MSFS 2024 · General Aviation

DHC-6 Twin Otter Emergency Procedures

DHC-6 Twin Otter Emergency Procedures - Full Reference

All 6 procedures with immediate action steps, in full.

Engine Fire - In Flight

Immediate actions · 7 steps

  1. 1
    Affected power leverIDLE
  2. 2
    Affected condition leverFUEL OFF (pull aft)
  3. 3
    Affected propellerFEATHER (if auto-feather not activated)
  4. 4
    Fire bellMUTE
  5. 5
    Remaining engineINCREASE power as required
  6. 6
    Rudder trimADJUST for asymmetric thrust
  7. 7
    Land as soon as practical

Engine Failure - After Takeoff

Immediate actions · 7 steps

  1. 1
    AirspeedMAINTAIN 100 KIAS (Vy) minimum
  2. 2
    Failed engine power leverIDLE
  3. 3
    Failed engine propellerFEATHER
  4. 4
    Operating engineFULL TAKEOFF POWER
  5. 5
    RudderAPPLY towards operating engine for directional control
  6. 6
    FlapsLEAVE AS SET until safe altitude attained
  7. 7
    Land at nearest suitable airfield

Engine Hot Start

Immediate actions · 6 steps

  1. 1
    Condition leverFUEL OFF immediately
  2. 2
    StarterCONTINUE MOTORING to purge residual fuel
  3. 3
    ITTMONITOR until below 200 deg C before reattempting
  4. 4
    Fire bellMUTE and assess for external fire
  5. 5
    EngineINSPECT before any restart attempt
  6. 6
    MaintenanceNOTIFY before next flight

Engine Failure - In Flight (Single Engine)

Immediate actions · 8 steps

  1. 1
    Identify failed engineDEAD FOOT / DEAD ENGINE
  2. 2
    Failed engine power leverIDLE
  3. 3
    Failed engine propeller leverFEATHER
  4. 4
    Failed engine condition leverFUEL OFF
  5. 5
    Operating engineMAX CONTINUOUS POWER
  6. 6
    AirspeedMAINTAIN above 100 KIAS (Vy)
  7. 7
    Rudder trimADJUST for asymmetric thrust
  8. 8
    Declare emergency and land at nearest suitable airfield

Electrical / Generator Failure

Immediate actions · 7 steps

  1. 1
    Affected generator switchOFF then ON (reset attempt)
  2. 2
    If not restored: affected generatorOFF
  3. 3
    Non-essential electrical loadsSHED
  4. 4
    Remaining generatorVERIFY online and carrying load
  5. 5
    BatteryVERIFY as backup power source
  6. 6
    Essential avionics onlyMAINTAIN powered
  7. 7
    Land within 30 minutes if dual generator failure

Dual Engine Failure / Forced Landing

Immediate actions · 8 steps

  1. 1
    Best glide speedESTABLISH 87 KIAS
  2. 2
    MAYDAYDECLARE on current frequency (121.5 MHz guard)
  3. 3
    Transponder7700
  4. 4
    Suitable landing areaSELECT immediately (field, strip, beach)
  5. 5
    Fuel boost pumpsON and attempt restart on both engines
  6. 6
    FlapsEXTEND as required on final approach
  7. 7
    Seats and harnessesTIGHTEN all occupants
  8. 8
    Land as soon as possibledo not delay