Back ماي داي Arabic Mayday (сігнал бедства) Byelorussian Mayday Catalan Mayday Czech Mayday Danish Mayday (Notruf) German Mayday Spanish Mayday Estonian Mayday Basque میدی Persian
Mayday is an emergency procedure word used internationally as a distress signal in voice-procedure radio communications.
It is used to signal a life-threatening emergency primarily by aviators and mariners, but in some countries local organizations such as firefighters, police forces, and transportation organizations also use the term. Convention requires the word be repeated three times in a row during the initial emergency declaration ("Mayday mayday mayday").