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Spirals, Descents, Unusual Attitude RecoveryLesson ObjectiveThe student will learn typical modes of entry into, and methods of recovery from, unusual attitudes including spins and spiral dives. The student will also learn the concept and limitations of the "benign spiral" descent mode. Regulatory RequirementStudent Pilot Candidates: (Maneuvers and procedures for pre-solo flight training in a glider)§61.87(i)(15) ContentInstructor demonstration: • Overbanking tendency into spiral dive entry Student practice:
• Nose-low steep bank unusual attitude recovery • Nose-high low-speed unusual attitude recovery • Initiation of benign spiral descent mode Completion StandardsThe student must be able to explain:
• How spiral dives might develop from a nose-low overbanking turn, or following a spin recovery • The differences between spiral dives and spins • The recovery technique from a spiral dive, and hazards of incorrect techniques • How spins might develop, and the general recovery technique from a spin • The recovery technique from a nose-high low-airspeed unusual attitude • The benefits and limitations of a benign spiral descent mode The student must be able to perform:
• Recovery from a nose-low steeply banked attitude, including spiral dive (relax aft stick pressure, roll wings level, stick smoothly aft until nose above horizon) • Recovery from a nose-high low-airspeed unusual attitude (neutral elevator and ailerons, rudder to minimize yaw, roll wings level after nose falls to horizon) • Initiation of an intentional benign spiral descent mode (full spoilers, trim slightly aft, hands off stick, feet off rudders) Prerequisite Study
Recommended Study
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