System for preparing aircraft driftdown plans

Details System for preparing aircraft driftdown plans System for preparing aircraft driftdown plans

1983-03-10

1985-08-27

Chin, Gary

Boots, shoes, and leggings

343 5LS, 340963, 73178T, G06F 1550

Patent

active

045382298

ABSTRACT:
A computerized system for examining single engine performance capabilities and developing alternate routes/routings for two-engine aircraft in compliance with FAR 121.19 (driftdown, one engine inoperative) such that an attendant loss of altitude will not result in the aircraft dropping below a net flight path altitude and clearance distance with respect to the earth's surface along a given route between a flight originating point and a destination. Included as a part of the computation are the radius of action fuel capabilities which takes into consideration the "maximum continuous thrust", the power demands on the remaining engine, air density-temperature change attendant with altitude loss, and real time wind conditions.

REFERENCES:
patent: 3786505 (1974-01-01), Rennie
patent: 4086632 (1978-04-01), Lions
patent: 4144571 (1979-03-01), Webber
patent: 4224669 (1980-09-01), Brame
patent: 4495580 (1985-01-01), Keearns

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