Narrative:
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(S)
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
FACTOR(S)
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
accident date: 21-05-1970
type: Douglas C-47 (DC-3)
registration: N75430
accident date: 21-05-1970
type: Douglas C-47 (DC-3)
registration: N75430
accident date: 21-05-1970
type: Douglas C-47 (DC-3)
registration: N75430
accident date: 21-05-1970
type: Douglas C-47 (DC-3)
registration: N75430
| Status: | Accident investigation report completed and information captured |
| Date: | Thursday 21 May 1970 |
| Time: | 00:40 |
| Type: |  Douglas C-47-DL (DC-3) |
| Operator: | D. Cavener |
| Registration: | N75430 |
| 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 |
| Aircraft damage: | Damaged beyond repair |
| Location: | near Prudhoe Bay, AK ( United States of America)
|
| Phase: | En route (ENR) |
| Nature: | Executive |
| Departure airport: | Pingo Airstrip, AK, United States of America |
| 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:
PROBABLE CAUSE(S)
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
FACTOR(S)
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
Classification:
Forced landing on runway
Sources:
» NTSB File 3-1131Photos
accident date: 21-05-1970
type: Douglas C-47 (DC-3)
registration: N75430
accident date: 21-05-1970
type: Douglas C-47 (DC-3)
registration: N75430
accident date: 21-05-1970
type: Douglas C-47 (DC-3)
registration: N75430
accident date: 21-05-1970
type: Douglas C-47 (DC-3)
registration: N75430
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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