting and make transmissions as brief as possible

Answer 111

**Monitor channel before transmitting and make transmissions as brief as possible**

Question 112

**Identify a ship station's radiotelephone transmissions by:** 1. Country of registration 2. Call sign 3. Port of registry 4. Name of vessel operator

Answer 112

**Call sign**

Question 113

**Maritime emergency radios should be tested:** 1. Before each voyage 2. Weekly while the ship is at sea 3. Every 24 hours 4. Before each voyage and weekly while the ship is at sea

Answer 113

**Before each voyage and weekly while the ship is at sea**

Question 114

**The URGENCY signal concerning the safety of a ship, aircraft or person shall be sent only on the authority of:** 1. Master of ship 2. Person responsible for mobile station 3. Either Master of ship or person responsible for mobile station 4. An FCC-licensed operator

Answer 114

**Either Master of ship or person responsible for mobile station**

Question 115

**Survival craft emergency transmitter tests may NOT be made:** 1. For more than 10 seconds 2. Without using station call sign, followed by the word "test" 3. Within 5 minutes of a pervious test 4. All of these

Answer 115

**All of these**

Question 116

**International laws and regulations require a silent period on 2182 kHz:** 1. For three minutes immediately after the hour 2. For three minutes immediately after the half-hour 3. For the first minute of every quarter-hour 4. For three minutes immediately after the hour and half-hour

Answer 116

**For three minutes immediately after the hour and half-hour**

Question 117

**How should the 2182 kHz auto-alarm be tested?** 1. On a different frequency into antenna 2. On a different frequency into dummy load 3. On 2182 kHz into dummy load 4. On 2182 kHz into antenna

Answer 117

**On a different frequency into dummy load**

Question 118

**Each cargo ship of the United States which is equipped with a radiotelephone station for compliance with the Safety Convention shall, while at sea:** 1. Not transmit on 2182 kHz during emergency conditions 2. Keep the radiotelephone transmitter operating at full 100% carrier power for maximum reception on 2182 kHz 3. Reduce peak envelope power on 156.8 MHz during emergencies 4. Keep continuous watch on 2182 kHz using a watch receiver having a loudspeaker and auto-alarm distress-frequency watch receiver

Answer 118

**Keep continuous watch on 2182 kHz using a watch receiver having a loudspeaker and auto-alarm distress-frequency watch receiver**

Question 119

**What is the procedure for testing a 2182 kHz ship radiotelephone transmitter with full carrier power while out at sea?** 1. Reduce to low power, then transmit test tone 2. Switch transmitter to another frequency before testing 3. Simply say: "This is (call letters) testing." If all meters indicate normal values, it is assumed transmitter is operating properly 4. Is is not permitted to test on the air

Answer 119

**Simply say: "This is (call letters) testing." If all meters indicate normal values, it is assumed transmitter is operating properly**

Question 120

**If your transmitter is producing spurious harmonics or is operating at a deviation from the technical requirements of the station authorization:** 1. Continue operating until returning to port 2. Repair problem within 24 hours 3. Cease transmission 4. Reduce power immediately

Answer 120

**Cease transmission**

Question 121

**As an alternative to keeping watch on a working frequency in the band 1600-4000 kHz, an operator must tune station receiver to monitor 2182 kHz:** 1. At all times 2. During distress calls only 3. During daytime hours of service 4. During the silence periods each hour

Answer 121

**At all times**

Question 122

**An operator or maintainer must hold a General Radiotelephone Operator License to:** 1. Adjust or repair FCC-licensed transmitters in the aviation, maritime and international fixed public radio services 2. Operate voluntarily-equipped ship maritime mobile or aircraft transmitters with more than 1,000 watts of peak envelope power 3. Operate radiotelephone equipment with more than 1,500 watts of peak envelope power on cargo ships over 300 gross tons 4. All of these

Answer 122

**All of these**

Question 123

**What is the radiotelephony calling and distress frequency?** 1. 500 kHz 2. 500R122JA 3. 2182 kHz 4. 2182R2647

Answer 123

**2182 kHz**

Question 124

**If a ship radio transmitter signal becomes distorted:** 1. Cease operations 2. Reduce transmitter power 3. Use minimum modulation 4. Reduce audio amplitude

Answer 124

**Cease operations**

Question 125

**Tests of survival craft radio equipment, EXCEPT EPIRBs and two-way radiotelephone equipment, must be conducted:** 1. At weekly intervals while the ship is at sea 2. Within 24 hours prior to departure when a test has not been conducted within a week of departure 3. At weekly intervals while the ship is at sea and within 24 hours prior to departure when a test has not been conducted within a week of departure 4. When required by the Commission

Answer 125

**At weekly intervals while the ship is at sea and within 24 hours prior to departure when a test has not been conducted within a week of departure**

Question 126

**Each cargo ship of the United States which is equipped with a radiotelephone station for compliance with Part II of Title III of the Communications Act shall, while being navigated outside of a harbor or port, keep a continuous watch on:** 1. 2182 kHz 2. 156.8 MHz 3. 2182 kHz and 156.8 MHz 4. Cargo ships are exempt from radio watch regulartions

Answer 126

**2182 kHz and 156.8 MHz**

Question 127

**When may you test a radiotelephone transmitter on the air?** 1. Between midnight and 6:00 AM local time 2. Only when authorized by the Commission 3. At any time as necessary to assure proper operation 4. After reducing transmitter power to 1 watt

Answer 127

**At any time as necessary to assure proper operation**

Question 128

**What is the required daytime range of a radiotelephone station aboard a 900-ton, ocean-going cargo vessel?** 1. 25 miles 2. 50 miles 3. 150 miles 4. 500 miles

Answer 128

**150 miles**

Question 129

**What do you do if the transmitter aboard your ship is operating off-frequency, overmodulating or distorting?** 1. Reduce to low power 2. Stop transmitting 3. Reduce audio volume level 4. Make a notation in the station operating log

Answer 129

**Stop transmitting**

Question 130

**What is the authorized frequency for an on-board ship repeater for use with a mobile transmitter operating at 467.750 MHz?** 1. 457.525 MHz 2. 467.775 MHz 3. 467.800 MHz 4. 467.825 MHz

Answer 130

**457.525 MHz**

Question 131

**Survival craft EPIRBs are tested:** 1. With a manually-activated test switch 2. With a dummy load having the equivalent impedance of the antenna affixed to the EPIRB 3. With radiation reduced to a level not to exceed 25 microvolts per meter 4. All of these

Answer 131

**All of these**

Question 132

**What safety signal call word is spoken three times, followed by the station call letters spoken three times, to announce a storm warning, danger to navigation, or special aid to navigation?** 1. PAN 2. MAYDAY 3. SECURITY 4. SAFETY

Answer 132

**SECURITY**

Question 133

**When should both the call sign and the name of the ship be mentioned during radiotelephone transmissions?** 1. At all times 2. During an emergency 3. When transmitting on 2182 kHz 4. Within 100 miles of any shore

Answer 133

**During an emergency**

Question 134

**How often is the auto alarm tested?** 1. During the 5-minute silent period 2. Monthly on 121.5 MHz, using a dummy load 3. Weekly on frequencies other than the 2182 kHz distress frequency, using a dummy antenna 4. Each day on 2182 kHz, using a dummy antenna

Answer 134

**Weekly on frequencies other than the 2182 kHz distress frequency, using a dummy antenna**

Question 135

**One nautical miles is approximately equal to how many statute miles?** 1. 1.61 statute miles 2. 1.83 statute miles 3. 1.15 statute miles 4. 1.47 statute miles

Answer 135

**1.15 statute miles**

Question 136

**A reserve power source must be able to power all radio equipment, plus an emergency light system, for how long?** 1. 24 hours 2. 12 hours 3. 8 hours 4. 6 hours

Answer 136

**6 hours**

Question 137

**Frequencies used for portable communications on board ship:** 1. 9300-9500 MHz 2. 1636.5-1644 MHz 3. 2900-3100 MHz 4. 457.525-467.825 MHz

Answer 137

**457.525-467.825 MHz**

Question 138

**In the FCC rules, the frequency band from 30 to 300 MHz is also known as:** 1. Very-High Frequency (VHF) 2. Ultra-High Frequency (UHF) 3. Medium Frequency (MF) 4. High Frequency (HF)

Answer 138

**Very-High Frequency (VHF)**

Question 139

**What channel must VHF-MF-equipped vessels monitor at all times the station is operated?** 1. Channel 8; 156.4 MHz 2. Channel 16; 156.8 MHz 3. Channel 5A; 156.25 MHz 4. Channel 1A; 156.07 MHz

Answer 139

**Channel 16; 156.8 MHz**

Question 140

**When testing is conducted within the 2170-2194-kHz and 156.75-156.85-MHz bands, transmissions should not continue for more than ___ in any 15-minute period** 1. 30 seconds 2. 1 minute 3. 5 minutes 4. No limitation

Answer 140

**30 seconds**

Question 141

**What emergency radio testing is required for cargo ships?** 1. Tests must be conducted weekly while ship is at sea 2. Full-power carrier tests into dummy load 3. Specific-gravity check in lead-acid batteries, or voltage under load for dry-cell batteries 4. All of these

Answer 141

**All of these**

Question 142

**The master or owner of a vessel must apply how many days in advance for an FCC ship inspection?** 1. 60 days 2. 30 days 3. 3 days 4. 24 hours

Answer 142

**3 days**

Question 143

**Marine transmitters should be modulated between:** 1. 75%-100% 2. 70%-105% 3. 85%-100% 4. 75%-120%

Answer 143

**75%-100%**

Question 144

**What is a good practice when speaking into a microphone in a noisy location?** 1. Overmodulation 2. Change phase in audio circuits 3. Increase monitor audio gain 4. Shield microphone with hands

Answer 144

**Shield microphone with hands**

Question 145

**When pausing briefly for station copying message to acknowledge, say:** 1. BREAK 2. OVER 3. WILCO 4. STOP

Answer 145

**BREAK**

Question 146

**Overmodulation is often caused by:** 1. Turning down audio gain control 2. Station frequency drift 3. Weather conditions 4. Shouting into microphone

Answer 146

**Shouting into microphone**

Question 147

**To indicate a response is expected, say:** 1. WILCO 2. ROGER 3. OVER 4. BREAK

Answer 147

**OVER**

Question 148

**When all of a transmission has been received, say:** 1. ATTENTION 2. ROGER 3. RECEIVED 4. WILCO

Answer 148

**ROGER**

Question 149

**What information must be included in a DISTRESS message?** 1. Name of vessel 2. Location 3. Type of distress and specifics of help requested 4. All of these

Answer 149

**All of these**

Question 150

**The maritime MF radiotelephone silence periods begin at ___ and ___ minutes past the UTC hour** 1. :15, :45 2. :00, :30 3. :20, :40 4. :05, :35

Answer 150

**:00, :30**

Question 151

**A marine public coast station operator may not charge a fee for what type of communication?** 1. Port Authority transmissions 2. Storm updates 3. Distress 4. All of these

Answer 151

**Distress**

Question 152

**Which of the following represent the first three letters of the phonetic alphabet?** 1. Alpha, Bravo, Charlie 2. Adam, Baker, Charlie 3. Alpha, Baker, Crystal 4. Adam, Brown, Chuck

Answer 152

**Alpha, Bravo, Charlie**

Question 153

**Two-way communications with both stations operating on the same frequency is:** 1. Radiotelephone 2. Duplex 3. Simplex 4. Multiplex

Answer 153

**Simplex**

Question 154

**When a ship is sold:** 1. New owner must apply for a new license 2. FCC inspection of equipment is required 3. Old license is valid until it expires 4. Continue to operate; license automatically transfers with ownership

Answer 154

**New owner must apply for a new license**

Question 155

**What is the second in order of priority?** 1. URGENT 2. DISTRESS 3. SAFETY 4. MAYDAY

Answer 155

**URGENT**

Question 156

**Portable ship units, hand-helds or walkie-talkies used as an associated ship until:** 1. Must operate with 1 watt and be able to transmit on Channel 16 2. May communicate only with the mother ship and other portable units and small boats belonging to mother ship 3. Must not transmit from shore or to other vessels 4. All of these

Answer 156

**Must not transmit from shore or to other vessels**

Question 157

**The HF (High-Frequency) band is:** 1. 3 - 30 MHz 2. 3 - 30 GHz 3. 30 - 300 MHz 4. 300 - 3000 MHz

Answer 157

**3 - 30MHz**

Question 158

**Omega operates in what frequency band?** 1. Below 3 kHz 2. 3 - 30 kHz 3. 30 - 300 kHz 4. 300 - 3000 kHz

Answer 158

**3 - 30 kHz**

Question 159

**Shipboard transmitters using F3E emission (FM voice) may not exceed what carrier power?** 1. 500 watts 2. 250 watts 3. 100 watts 4. 25 watts

Answer 159

**100 watts**

Question 160

**Loran C operates in what frequency band?** 1. VHF; 30 - 300 MHz 2. HF; 3 - 30 MHz 3. MF; 300 - 3000 kHz 4. LF; 30 - 300 kHz

Answer 160

**LF; 30 - 300 kHz**

Question 161

**What has most priority:** 1. URGENT 2. DISTRESS 3. SAFETY 4. SECURITY

Answer 161

**DISTRESS**

Question 162

**When and how may Class A and B EPIRBs be tested?** 1. Within the first 5 minutes of the hour; test not to exceed 3 audible sweeps or one seconds, whichever is longer 2. Within first 3 minutes of hour; tests not to exceed 30 seconds 3. Within first 1 minute of hour; test not to exceed 1 minute 4. At any time ship is at sea

Answer 162

**Within the first 5 minutes of the hour; test not to exceed 3 audible sweeps or one seconds, whichever is longer**

Question 163

**When is the Silent Period on 2182 kHz, when only emergency communications may occur?** 1. One minute at the beginning of every hour and half hour 2. At all times 3. No designated period; silence is maintained only when a distress call is received 4. Three minutes at the beginning of every hour and half hour

Answer 163

**Three minutes at the beginning of every hour and half hour**

Question 164

**What is the frequency range of UHF?** 1. 0.3 to 3 GHz 2. 0.3 to 3 MHz 3. 3 to 30 kHz 4. 30 to 300 MHz

Answer 164

**0.3 to 3 GHz**

Question 165

**A room temperature of +30.0 degrees Celsius is equivalent to how many degrees Fahrenheit?** 1. 104 2. 83 3. 95 4. 86

Answer 165

**86**

Question 166

**Atmospheric noise or static is not a great problem:** 1. at frequencies below 20 MHz 2. At frequencies below 5 MHz 3. At frequencies above 1 MHz 4. At frequencies above 30 MHz

Answer 166

**At frequencies above 30 MHz**

Question 167

**Frequencies which have substantially straight-line propagation characteristics similar to that of light waves are:** 1. Frequencies below 500 kHz 2. Frequencies between 500 kHz and 1000 kHz 3. Frequencies between 1000 kHz and 3000 kHz 4. Frequencies above 50,000 kHz

Answer 167

**Frequencies above 50,000 kHz**

Question 168

**In the International Phonetic Alphabet, the letters E, M and S are represented by the words:** 1. Echo, Michigan, Sonar 2. Equator, Mike, Sonar 3. Echo, Mike, Sierra 4. Element, Mister, Scooter

Answer 168

**Echo, Mike, Sierra**

Question 169

**What is the international radiotelephone distress call?** 1. "SOS, SOS, SOS; THIS IS" followed by the call sign of the station (repeated 3 times) 2. "MAYDAY, MAYDAY, MAYDAY; THIS IS" followed by the call sign (or name, if no call sign assigned) of the mobile station in distress, spoken three times 3. For radiotelephone use, any words or message which will attract attention may be used 4. The alternating two-tone signal produced by the radiotelephone alarm signal generator

Answer 169

**"MAYDAY, MAYDAY, MAYDAY; THIS IS" followed by the call sign (or name, if no call sign assigned) of the mobile station in distress, spoken three times**