ASN Wikibase Occurrence # 30434
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| Date: | Wednesday 25 August 1999 |
| Time: | 06:20 LT |
| Type: |  de Havilland Canada DHC-2 Beaver |
| Owner/operator: | Arthur E. Gerken |
| Registration: | N930TG |
| MSN: | 1041 |
| Year of manufacture: | 1957 |
| Total airframe hrs: | 15661 hours |
| Engine model: | P&W R-985 |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Ilimani, AK -
 United States of America
|
| Phase: | Take off |
| Nature: | Unknown |
| Departure airport: | , AK (KILI) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The certificated commercial pilot was attempting to takeoff from a lake with 2 feet tall, rolling swells. The pilot said that during the takeoff run, before a safe flying airspeed was attained, the airplane floats struck a large wave, and the airplane lifted off the water prematurely. He said that before he could react, the left wing stalled, and the airplane collided with the water. During the collision, the floats were torn off the airplane, and the airplane sank. The airplane sustained substantial damage to the fuselage, empennage, and wings. The closest official weather observation station is Iliamna. On August 25, 1999, at 0553, an Aviation Routine Weather Report (METAR) was reporting in part: Wind, 259 degrees (magnetic) at 7 knots; visibility, 10 statute miles; clouds, 7,500 feet broken; temperature, 51 degrees F; dew point, 46 degrees F; altimeter, 29.52 inHg. Official civil twilight for Iliamna was at 0610.
Probable Cause: The pilot's selection of an unsuitable takeoff area, and an inadvertent stall. Factors associated with the accident were large wave/swells, and low light conditions (dawn).
Accident investigation:
 |
|
Sources:
NTSB ANC99LA124
History of this aircraft
Other occurrences involving this aircraft
| 25 June 2003 | N930TG | Iliaska Lodge | 0 | Iliamna, Alaska | |
sub |
| 18 June 2017 | N930TG | Alaska Seaplane Tours | 0 | Big Goat Lake, Misty Fjords Nat'l Monument, AK | |
w/o |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 23-Oct-2017 16:45 | TB | Updated [Total fatalities, Total occupants, Other fatalities, Location, Country, Phase, Nature, Source, Damage, Narrative] |
| 14-Dec-2017 08:45 | ASN Update Bot | Updated [Time, Operator, Nature, Departure airport, Source, Narrative] |
| 07-Apr-2024 18:31 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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