ASN Wikibase Occurrence # 42942
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| Date: | Sunday 4 April 1993 |
| Time: | 16:30 LT |
| Type: |  Lake LA-4-200 Buccaneer |
| Owner/operator: | Helgeson, Robert C. |
| Registration: | N39375 |
| MSN: | 525 |
| Total airframe hrs: | 1595 hours |
| Engine model: | Lycoming IO-360-A1B |
| Fatalities: | Fatalities: 4 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gold Bar, WA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Lake Stevens, WA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRPLANE WAS FOUND SUBMERGED IN 40 FT OF WATER AND APPROXIMATELY 40 FT FROM SHORE ON THE NE END OF LAKE ISABEL. IMPACT DAMAGE WAS INDICATIVE OF A NEAR-VERTICAL NOSE-DOWN ATTITUDE AT IMPACT. THE MOUNTAINOUS TERRAIN RISES RAPIDLY ON ALL SIDES OF THE LAKE, AND THE LAKE NARROWS TO APPROXIMATELY 530 FT WIDE AT THE NE END. THE PILOT'S FLIGHT INSTRUCTOR STATED THAT THE PILOT HAD BEEN TAUGHT TO CIRCLE THE LAKE A FEW TIMES BEFORE LANDING TO ASSESS THE WATER CONDITIONS.
Probable Cause: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE AIRSPEED WHILE MANEUVERING FOR A WATER LANDING.
Accident investigation:
 |
|
Sources:
NTSB SEA93FA091
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 15:01 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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