Accession Number : ADD002802
Title : Aural Warning Apparatus.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Melancon,Lionel P
Report Date : 02 Dec 1975
Pagination or Media Count : 8
Abstract : The patent relates to an aircraft aural warning device that provides a 'beeping' tone when a first selected angle-of-attack is exceeded by the aircraft. When a second selected angle-of-attack is exceeded, the 'beeping' tone changes to a higher pitch and frequency.
Descriptors : *Angle of attack indicators, *Warning systems, *Auditory signals, *Patents, Aircraft, Flight instruments, Attitude indicators, Sound pitch, Response
Subject Categories : Flight Control and Instrumentation
Distribution Statement : APPROVED FOR PUBLIC RELEASE