VERTICAL FLIGHT PERFORMANCE CRITERIA
ARMY COMBAT DEVELOPMENTS COMMAND AVIATION AGENCY FORT RUCKER AL
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Various problems confronting the military operators of VTOL aircraft in tactical environments which tend to impede the ability to hover and perform related vertical flight maneuvers are examined. Several modes of flight employed under certain tactical situations were examined to establish appropriate power and lift requirements in excess of those required to hover. The influences of adverse ambient temperature, high elevation, wind, aircraft and engine deterioration, periodic aircraft weight increases, and operator skill levels are evaluated. These factors are appropriately interrelated and allowances are suggested to provide continued satisfactory vertical flight performance in service. Recommended vertical performance criteria for application in concept formulation studies, materiel requirements, and specifications for future Army tactical VTOL aircraft are provided.
- Military Operations, Strategy and Tactics