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ACCELERATED MANEUVER STALL

ACCELERATED MANEUVER STALL

Description

A stall resulting from a higher-than-normal airspeed in steep turns, pull-ups, or other abrupt changes in your flight attitude, often occurring faster than other stalls.

Objective

To demonstrate that a stall will not always occur at the same airspeed if excessive maneuvering loads are imposed by steep turns, pull-ups or other abrupt changes in flight path.

Setup

         Clear the area

         Choose forced landing area

         Configure aircraft for a maneuvering: (C172RG: 18 Hg, 2300 RPM) at ≤VA (C172RG: ≤106 KIAS at MGW, e.g. use 90 KIAS), flaps up (flaps down will lead to excessive loads), gear up, carburetor heat off, altitude so recovery is ≥1500 AGL

         Select outside references

         Roll to a 45 level bank while gradually increasing back pressure to maintain altitude

         Slowly increase back pressure while maintaining altitude until the airplane stalls

Recovery

         Immediately release back pressure on the control and increase power

o        If the turn is not coordinated, one wing may drop suddenly, causing the airplane to roll in that direction, if so the excessive back pressure must be released to break the stall before adding power

         Return to straight-and-level, coordinated flight

         Maintain ball centered

         Look for traffic

 

It is important to recover at the first sign of the stall, as a prolonged accelerated stall can develop into a spin. This stall tends to be more rapid or sever, than the unaccelerated stall, and because they occur at higher-than-normal-speed, and/or may occur at lower than anticipated pitch attitudes, they may be unexpected by an inexperienced pilot

References

FAA-H-8083-3A Airplane Flying Handbook p. 4-9

JS314510-001 Jeppesen Guided Flight Discovery Private Pilot Maneuvers p. 5-11


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