The aviation equivalent of Seelonce Mayday is the phrase or command " Stop Transmitting-Distress ( or Mayday ) " . " Distress traffic ended " is the phrase used when the emergency is over.
2.
Coastal and shipboard stations working under the conditions specified in Article XXXV, par . 2, shall suspend work at the end of each period of 15 minutes and listen in with a wave length of 600 meters during a period of three minutes before resuming the transmission . " During distress working all non-distress traffic was banned from 500 kHz and adjacent coast stations then monitored 512 kHz as an additional calling frequency for ordinary traffic.