Investigation of Current and Proposed Aircraft Departure Susceptibility Criteria with Application to Future Fighter Aircraft
Final rept. Jan 1989-Jan 1990
NAVAL AIR DEVELOPMENT CENTER WARMINSTER PA AIR VEHICLE AND CREW SYSTEMS TECHNOLOGY DEPT
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This report entails a brief review of the derivation, application and implied limitations of the aircraft departure susceptibility criteria presented in the MIL-STD-1797A Flying Qualities Specification. To begin the discussion, the six degree-of-freedom rigid body aircraft equations-of-motion and aircraft stability concepts are reviewed, focusing on their application to determine the susceptibility of an aircraft to depart from controlled flight. A methodology is then suggested that allows a designer to determine the departure susceptibility of an aircraft configuration through the course of its design up to and including flight test with increasing levels of accuracy as the design progresses. Aircraft Departure Criteria, High Angle-of-Attack Equations-of Motion.
- Attack and Fighter Aircraft