ASN Wikibase Occurrence # 146569
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| Date: | Thursday 28 June 2012 |
| Time: | 15:00 |
| Type: |  Aviat A-1C-180 Husky |
| Owner/operator: | Private |
| Registration: | N63WY |
| MSN: | 3133 |
| Total airframe hrs: | 72 hours |
| Engine model: | Lycoming O-360 |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Moose Creek USFS Airport - 1U1, Moose Creek Ranger Station, ID -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Kooskia, ID (1U1) |
| Coeur d'Alene, ID (COE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The passenger reported that the pilot wanted "to beat" an approaching storm and that immediately after taking off and during the initial climb, the airplane rolled violently to the right; it then rolled back to the left, and the nose dropped before impact with terrain. A witness reported observing two men rushing to pack up their airplane while the weather at the airfield was deteriorating due to an incoming thunderstorm. He reported seeing the airplane make an uphill intersection takeoff with a strong gusting tailwind. The witness added that the airplane appeared unstable during the takeoff. A second witness reported that a thunderstorm was within one mile of the airfield and that the windsock was fully erect and moving around erratically, adding that the wind "was knocking the aircraft all over." The passenger stated that he thought the airplane was about tree top level when it encountered the violent wind condition and that the engine was running normally before the accident.
A postaccident examination of the airframe and engine revealed no mechanical malfunctions or failures that would have precluded normal operation. The pilot's decision to attempt a downwind takeoff in gusting wind conditions, coupled with a thunderstorm in close proximity to the airfield, most likely resulted in his loss of airplane control and subsequent impact with terrain.
Probable Cause: The pilot's decision to attempt a takeoff with a gusty tailwind, which resulted in his loss of airplane control during the initial climb and an aerodynamic stall/spin.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Jun-2012 23:51 | gerard57 | Added |
| 02-Jul-2012 19:11 | Geno | Updated [Time, Aircraft type, Registration, Cn, Operator, Location, Departure airport, Destination airport, Source, Narrative] |
| 08-Jul-2012 22:21 | Geno | Updated [Time, Destination airport, Source] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 20:44 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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