Helicopter TERPS Validation Study, Phase I.
INSTRUMENT FLIGHT CENTER RANDOLPH AFB TEX
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With the addition of Chapter 11 to AFM 55-9, an attempt was made to provide helicopters with specialized approach criteria. Chapter 11 criteria was written largely from opinion with little feasibility testing accomplished. Helicopter TERPs Validation Study, Phase I, was conducted in order to provide Chapter 11 criteria validation. Eight highly qualified Air Force Instructor Pilots with varied helicopter experience were utilized as subject pilots. Each subject flew five different approaches utilizing maximum descent gradients, utilizing minimum segment lengths for maximum intercept angles, and maneuvering at minimum distance from the facility. Included were VOR, TACAN and ILS type approaches. All approaches were flown at 90 knots. Modified author abstract