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