AI.X.DFAA-S-ACS-25 · Nov 2023
Power-On Stalls
To determine the applicant understands power-on stalls, can apply that knowledge, manage associated risks, demonstrate appropriate skills, and provide effective instruction. Note: See Appendix 2: Safety of Flight and Appendix 3: Aircraft, Equipment, and Operational Requirements & Limitations for information related to this Task.
Bottom line
A power-on approach to stall is trained and checked to simulate problematic takeoff scenarios. A power-on approach to stall may be performed from straight-and-level flight or from shallow and medium banked turns (up to 20 degrees of bank).
FAA references
- AFH ch. 13 (p. 13-19) — FAA-H-8083-3C
- AFH ch. 16 (p. 16-9) — FAA-H-8083-3C
Knowledge
- AI.X.D.K1: Purpose of and procedures for power-on stalls.
- AI.X.D.K2: Aerodynamics associated with stalls in various airplane configurations, including the relationship between angle of attack, airspeed, load f
- AI.X.D.K3: Stall characteristics as they relate to airplane design, and recognition impending stall and full stall indications using sight, sound, or f
- AI.X.D.K4: Factors and situations that can lead to a power-on stall and actions that can be taken to prevent it.
- AI.X.D.K5: Fundamentals of stall recovery.
- AI.X.D.K6: Common errors related to this Task.
Risk management
- AI.X.D.R1: Factors and situations that could lead to an inadvertent power-on stall, spin, and loss of control.
- AI.X.D.R2: Range and limitations of stall warning indicators (e.g., aircraft buffet, stall horn, etc.).
- AI.X.D.R3: Stall warning(s) during normal operations.
- AI.X.D.R4: Stall recovery procedure.
- AI.X.D.R5: Secondary stalls, accelerated stalls, elevator trim stalls, and cross-control stalls.
- AI.X.D.R6: Effect of environmental elements on airplane performance related to power-on stalls (e.g., turbulence, microbursts, and high-density altitud
- AI.X.D.R7: Collision hazards.
- AI.X.D.R8: Distractions, task prioritization, loss of situational awareness, or disorientation. The applicant demonstrates and simultaneously explains
Skills
- AI.X.D.S1: Clear the area.
- AI.X.D.S2: Select an entry altitude that allows the Task to be completed no lower than 1,500 feet above ground level (AGL) (ASEL, ASES) or 3,000 feet A
- AI.X.D.S3: Establish the takeoff, departure, or cruise configuration, as specified by the evaluator, and maintain coordinated flight throughout the man
- AI.X.D.S4: Set power to no less than 65 percent power.
- AI.X.D.S5: Transition smoothly from the takeoff or departure attitude to the pitch attitude that induces a stall.
- AI.X.D.S6: Maintain a specified heading ±10° if in straight flight; maintain a specified angle of bank not to exceed 20°, ±10° if in turning flight, un
- AI.X.D.S7: Acknowledge the cues at the first indication of a stall (e.g., aircraft buffet, stall horn, etc.).
- AI.X.D.S8: Recover at the first indication of a stall or after a full stall has occurred, as specified by the evaluator.
- AI.X.D.S9: Configure the airplane as recommended by the manufacturer, and accelerate to best angle of climb speed (VX) or best rate of climb speed (VY)
- AI.X.D.S10: Return to the altitude, heading, and airspeed specified by the evaluator.
- AI.X.D.S11: Analyze and correct common errors related to this Task.
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