A single mechanical failure or mistake isn’t what usually results in a “Mayday!” call on marine VHF radio. Compound failures or mistakes typically cause potentially disastrous situations for even ...

To make sure their distress signal is understood and not confused with other transmissions, pilots say "Mayday" three times. This practice dates back to the early days of radio, when single calls ...

A United Airlines pilot issued a mayday distress call after the Boeing 787 he was flying experienced engine failure shortly after taking off from Washington’s Dulles airport for Munich on July 25, ...