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Accident description
Last updated: 24 October 2017
Date:Thursday 21 May 1970
Type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas C-47-DL (DC-3)
Operator:D. Cavener
Registration: N75430
C/n / msn: 4490
First flight: 1942
Engines: 2 Pratt & Whitney R-1830-92
Crew:Fatalities: 0 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 1
Total:Fatalities: 0 / Occupants: 3
Airplane damage: Damaged beyond repair
Location:near Prudhoe Bay, AK (   United States of America)
Phase: En route (ENR)
Departure airport:Pingo Airstrip, AK, United States of America
Destination airport:Fairbanks International Airport, AK (FAI/PAFA), United States of America
The engines were idled too long before takeoff from Pingo Airstrip, causing an engine malfunction and loss of oil en route to Fairbanks. One engine failed and the crew carried out a forced landing during which the DC-3 sustained irreparable damage.

Probable Cause:

pilot in command - inadequate preflight preparation and/or planning
pilot in command - improper operation of powerplant & powerplant controls
miscellaneous acts, conditions - oil exhaustion-engine lubrication system
miscellaneous acts, conditions - improper/inadequate venting
miscellaneous acts, conditions - improper emergency procedures
pilot in command - lack of familiarity with aircraft
pilot in command - initiated flight in adverse weather conditions
weather - low ceiling
weather - fog
weather - conditions conducive to carb./induction system icing
complete power loss - complete engine failure/flameout-1 engine
weather briefing - briefed by flight service personnel, by radio
weather forecast - forecast substantially correct

» NTSB File 3-1131


photo of Douglas C-47-DL N75430
photo of Douglas C-47-DL N75430
photo of Douglas C-47-DL N75430
photo of Douglas C-47-DL N75430
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