Mayday, an American television film; Mayday (2021 film), an American film; Mayday (Canadian TV series), a 2003 Canadian documentary series about aviation disasters; Mayday (UK TV series), a 2013 BBC television drama thriller; Games. Mayday, a 1978 board wargame; Mayday! Deep Space, science fiction video game; Literature

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 …