MSFS 2024 · General Aviation

Piper PA-24-250 Comanche (A2A) Emergency Procedures

Piper PA-24-250 Comanche (A2A) Emergency Procedures - Full Reference

All 13 procedures with immediate action steps, in full.

Engine Power Loss In Flight

Immediate actions · 12 steps

  1. 1
    Airspeed105 MPH (91 kts)
  2. 2
    Fuel selectorFULLEST TANK
  3. 3
    Fuel pumpON
  4. 4
    MixtureFULL RICH
  5. 5
    Carb heatON
  6. 6
    PrimerIN & LOCKED
  7. 7
    MagnetosCHECK
  8. 8
    Engine gaugesCHECK
  9. 9
    If no fuel pressure indicated: Fuel selectorALTERNATE TANK
  10. 10
    If power restored: Carb heatOFF, Fuel pump - OFF
  11. 11
    If power not restored, trim for 97 MPH and prepare for an emergency landing
  12. 12
    NOTE: after fuel exhaustion, refilling the empty lines can take up to ten seconds

Power Off Approach

Immediate actions · 8 steps

  1. 1
    Airspeed97 MPH (84 kts)
  2. 2
    PropFULL AFT
  3. 3
    Landing siteLOCATE
  4. 4
    Transponder7700
  5. 5
    Radio121.5 / MAYDAY
  6. 6
    SeatbeltsTIGHT
  7. 7
    When the landing site can be easily reached: GearDOWN
  8. 8
    FlapsDOWN

Power Off Landing

Immediate actions · 10 steps

  1. 1
    Land at the lowest possible airspeed with full flaps
  2. 2
    Landing gearDOWN (GEAR UP if landing on water)
  3. 3
    FlapsDOWN
  4. 4
    ThrottleCLOSED
  5. 5
    MixtureIDLE CUTOFF
  6. 6
    MagnetosOFF
  7. 7
    Master switchOFF
  8. 8
    Fuel selectorOFF
  9. 9
    Seat beltTIGHT
  10. 10
    DoorUNLATCH

Engine Fire

Immediate actions · 6 steps

  1. 1
    ThrottleCLOSED
  2. 2
    MixtureIDLE CUTOFF
  3. 3
    Fuel selectorOFF
  4. 4
    Fuel pumpOFF
  5. 5
    Heater / defrosterOFF
  6. 6
    Proceed to the power off approach checklist

Electrical Fire

Immediate actions · 7 steps

  1. 1
    Master switchOFF
  2. 2
    Generator circuit breakerPULL
  3. 3
    VentsOPEN
  4. 4
    DoorOPEN / AS REQUIRED
  5. 5
    Cabin heatOFF
  6. 6
    Fire extinguisherACTIVATE
  7. 7
    Proceed to the manual gear extension checklist and land as soon as possible

Carburettor Icing

Immediate actions · 5 steps

  1. 1
    Carb heatON
  2. 2
    ThrottleFULL OPEN
  3. 3
    MixtureADJUST for smoothness
  4. 4
    Expect initial engine roughness from ingesting melted ice when carb heat is applied
  5. 5
    NOTE: check for icing periodically in flight with OAT between 20 degF (-5 degC) and 70 degF (21 degC)

Engine Roughness

Immediate actions · 9 steps

  1. 1
    Carb heatON
  2. 2
    ThrottleFULL OPEN
  3. 3
    If roughness continues after 1 minute: Carb heatOFF
  4. 4
    MixtureADJUST for smoothness
  5. 5
    Fuel pumpON
  6. 6
    Fuel selectorALTERNATE TANK
  7. 7
    Engine gaugesCHECK
  8. 8
    MagnetosL then R then BOTH
  9. 9
    If satisfactory on either magneto, continue on it at reduced power and full RICH to the nearest airport, and prepare for a power off landing

Loss of Fuel Pressure

Immediate actions · 5 steps

  1. 1
    Fuel pumpON
  2. 2
    Fuel selectorFULLEST TANK
  3. 3
    If fuel pressure does not increase: Fuel selectorALTERNATE TANK
  4. 4
    Land as soon as possiblelow fuel pressure may indicate a fuel leak
  5. 5
    CAUTION: if normal fuel flow is not immediately re-established, turn the electric fuel pump off. No fuel flow with the pump ON could indicate a leak or fuel exhaustion

High Oil / CHT Temperature

Immediate actions · 4 steps

  1. 1
    ThrottleREDUCE
  2. 2
    MixtureENRICH
  3. 3
    AirspeedABOVE 120 MPH (104 kts)
  4. 4
    Prepare for a power off landing, land at the nearest airport and investigate

Propeller Overspeed

Immediate actions · 6 steps

  1. 1
    ThrottleRETARD
  2. 2
    Oil pressureCHECK
  3. 3
    PropFULL AFT (set the prop if any control is available)
  4. 4
    AirspeedREDUCE
  5. 5
    ThrottleAS REQUIRED, REMAIN BELOW 2,575 RPM
  6. 6
    Land as soon as possible

Alternator Failure

Immediate actions · 5 steps

  1. 1
    AmmeterVERIFY DISCHARGE
  2. 2
    Electrical loadREDUCE
  3. 3
    Generator circuit breakerRESET
  4. 4
    If power is not restored: Master switchOFF 6 SECONDS THEN ON
  5. 5
    If no output, minimise electrical load and land as soon as practical, planning for emergency gear extension

Emergency Landing Gear Extension

Immediate actions · 7 steps

  1. 1
    Master switchON
  2. 2
    Circuit breakersCHECK
  3. 3
    Navigation lightsOFF
  4. 4
    Gear indicator bulbsCHECK
  5. 5
    If gear not down and locked: Airspeed100 MPH (87 kts) OR BELOW
  6. 6
    Gear selectorDOWN
  7. 7
    Emergency landing gear extension handlePULL the red knob to extend the gear

Spin Recovery

Immediate actions · 7 steps

  1. 1
    ThrottleIDLE
  2. 2
    AileronsNEUTRAL
  3. 3
    Spin directionIDENTIFY
  4. 4
    RudderFULL OPPOSITE
  5. 5
    Control wheelFORWARD
  6. 6
    When rotation stops: RudderNEUTRAL
  7. 7
    Control wheelSMOOTH PULL