Research for Aircraft Design

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Estimated STOVL Strike Fighter Danger Area
January 1, 1992
Effects of impinging gas from the AV-8B Short-Takeoff Vertical-Landing (STOVL) aircraft require that personnel remain 50 feet away during vertical operations. In future STOVL aircraft, vertical thrust will be greater, with a potentially larger danger area. This memorandum examines the factors that determine the size of the danger area and models the amount of area future STOVL aircraft will need.
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DAMAGE SUFFERED BY USN AND USMC GROUND-ATTACK AIRCRAFT IN KOREA
June 1, 1974
The kind of information that can be obtained from analysis of Aircraft Vulnerability Report Forms is described, and the results of a preliminary study, made to determine the value of a larger-scale analysis, are reported. The study concludes that: (1) although hits from ground fire are uniformly distributed over both jet and conventional aircraft, the jets received a greater proportion from ahead and directly below; (2) in terms of aircraft lost per hit, the F-4U is twice as vulnerable as the F-9F, which is in turn twice as vulnerable as the AD; and, (3) the variation in vulnerability among aircraft can be markedly affected by design.
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