Excessive pitch attitude warning system for rotary wing aircraft

Details Excessive pitch attitude warning system for rotary wing aircraft Excessive pitch attitude warning system for rotary wing aircraft

1983-06-10

1988-09-06

Caldwell, Sr., John W.

Communications: electrical

Aircraft alarm or indicating systems

Nonairplane

340963, 340970, 340967, 73178H, 73178T, 364433, 244 1711, G08B 2100

Patent

active

047696451

ABSTRACT:
A system for warning the pilot of a rotary wing aircraft such as a helicopter of a flight condition that, if left uncorrected, would result in the tail of the aircraft striking the ground monitors the altitude above ground, descent rate, pitch and pitch rate of the aircraft and provides a warning if the relationship between the aforementioned parameters is such that a tail strike is imminent.

REFERENCES:
patent: 4027838 (1977-06-01), Barnum
patent: 4060793 (1977-11-01), Bateman
patent: 4528564 (1985-07-01), Trampnau
patent: 4551723 (1985-11-01), Patterson

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