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| Date: | Wednesday 4 August 1982 |
| Time: | 21:15 LT |
| Type: |  Piper J-3 |
| Owner/operator: | Private |
| Registration: | N70604 |
| MSN: | 17613 |
| Year of manufacture: | 1946 |
| Total airframe hrs: | 9272 hours |
| Engine model: | Continental O-200A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Other fatalities: | 0 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Near Big Lake, AK -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Lake Hood, AK (LHD) |
| Lake Hood, AK (LHD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING CRUISE FLIGHT, THE AIRCRAFTS ENGINE LOST POWER AND BEGAN VIBRATING SEVERLY. AFTER THE PILOT TRIED UNSUCCESSFULLY TO REMEDY THE PROBLEM, HE EXECUTED AN EMERGENCY LANDING IN A MARSH. SHORTLY AFTER TOUCHDOWN THE AIRCRAFT BOGGED DOWN AND NOSED OVER. A TEARDOWN EXAMINATION OF THE ENGINE REVEALED THAT IT HAD EXPERIENCED AN INTERNAL FAILURE IN THE AREA OF THE #1 AND #2 CYLINDERS. WHILE THE EXACT MODE AND SEQUENCE OF FAILURE WAS NOT IDENTIFIED, EVIDENCE OF INADEQUATE LUBRICATION WAS OBSERVED.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB ANC82IA067
History of this aircraft
Other occurrences involving this aircraft
| 10 October 2013 | N70604 | 0 | Talkeetna, Alaska | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Apr-2024 03:14 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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