AI.XIII.BFAA-S-ACS-25 · Nov 2023
VMC Demonstration (AMEL, AMES)
To determine the applicant understands VMC demonstration, 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
Pilots also learn to recognize and recover from loss of directional control associated with the red radial indicated airspeed by performing a VMC demonstration.
FAA references
- AFH ch. 13 (p. 13-26) — FAA-H-8083-3C
- AFH ch. 13 (p. 13-23) — FAA-H-8083-3C
- FAA-P-8740-66, Flying Light Twins Safely — FAA-P-8740-66
Knowledge
- AI.XIII.B.K1: Purpose of the maneuver.
- AI.XIII.B.K2: Proper procedures for maneuver entry and safe recovery.
- AI.XIII.B.K3: Factors affecting VMC and how VMC differs from stall speed (VS).
- AI.XIII.B.K4: VMC (red line), VYSE (blue line), and safe single-engine speed (VSSE).
- AI.XIII.B.K5: Cause of loss of directional control at airspeeds below VMC.
- AI.XIII.B.K6: Common errors related to this Task.
Risk management
- AI.XIII.B.R1: Configuring the airplane.
- AI.XIII.B.R2: Maneuvering with one engine inoperative.
- AI.XIII.B.R3: Distractions, task prioritization, loss of situational awareness, or disorientation.
Skills
- AI.XIII.B.S1: Configure the airplane in accordance with the manufacturer’s recommendations, in the absence of the manufacturer’s recommendations, then at
- AI.XIII.B.S1a: a. Landing gear retracted
- AI.XIII.B.S1b: b. Flaps set for takeoff
- AI.XIII.B.S1c: c. Cowl flaps set for takeoff
- AI.XIII.B.S1d: d. Trim set for takeoff
- AI.XIII.B.S1e: e. Propellers set for high revolutions per minute (rpm)
- AI.XIII.B.S1f: f. Power on critical engine reduced to idle and propeller windmilling
- AI.XIII.B.S1g: g. Power on operating engine set to takeoff or maximum available power
- AI.XIII.B.S2: Establish a single-engine climb attitude with the airspeed at approximately 10 knots above VSSE.
- AI.XIII.B.S3: Establish a bank angle not to exceed 5° toward the operating engine, as required for best performance and controllability.
- AI.XIII.B.S4: Increase the pitch attitude slowly to reduce the airspeed at approximately 1 knot per second while applying increased rudder pressure as nee
- AI.XIII.B.S5: Recognize and recover at the first indication of loss of directional control, stall warning, or buffet.
- AI.XIII.B.S6: Recover promptly by simultaneously reducing power sufficiently on the operating engine, decreasing the angle of attack as necessary to regai
- AI.XIII.B.S7: Recover within 20° of entry heading.
- AI.XIII.B.S8: Advance power smoothly on the operating engine and accelerate to VSSE/VYSE, as appropriate, ±5 knots during recovery.
- AI.XIII.B.S9: Analyze and correct common errors related to this Task.
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