AA.V.CFAA-S-ACS-11A · Nov 2023
Landing Configuration Stall Prevention
To determine the applicant exhibits satisfactory knowledge, risk management, and skills associated with stalls in the landing configuration 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 stall is the result of exceeding the critical angle of attack, not of insufficient airspeed. An impending stall occurs when the angle of attack causes a stall warning but has not yet reached the critical angle of attack.
FAA references
- AC 120-109, para. 1-7 — AC No: 120-109A
- AFH ch. 5, Angle of Attack (p. 5-9) — FAA-H-8083-3C
- AFH ch. 5, Stalls (p. 5-12) — FAA-H-8083-3C
- AC 120-109, para. 4-2 — AC No: 120-109A
- AFH ch. 13 (p. 13-19) — FAA-H-8083-3C
Knowledge
- AA.V.C.K1: Aerodynamics associated with stalls in the landing configuration, including the relationship between angle of attack, airspeed, load factor,
- AA.V.C.K2: Stall characteristics as they relate to airplane design, and recognition impending stall and full stall indications using sight, sound, or f
- AA.V.C.K3: Factors and situations that can lead to a stall when configured for landing and actions that can be taken to prevent it.
- AA.V.C.K4: Effects of autoflight, flight envelope protection in normal and degraded modes, and unexpected disconnects of the autopilot or autothrottle/
- AA.V.C.K5: Fundamentals of stall recovery.
Risk management
- AA.V.C.R1: Factors and situations that could lead to an inadvertent stall, spin, and loss of control during landing.
- AA.V.C.R2: Range and limitations of stall warning indicators (e.g., aircraft buffet, stall horn, stick shaker, etc.).
- AA.V.C.R3: Stall warning awareness.
- AA.V.C.R4: Stall recovery procedure.
- AA.V.C.R5: Secondary stalls, accelerated stalls, elevator trim stalls, and cross-control stalls.
- AA.V.C.R6: Effect of environmental elements on aircraft performance while landing as it relates to stalls (e.g., turbulence, icing, microbursts, and hi
- AA.V.C.R7: Stalls at a low altitude.
- AA.V.C.R8: Collision hazards, including aircraft and terrain.
- AA.V.C.R9: Distractions, task prioritization, loss of situational awareness, or disorientation.
Skills
- AA.V.C.S1: Clear the area and select an entry altitude that allows the recovery to be completed no lower than 3,000 feet above ground level (AGL) (non-
- AA.V.C.S2: [Archived]
- AA.V.C.S3: Establish the landing configuration (i.e., lift/drag devices set and landing gear extended) and maintain coordinated flight in simulated or
- AA.V.C.S4: Either manually or with the autopilot engaged, smoothly adjust pitch attitude, bank angle (15°-30°), and power setting in accordance with ev
- AA.V.C.S5: Acknowledge the cue(s) and promptly recover at the first indication of an impending stall (e.g., buffet, stall horn, stick shaker, etc.).
- AA.V.C.S6: Execute a stall recovery in accordance with procedures set forth in the Pilot's Operating Handbook (POH)/Flight Manual (FM).
- AA.V.C.S7: Retract the flaps or other lift/drag devices to the recommended setting, if applicable; retract the landing gear after a positive rate of cl
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