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Exam Training Flashcards

1
Q

To what does MMSI refer?

A

Maritime mobile service identity 9-digit number used by communications agency

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2
Q

To what does GMDSS refer?

A

Global marine distress safety system

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3
Q

When making a DSC call is position important?

A

Helpful, but not required - on a distress call yes.

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4
Q

When making a DSC call, is time required? When?

A

Helpful, but not required - on distress call yes

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5
Q

What is the maximum power output for a VHF radio?

A

25 watts

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6
Q

What frequency is used by EPIRB?

A

406 MHz

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7
Q

With a vessel antenna height of 10 meters at 25 watts and a shore station antenna height of 100 meters, what is the likely radio horizon?

A

30-40 miles

  • 7 miles for vessel antenna
  • 22.5 miles for shore antenna
  • Total 30 nm
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8
Q

Two vessels transmitting at the same time. One at 25 watts (A) and one at 1 watt (B). Which vessel signal would be received by a third vessel (C) equidistant from the other two vessels? A or B?

A

Vessel A would be received.

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9
Q

What is the maximum permitted time for radio check?

A

10 seconds

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10
Q

Can a vessel check radio on CH70 or CH16?

A

No

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11
Q

What is a single frequency channel?

A

Simplex - receives and transmits on the same frequency.

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12
Q

What is a duplex channel?

A

Receives on one frequency and transmits on another.

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13
Q

Channel 70 is used for speech communications - True or False?

A

False, NO SPEECH, digital ONLY

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14
Q

What is the maximum duration of a call on CH16?

A

One minute.

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15
Q

When using Ch16 for distress, urgency, safety, what power should be used?

A

25 watts

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16
Q

When PTT is pressed, is the radio a receiver or transmitter?

A
  • Transmitter

- PTT: Push to transmit.

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17
Q

What is the frequency of NAVTEX?

A

518 kHz

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18
Q

Under whose control may members of the crew use the VHF onboard a vessel?

A

The person with the authority to operate.

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19
Q

What is dual watch on the radio?

What is Tri watch?

A

Dual watch: Allows monitoring of CH16 and one other channel at the same time.
Tri watch: Allows monitor of CH16 and two other channels at the same time.

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20
Q

What is the function of squelch control?

A

Reduces background interference.

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21
Q

What does “OVER” signify?

A

A reply is expected.

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22
Q

What does “OUT” signify?

A

No reply expected.

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23
Q

Is it permissible to say “OVER and OUT” at the end of a message?

A

NO!

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24
Q

If you want all or part of a message repeated, what words would you use?

A

Say again.

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25
Q

Is it permissible to make transmissions without identifications?

A

No

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26
Q

Is it permissible to call a ship by her name rather than the call sign or MMSI number in voice transmission?

27
Q

Is it permissible to use a VHF to call a person at a private address on shore without going through a coast station?

28
Q

Is it permissible to use a person’s name rather than the vessel’s name or callsign?

29
Q

If you hear a call that you are unsure about whether it is for you, what do you do?

A

Nothing; wait for the call to be repeated.

30
Q

If a call goes unanswered, how long do you have to wait, before trying again?

A

Two minutes.

31
Q

When calling a Coast Station, who controls the call?

A

The Coast Station.

32
Q

What are the four exclusive inter-ship channels?

A

6, 8, 72, 77

33
Q

What is the primary inter-ship channel that must be on all VHF radios?

34
Q

In confined waters, what channel would you use to discuss collision avoidance

35
Q

Is it permitted to call another ship directly on an inter-ship channel?

36
Q

What does the “manual” option on the DSC controller allow you to do?

A

It allows the input of the MMSI number into the controller.

37
Q

What does the “directory” option on your DSC controller allow you to do?

A

It allows you to store a MMSI number into the directory.

38
Q

What is a “traffic List”?

A

A list of vessels with messages being held.

39
Q

How often are routine weather forecasts updated?

A

Every four hours.

40
Q

What channels do Coast guard use for initial announcement of navigational warnings and weather forecasts?

A

Ch70 and Ch16

41
Q

Can you make a public correspondence call (telephone call) through a PORT Operations Channel?

42
Q

When calling a harbor authority, do you make the initial call on CH16 or their working channel?

A

On the Working Channel

43
Q

Where can you find details of the working channels of individual ports or Harbors?

A

Sometimes on the area Chart, Cost Pilot, List of radio signals.

44
Q

During Distress working, when the controlling station wishes to indicate that restricted radio working may commence on CH16, what pro-words are used?

45
Q

During distress working, at the end, when the controlling station wishes to indicate the Mayday is over, what pro-words are used?

A

SEELONCE FEENEE

46
Q

Under what circumstances would you transmit a distress alert?

A

When a vessel, aircraft, or person is in grave and imminent danger and requires immediate assistance.

47
Q

How many consecutive distress alerts are transmitted by the DSC controller at one time?

48
Q

Is it possible to cancel the distress alert during the 5 second countdown?

49
Q

When transmitting an Undesignated Distress Alert, what three pieces of information are included in the alert?

A

MMSI, Position and time position was valid

50
Q

When passing someone else’s distress, what call is used to signify that it is not your vessel that is in trouble?

A

Mayday Relay

51
Q

During Distress working, when the controlling Stations wishes to impose radio silence on vessels using CH16 for non-Distress traffic, what pro-words are used?

A

Seelonce Mayday

52
Q

Your motor vessel’s name is “Broken Wind”, callsign MASC9, MMSI 246895311. You are on fire and the fire is out of control. You and your three other crew are about to abandon to the liferaft. You are about to set off your 121.5 MHz EPIRB. It is 1120 hours UTC and you have not updated your position in your DSC controller for 10 hours. From your present position you are 5 miles off Cape Henry lighthouse bearing 210° T. Write down the actions you will take to send the call and write down the wording of the message.
Indicate:
- The type of call you will send
- the channel(s) on which you will send the call and the message.
- the mode (DSC or voice) of each part.
- the details contained in each part.

A

Type of call:
- Distress

Channel(s) on which you will send the call and the message:
- Alert -CH70, Message CH16

Mode (DSC or voice) of each part:
- CH70 - DSC, CH16 - voice

Details in distress alert:

  • 246895311
  • Position as of 0120 hours UTC
  • Designated distress - fire

Details of distress message:

  • MAYDAY, MAYDAY, MAYDAY
  • This is M/V Broken Wind, Broken Wind, Broken Wind
  • 246895311, M/V Broken Wind
  • 30° Cape Henry Lighthouse, 5 Miles
  • On Fire, fire is out of control,
  • require immediate assistance
  • 4 persons on board
  • abandoning to liferaft. EPIRB activated 121,5 MHz
  • Callsign MASC9
  • Over
53
Q

Yacht Name “SEADUCED”, callsign MSTI8, MMSI number 246875140, at 1800 the vessel is sinking rapid. You and the four-person crew are about to abandon to the liferaft and you set off the 406 MHz EPIRB. Your position is 20° 43.131’ N, 130° 5.021’ E. Write the actions you will take to send the call and write down the wording of the message.
Indicate:
- The type of call you will send
- the channel(s) on which you will send the call and the message.
- the mode (DSC or voice) of each part.
- the details contained in each part.

A

Type of call:
- Distress

Channel(s) on which you will send the call and the message:
- Alert -CH70, Message CH16

Mode (DSC or voice) of each part:
- CH70 - DSC, CH16 - voice

Details in distress alert:

  • 246875140,
  • 20° 43.131’ N, 130° 5.021’ E 1800 hours UTC
  • Designated distress - sinking

Details of distress message:

  • MAYDAY, MAYDAY, MAYDAY
  • This is yacht seaduced, seaduced, seaduced
  • Mayday
  • 246875140, yacht seaduced
  • 20° 43.131’ N, 130° 5.021’ E
  • Sinking rapidly,
  • require immediate assistance
  • 5 persons on board
  • abandoning to liferaft. EPIRB activated on 406 MHz
  • Callsign MSTI8
  • Over
54
Q

Yacht Name “TAKEN”, a sailing vessel, callsign NUGD4, MMSI number 254637289. Your sails have been blown out, your engine will not start and you are being blown onto a lee shore. You have one other crew and two children on board. You are about to set off the 121.5 MHz EPIRB and have 6 red hand flares available. You have no position in your DSC controller. You are two miles West of Buzzard’s Bay Light. Write down the actions you will take to send the call and write down the wording of the message.
Indicate:
- The type of call you will send
- the channel(s) on which you will send the call and the message.
- the mode (DSC or voice) of each part.
- the details contained in each part.

A

Type of call:
- Distress

Channel(s) on which you will send the call and the message:
- Alert -CH70, Message CH16

Mode (DSC or voice) of each part:
- CH70 - DSC, CH16 - voice

Details in distress alert:

  • 254637289,
  • No position sent
  • Designated distress - disabled

Details of distress message:

  • MAYDAY, MAYDAY, MAYDAY
  • This is yacht Taken, Taken, Taken
  • 254637289, yacht “Taken”
  • 270° W Buzzards Bay Light, 2 miles
  • Sails blown out, engine won’t start, being blown onto lee shore
  • require immediate assistance
  • 4 persons on board
  • abandoning to liferaft. EPIRB activated on 121.5 MHz
  • Callsign NUGD4
  • Over
55
Q

What does Urgency call indicate

A

Urgent message regarding safety of a vessel, vehicle, aircraft, person. There is no imminent danger and immediate assistance is not justified.

56
Q

What word is used to signify an Urgency call?

A

PAN-PAN (repeated three times)

57
Q

If requesting medical advice what DSC call would be used?

58
Q

What signal words indicate that a Navigational warning follows?

A

Securite, Securite, Securite

59
Q

If you are in range of a Coast Guard station and you sight a floating mine, would you transmit an All Ships Safety Call by DSC, or call the Coastguard by DSC?

A

Call by DSC to coastguard.

60
Q

If you are in range of a Coast Guard station and you sight a partially submerged shipping container, would you transmit an All Ships Safety Call by DSC or call the Coastguard by DSC?

A

Call by DSC to coastguard.

61
Q

Your vessel “Fun Time” is a 58 Ft Motor yacht and the MMSI number is 543219876. The position has not been updated in the DSC Controller. There are three crew on board. Your engine is broken down and inoperable and the vessel requires a tow. You are located 8 miles from Cape May Lighthouse bearing 308° T. Write down the actions you will take to send the call and write down the wording of the message.
Indicate:
- The type of call you will send
- the channel(s) on which you will send the call and the message.
- the mode (DSC or voice) of each part.
- the details contained in each part.

A

Type of call:
- Urgency

Channel(s) on which you will send the call and the message:
- Alert -CH70, Message CH16

Mode (DSC or voice) of each part:
- CH70 - DSC, CH16 - voice

Details in urgency alert:

  • 543219876
  • Urgency

Details of urgency message:

  • PAN-PAN, PAN-PAN, PAN-PAN
  • All stations, all stations, all stations
  • This is 543219876, M/V Fun Time, Fun Time, Fun Time
  • My position is 308° T, Cape May Lighthouse, 8 miles
  • Engine failure
  • require a tow
  • 4 persons on board
  • Over
62
Q

Your sailing vessel “Seaduced” is 39 Ft with a blue hull and a teak deck. The MMSI number is 672389541 and callsign MSDW8. There are three crew on board. Your rudder has broken and the vessel requires a tow. The GPS indicates the position as 26° 7.023 N, 82° 16.398W . Write down the actions you will take to send the call and write down the wording of the message.
Indicate:
- The type of call you will send
- the channel(s) on which you will send the call and the message.
- the mode (DSC or voice) of each part.
- the details contained in each part.

A

Type of call:
- Urgency

Channel(s) on which you will send the call and the message:
- Alert -CH70, Message CH16

Mode (DSC or voice) of each part:
- CH70 - DSC, CH16 - voice

Details in urgency message:

  • 672389541
  • Urgency

Details of urgency message:

  • PAN-PAN, PAN-PAN, PAN-PAN
  • All stations, all stations, all stations
  • This is 672389541, S/V Seaduced, Seaduced, Seaduced
  • My position is 26° 7.023 N, 82° 16.398W
  • The rudder has broken off
  • require a tow
  • 4 persons on board
  • The vessel is a 39ft sailing vessel with blue hull and teak deck
  • Callsign MSWD8
  • Over
63
Q

A crew member is suffering extreme abdominal pain and medical advice is required. Your vessel is a 46 ft ketch rigged yacht with a white hull and blue deck. The vessel name is “Wind Dancer” with MMSI number 546372819 and callsign MACW3. There are three crew on board. Your rudder has broken and the vessel requires a tow. The GPS indicates the position as 24° 37.643 N, 80° 43.720 W . Write down the actions you will take to send the call and write down the wording of the message.
Indicate:
- The type of call you will send
- the channel(s) on which you will send the call and the message.
- the mode (DSC or voice) of each part.
- the details contained in each part.

A

Type of call:
- Urgency

Channel(s) on which you will send the call and the message:
- Alert -CH70, Message CH16

Mode (DSC or voice) of each part:
- CH70 - DSC, CH16 - voice

Details in urgency message:

  • 546372819
  • Urgency

Details of urgency message:

  • PAN-PAN, PAN-PAN, PAN-PAN
  • All stations, all stations, all stations
  • This is 546372819, yacht Wind Dancer, Wind Dancer, Wind Dancer
  • My position is 24° 37.643 N, 80° 43.720 W
  • require urgent medical advice,
  • Callsign MACW3
  • Over

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