what does Mayday stand for when a pilot is in trouble?
Mayday derives from the French venez m'aider, meaning 'come help me'.
The word mayday stands for "come help me". It is often used as an agony signal through a radio communication to alert the other pilots of an emergency. Visit http://en.wikipedia.org/wiki/Mayday for more details.
it means help in french m'daise it may be spell wrong means help me,during world war one pilots ,american pilots mispronounced it to may day
Trouble, emergency, danger, something is not going right, malfunctioning equipment, etc.