Sec. 80.314  Distress signals.

    (a) The international radiotelegraphy distress signal consists of 
the group ``three dots, three dashes, three dots'' (... ---...), 
symbolized herein by SOS, transmitted as a single signal in which the 
dashes are slightly prolonged so as to be distinguished clearly from the 
dots.
    (b) The international radiotelephone distress signal consists of the 
word MAYDAY, pronounced as the French expression ``m'aider''.
    (c) These distress signals indicate that a mobile station is 
threatened by grave and imminent danger and requests immediate 
assistance.