ASN Wikibase Occurrence # 37425
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| Date: | Sunday 11 April 1982 |
| Time: | 17:35 |
| Type: |  Hughes 369D |
| Owner/operator: | Tundra Copters |
| Registration: | N11058 |
| MSN: | 210901D |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 653 hours |
| Engine model: | ALLISON 250-C20B |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Near Tanana, AK -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Ambulance |
| Departure airport: | Banddanack, AK |
| Fairbanks, AK (FAI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRCRAFT CRASHED ON A SNOW COVERED MOUNTAIN SLOPE WHILE IN A STEEP LEFT BANK/NOSE LOW TURN. THE 1754 AST WEATHER AT TANANA, AK (19 NM SSE) WAS, IN PART: 1800 FT BROKEN, 3500 FT OVERCAST, VISIBILITY 7 MI WITH LIGHT SNOW, WIND 320 DEG AT 18 KTS. FLIGHT ADVISORIES WERE POSTED FOR SOME TURBULENCE IN THE AREA, AND THERE WERE STRONG PRESSURE GRADIENTS WHICH WERE CAPABLE OF PRODUCING GUSTY LOW LEVEL WINDS. SNOW AND SNOW SHOWERS PERSISTED IN THE AREA WELL BEYOND THE ESTIMATED TIME OF THE CRASH. THE ELEVATION OF THE AIRPORT AT TANANA WAS 227 FT MSL, THE CRASH SITE WAS AT ABOUT 2550 FT MSL. DURING AN EXAMINATION OF THE WRECKAGE, NO PREIMPACT FAILURES WERE FOUND. CAUSE:
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20020917X01654
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 09-Sep-2015 19:39 | nwt0 | Updated [Nature] |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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