Mayday question

[E82T31B27]

What would be verbally issued for a radio mayday for a backdraft or flashover sound like if such scenarios occurred?

 

[GFD70]

Mayday vs. Urgent Radio Guidelines

Mike Terpak explains why these two types of transmissions must have a clear definition and association and a clear and easily recognizable set of parameters.

www.firehouse.com

Excellent summary by Chief Terpak from Jersey City. Not sure if the FDNY has their own policies.

If a member is caught in either of those conditions, it should be transmitted as a mayday. If they are simply broadcasting those conditions, it should be an urgent transmission.