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:

1975-12-02

Pagination or Media Count:

8.0

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