Spin Awareness
Private Pilot ACS · Area VII · Task D · POH/AFM, FAA-H-8083-3
Everything you need to know about Spin Awareness for your private pilot checkride. Aligned to FAA-S-ACS-6C Task VII-D, covering spin awareness.
Spin Entry Conditions §
A spin requires both simultaneously:
1. Stalled condition — critical AoA exceeded
2. Yawing force — uncoordinated flight (skid), asymmetric thrust, or asymmetric stall
The yawing force causes one wing to stall more deeply than the other. The more-stalled wing produces less lift AND more drag → that wing drops → autorotation begins.
Most common scenario: Base-to-final turn, pilot skids the turn with outside rudder while pulling back. Combined stall + yaw at low altitude = unrecoverable.
1. Stalled condition — critical AoA exceeded
2. Yawing force — uncoordinated flight (skid), asymmetric thrust, or asymmetric stall
The yawing force causes one wing to stall more deeply than the other. The more-stalled wing produces less lift AND more drag → that wing drops → autorotation begins.
Most common scenario: Base-to-final turn, pilot skids the turn with outside rudder while pulling back. Combined stall + yaw at low altitude = unrecoverable.
PHAK Ch.4; ACS PA.VII.D
Spin Phases & PARE Recovery §
Incipient: First 1–2 turns. Most recoverable phase. Rotation developing, nose pitching down.
Developed: Rotation stabilizes. More difficult to recover. Significant altitude loss per turn.
Recovery: Must apply correct inputs promptly.
PARE recovery:
P — Power to idle
A — Ailerons neutral
R — Rudder full opposite to rotation (primary anti-spin control)
E — Elevator briskly forward to break the stall
After rotation stops → gently recover from the dive.
Always verify recovery procedure in your specific POH — not all aircraft use PARE.
Developed: Rotation stabilizes. More difficult to recover. Significant altitude loss per turn.
Recovery: Must apply correct inputs promptly.
PARE recovery:
P — Power to idle
A — Ailerons neutral
R — Rudder full opposite to rotation (primary anti-spin control)
E — Elevator briskly forward to break the stall
After rotation stops → gently recover from the dive.
Always verify recovery procedure in your specific POH — not all aircraft use PARE.
PHAK Ch.4; POH
Spin Certification §
Normal category aircraft: Tested to be spin-resistant but NOT approved for intentional spins. May not recover within one additional turn after applying controls.
Utility category: May be approved for intentional spins — check POH Limitations section.
The ACS requires spin awareness — knowledge of spin aerodynamics, phases, recovery procedure, and aircraft certification — not a spin entry demonstration (unless you are also doing a flight instructor certificate).
Utility category: May be approved for intentional spins — check POH Limitations section.
The ACS requires spin awareness — knowledge of spin aerodynamics, phases, recovery procedure, and aircraft certification — not a spin entry demonstration (unless you are also doing a flight instructor certificate).
14 CFR 23; ACS PA.VII.D
Four Left-Turning Tendencies §
P-factor: At high AoA, descending blade (right side) has greater AoA → more thrust → left yaw.
Torque: Reaction to clockwise prop rotation → left roll tendency.
Spiraling slipstream: Prop wash wraps around fuselage, strikes left side of vertical stabilizer → left yaw.
Gyroscopic precession: Mainly tailwheel aircraft during liftoff rotation.
All are most pronounced at high power + high AoA. Counter with right rudder. Critical during power-on stall entries and go-arounds.
Torque: Reaction to clockwise prop rotation → left roll tendency.
Spiraling slipstream: Prop wash wraps around fuselage, strikes left side of vertical stabilizer → left yaw.
Gyroscopic precession: Mainly tailwheel aircraft during liftoff rotation.
All are most pronounced at high power + high AoA. Counter with right rudder. Critical during power-on stall entries and go-arounds.
PHAK Ch.5