critical altitude


Also found in: Encyclopedia, Wikipedia.

critical altitude

The altitude beyond which an aircraft or airbreathing guided missile ceases to perform satisfactorily. See also altitude.
References in periodicals archive ?
Starting the first day of strike training in the training command, we were taught to come off the pickle as soon as you know you can't get the bombs off before this critical altitude.
The weaker field can trigger breakdown only above a critical altitude.
This includes critical altitude information for compliance to new mandatory reduced vertical separation standards (RVSM, Reduced Vertical Separation Minimum), airspeed and altitude as well as engine and fuel data measurements.