VHF Radio

General Communication

Use task communication procedure for: going through a channel and will require the entire space; conducting man overboard drills; have engines off with a diver in the water (and dive flag up), flare demonstration.

Use alert others of non-threatening condition communication procedure to inform others of floating debris, down markers, damaged markers, buoy off station.

Securite is pronounced as se-CURE_ih_tay.

Pan-Pan – non-lethal, medical advice

Seelonce Mayday – do not transmit anymore, there is a problem.

Seelonce fine – when mayday is done on channel.

Rescue 21 is land based stations listening for VHF transmissions , DSC savy; 20 mile range; Ability to replay back; Direction finding ability; Lat and long; MMSI.

While underway, required to monitor channel 16.

VHF Channel 6 is internship safety.

VHF Channel 13 is bridge to bridge (two commercial vessels)   (automatically reduces to 1 watt).

VHF Channel 14 is VTS  vessel traffic service.

VHF Channel 16 is safety, hailing and distress.

VHF Channel 22a is Coast Guard channel.

VHF Channel 21a, 23a is Coast Guard.

VHF Channel 9  is alternative hailing.

VHF Channel 68, 69, 71, 72, 78A is chat between vessels.

VHF Channel 1 to 9 is weather.

​

Typical responses

Affirmative

Negative