Deck Section 5 Flashcards
What channel should you first use to send a distress call
156.8MHz (channel 16) International Distress and Calling frequency
Working Frequencies for the USCG
2670 kHz
Coast Guard and non Coast Guard working frequency
157.1 Channel 22A
Channel used to relieve congestion on channel 16
158.45 MHz Channel 9
Channel used for bridge to bridge navigation
159.65 Channel 13
Civilian Aircraft Emergency Frequency
160.5 MHz
Military Aircraft common emergency frequency
243.0 MHz
CMDSS MF/HF International Voice Distress frequencies
4125 kHz, 6215 kHz, 8291 kHz, 12290 kHz, and 16420kHz
Procedure for VHF Channel 16 MAYDAY
- Distress signal “MAYDAY,” spoken three times.
- The words “THIS IS THE (name of vessel spoken three times and call sign, if assigned)
- Give position of vessel by latitude or longitude or by bearing (true or magnetic, state which) and distance to a well-know landmark such as a navigational aid or small island, or in any terms which will assist a responding station in locating the vessel in distress.
- Include any information on vessel movement such as course, speed and destination.
- Nature of distress (sinking, fire etc.).
- Kind of assistance desired. Number of persons onboard.
- Any other information which might facilitate rescue, such as length or tonnage of vessel, number of people needing medical attention, color hull, cabin, masks, etc.
PROWORDS
Procedure words for radio such as:
- This is..
- Over ..
- Put
- Do you read?
- Roger
- WilcoSay Again
- All after
- Wait Over
- Pan-Plan
- Mayday
- secutrite
Forbidden Practices on Radio
- Violation of radio silence
- Unofficial conversation between operators
- Transmitting on a directed net without permission
- Excessive tuning or testing more than 10 seconds
- Failure to listen first before transmitting
- Transmitting the operator’s personal name or sign
- Unauthorized use of plain language
- Use of other than authorized PROWORDS
- Profane, indecent or obscene language
Forbidden Practices on Radio
- Violation of radio silence
- Unofficial conversation between operators
- Transmitting on a directed net without permission
- Excessive tuning or testing more than 10 seconds
- Failure to listen first before transmitting
- Transmitting the operator’s personal name or sign
- Unauthorized use of plain language
- Use of other than authorized PROWORDS
- Profane, indecent or obscene language
Each Crew Member should be able to make a distress call, to help them fill out the ____ and place it near your radio.
distress communications form from the vessel safety manual
Mayday procedure
- Make sure the radio is on
- Pick the best channel VHS 16 pr single sideband 2182. these are internationally recognized distress channels otherwise use whatever channel provides the best chance of being heard
- Say Mayday three times
- Say your vessel name three times
- give your call sign
- describe your position using lat, long; loran lines; or range and bearing from a know landmark. I you have time, give the coast guard all three
- State the nature of your distress
- give the number of crew and describe injuries
- estimate the seaworthiness of your boat, can you control the injury or will you abandon ship
- Describe your boat in a way that would help someone find you
- end your call by saying that you will stand by on whatever channel, give your boat name and call signal
- Be ready to answer any additional questions
Do not hoist hand signal for helicopter
arms extended outwards and thumbs down, with fists clenched