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Power-Off Stalls

Introduction:

  • Stalls do NOT occur without warning
    • While flying along in cruise flight, a stall will not rip the airplane out of the sky and throw it uncontrollably to the ground to a big smoking crater
  • Power-off stalls simulate a stall during the normal approach to landing
    • Should be set up in the landing configuration
  • Recoveries therefore train a pilot to make prompt, positive, and effective recoveries with a minimum loss of altitude
  • This stall may occur while descending in an actual or simulated emergency or in any power-off situation when airspeed is not controlled

Stall Avoidance

  • Avoid flying at minimum airspeeds
  • Remain in the normal flight envelope
  • Avoid abrupt maneuvers

Power-Off Stall Procedure:

WARNING:
All procedures here are GENERALIZED for learning.
Fly the maneuver in accordance with the Pilot Operating Handbook (POH)
and/or current Standard Operating Procedures (SOPs)


  1. Select an altitude where recovery will occur no lower than 1500' AGL
  2. Perform clearing turns
  3. Reduce power adjusting pitch to maintain altitude
    • Trim as necessary
  4. Below VLO, extend the landing gear, as required
    • Callout: "Gear Down"
    • Verify gear DOWN and callout "3 Green, No Red
  5. Below VFE, extend the flaps
  6. Maintain altitude until reaching a normal approach speed and then maintain that speed in a stabilized descent
  7. Descending no lower than 200', simultaneously reduce power to idle and pitch up to Vy attitude (4-5 degrees, cowling on the horizon)
    • This pitch attitude will be a normal landing attitude
    • Above 5 knots, above stall speed the horn will sound
    • Stall may be performed level or with up to 20° bank angles
  8. At the stall, call out "stalling"
  9. Reduce the AoA to regain control
  10. Add full power
  11. Pitch for Vy
    • Glare shield level with the horizon
  12. Maintain coordination using rudder to prevent spins
  13. With a positive rate of climb established:
    • Begin to raise the flaps in 10° increments
    • Below VLO, and with a positive rate of climb established, call out "positive climb, gear up," and retract the landing gear
  14. Complete cruise checklist
Airplane Flying Handbook, Figure 4-5. Power-Off Stall
Airplane Flying Handbook, Power-Off Stall
Airplane Flying Handbook, Figure 4-5. Power-Off Stall
Airplane Flying Handbook, Power-Off Stall

Common Errors:

  • Failure to adequately clear the area
  • Failure to establish the specified landing gear and flap configuration prior to entry
  • Improper pitch, heading, and bank control during straight ahead stalls
  • Use outside and instrument references
  • Right rudder in nose-high power-on condition; release at break
  • Improper pitch and bank control during turning stalls
  • Rough or uncoordinated control technique
  • Failure to recognize the first indications of a stall
  • Failure to achieve a stall
  • Improper torque correction
  • Poor stall recognition and delayed recovery
  • Excessive altitude loss or excessive airspeed during recovery
  • Secondary stall during recovery

Airman Certification Standards:

Conclusion:

  • It is important to note that individual aircraft may have stall characteristics unique to them due to bends/twists which develop in the airframe over time depending on their use

References: