Crash of a Douglas C-47-DL near Prudhoe Bay
Date & Time:
May 21, 1970 at 0040 LT
Registration:
N75430
Survivors:
Yes
Schedule:
Pingo – Fairbanks
MSN:
4490
YOM:
1942
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total hours on type:
220.00
Circumstances:
En route to Fairbanks, while in cruising altitude, the crew encountered engine problems and was unable to maintain de prescribed altitude. He decided to perform an emergency landing in a snow covered ground when the airplane crash landed, slid for dozen yards and came to rest, broken in two. All three occupants were uninjured.
Probable cause:
Engine failure in flight caused by the combination of the following factors:
- Inadequate preflight preparation,
- Improper operation of powerplant & powerplant controls,
- Oil exhaustion, engine lubrication system,
- Improper/inadequate venting,
- Improper emergency procedures,
- Lack of familiarity with aircraft,
- Initiated flight into adverse weather conditions,
- Low ceiling,
- Fog,
- Conditions conducive to carburetor icing,
- Complete engine failure on one engine,
- Idled engines too long prior to takeoff, condensation froze,
- Plugged lower breather pipe, oil went out top pipe.
- Inadequate preflight preparation,
- Improper operation of powerplant & powerplant controls,
- Oil exhaustion, engine lubrication system,
- Improper/inadequate venting,
- Improper emergency procedures,
- Lack of familiarity with aircraft,
- Initiated flight into adverse weather conditions,
- Low ceiling,
- Fog,
- Conditions conducive to carburetor icing,
- Complete engine failure on one engine,
- Idled engines too long prior to takeoff, condensation froze,
- Plugged lower breather pipe, oil went out top pipe.
Final Report:
