ASN Wikibase Occurrence # 361531
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| Date: | Friday 6 August 1993 |
| Time: | 20:30 LT |
| Type: |  Lake LA-4 |
| Owner/operator: | Private |
| Registration: | N6669L |
| MSN: | 431 |
| Total airframe hrs: | 1300 hours |
| Engine model: | LYCOMING IO-360-A1B |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Blair Lake, AK -
 United States of America
|
| Phase: | Taxi |
| Nature: | Private |
| Departure airport: | North Pole, AK |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
PILOT OF LAKE AMPHIBIAN AIRPLANE ENCOUNTERED PORPOISING LOSS OF CONTROL WHILE STEP TAXIING IN CHOPPY LAKE CONDITIONS. PORPOISING PROGRESSED TO WINGFLOAT PITCHING AND COLLISION WITH WATER. THE AIRPLANE SANK.
Probable Cause: THE PILOT'S INADVERTANT ENTRY INTO A PORPOISE AND SUBSEQUENT LOSS OF CONTROL WHILE STEP-TAXIING PRIOR TO TAKEOFF. A FACTOR IN THE ACCIDENT WAS THE ROUGH WATER CONDITIONS.
Accident investigation:
 |
|
Sources:
NTSB ANC93LA136
History of this aircraft
Other occurrences involving this aircraft
| 21 July 1985 | N6668L | Private | 0 | Sidney, ME | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 19:28 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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