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In article , chuck
wrote: It is used to signal urgent information, such as when someone has fallen overboard, or a boat is drifting into the shore or a busy shipping channel. An individual boat can definitely declare it. In other words, it is not reserved only for USCG use. MAYDAY is only to be used when a person, or boat is threatened by grave or imminent danger, and requires assistance. In the end, of course, it is the skipper's judgment whether a situation is "grave" or "danger" is "imminent". My understanding is that PAN conveys information whereas MAYDAY requests assistance. Crew overboard could fall into either category. Chuck Nice explanation Chuck. I would add just a few thoughts to the above. First: Radio Prodceedures are covered extensivly in 48CFR80 starting at 80.311. Only the Master, of a US Flagged vessel, or the person responcible for the vessels Radio Station, (Radio Officer) may authorize the transmission of a Distress Signal, or Urgency signal. (Mayday, Pan Pan) Second: Urgency Siganls differ from Distress Signals in that Urgency Siganls are messages that carry Distress Information that are about another Station, and NOT the Transmitting Station. That is why USCG use the "Pan Pan" Urgency Signal preceeding any message that concerns a "Reported ship in Distress", and it means that the information passed is in regard to a MayDay Call received and reported. This is opposed to a MayDay Relay Signal which is sent by a vessel that is relaying an initial Mayday Signal for a Distressed Vessel, that may not have been received and a Acknowledged by the appropriate Agency. (USCG for US Waters) Third: The Silence Signal (Seelonce Mayday) is used by the sender of the Distress Signal, to initiate a Quiet Frequency for the purpose of passing Distress Traffic. It may apply to individual Stations, OR All Stations. The Distressed Station MAY deligate control of the Frequency to another Station at its discression. It is resinded by sending the Silence End Signal. (Seelonce Feeenee, or Pru-donce) Fourth: Order of Priority is: 1. Mayday (Distress Signal) 2. Pan Pan (Urgency Signal) 3. Sellonce Mayday (Silence Signal) 4. Securite (Security Signal) 5. all other traffic Bruce in alaska wondering if this is going to start another jackieboy rant....... -- add a 2 before @ |
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