Format of NBDP distress call and message
MAYDAY
DE
CALL Sign
MAYDAY
Name/ Call Sign
Position
Nature of distress
Type of distress/ assistance required
Additional information that may facilitate rescue.
MASTER
NAME/ Call sign
Time (UTC)
NNNN
What is Mayday ( distress) Relays:
Stations not themselves in distress which learn that a ship, aircraft or other vehicle is in distress may transmit a distress relay message but only in the following circumstances.
- When the station in distress in not itself in position to transmit the distress message.
- When the master or other person responsible for the station not in distress consider the further help is required/ necessary.
- When, although not in position to render assistance, the station has received a distress message which is believed not to have been acknowledge.
Such message/ distress relay would normally be sent on 2182 kHz or channel 16 or any other R/T distress frequency.
Man Overboard is a distress situation. Even the RT message will be Distress message . Information given that RT message will be Urgency is absolutely wrong. Students following this in GOC examination will fail. Request you to correct this. You may consult ITU manual for maritime mobile & maritime mobile satellite services.
Thanking you