Flight guidance system for aircraft in windshear

Details Flight guidance system for aircraft in windshear Flight guidance system for aircraft in windshear

1986-02-28

1989-01-10

Orsino, Joseph A.

Communications: electrical

Aircraft alarm or indicating systems

Flight alarm

73178T, 244181, 244182, 340967, 340974, 364434, G08B 2300

Patent

active

047976748

ABSTRACT:
Method and apparatus for commanding an optimal flight path for an aircraft encountering a windshear condition. An airspeed rate signal equal in magnitude and opposite in sense to the windshear is applied to derive a variable rate of change of airspeed command for application to a flight director indicator. Limits are placed on the derived command such that the minimum allowable speed command is stick shaker speed and the maximum allowable speed command is the nominal speed in the absence of the windshear. The resultant command signal represents a true airspeed rate that yields an optimal flight path for the aircraft to exit the windshear condition.

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"The Missing Element", SAE Technical Paper Series, #830715 Sam Saint, Apr. 1983.
"Wind Shear Development", Aviation Week, Mar. 2, 1981, Kenneth Stein.

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