inlet buzz

inlet buzz

An audible sound that sometimes occurs in inlets of supersonic aircraft when a shock wave moves in and out alternately. This condition appears when design parameters are exceeded.
References in periodicals archive ?
Mach biasing of the engine schedules based on aircraft speed inputs for the aircraft central air data computer -- automatically prevents inlet buzz during deceleration from supersonic speeds.
Automatic inlet buzz protection is disabled because the MEC is not capable of Mach biasing of the main engine fuel schedules.