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Why We Say ‘MAYDAY’

For pilots, uttering the phrase "MAYDAY" means they're in trouble—but have you ever wondered why?

MAYDAY and PAN-PAN—also used when we’re in trouble—are both derived from French phrases. [Credit: iStock]
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Key Takeaways:

  • The aviation distress call "MAYDAY" and urgency call "PAN-PAN" are both derived from French phrases, meaning "come help me" and "breakdown," respectively.
  • "MAYDAY" signifies a "distress" condition, indicating immediate danger requiring urgent assistance, while "PAN-PAN" denotes an "urgency" condition, meaning concern for safety needing timely but not immediate help.
  • Pilots should repeat "MAYDAY" or "PAN-PAN" three times depending on the severity of the emergency, as defined by the FAA.
  • Beyond these calls, French has significantly influenced aviation terminology, with terms like "aileron," "fuselage," and "empennage" also having French origins.
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May 1st, also known as May Day, has several connotations. In some cultures it is celebrated as the traditional beginning of spring marked by placing baskets of flowers on doorsteps. 

For pilots, uttering the phrase “MAYDAY” means they’re in trouble—but have you ever wondered why?

Meg Godlewski

Meg Godlewski has been an aviation journalist for more than 24 years and a CFI for more than 20 years. If she is not flying or teaching aviation, she is writing about it. Meg is a founding member of the Pilot Proficiency Center at EAA AirVenture and excels at the application of simulation technology to flatten the learning curve. Follow Meg on Twitter @2Lewski.

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