ASN Wikibase Occurrence # 38089
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| Date: | Thursday 21 August 1986 |
| Time: | 10:15 |
| Type: |  Cessna T207A Turbo Skywagon |
| Owner/operator: | Idaho Helicopters |
| Registration: | N73569 |
| MSN: | 20700603 |
| Total airframe hrs: | 1235 hours |
| Engine model: | CONTINENTAL TSIO-520-M |
| Fatalities: | Fatalities: 6 / Occupants: 6 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Steens Mountains, Frenchglen, OR -
 United States of America
|
| Phase: | En route |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | McDermitt State Airport, OR (26U) |
| Burns, OR (BNO) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
ALTHOUGH LOW ALTITUDE FLIGHT WITHIN THE GORGE WAS NOT IN ACCORDANCE WITH THE MISSION PROFILE THE PILOT ENTERED THE CANYON AND PROCEEDED UPSLOPE TOWARDS RISING TERRAIN. 87% OF THE PILOT'S EXTENSIVE FLIGHT EXPERIENCE WAS IN HELICOPTER AIRCRAFT AND HE HAD ACQUIRED AN ESTIMATED TOTAL OF ONLY 13 HOURS IN MAKE/MODEL AT THE TIME OF THE ACCIDENT. THE AIRCRAFT WAS SLIGHTLY OVER ITS GROSS WEIGHT AT THE TIME OF THE ACCIDENT AND HIGH DENSITY ALTITUDE CONDITIONS EXISTED. DURING THE PILOT'S ATTEMPT TO REVERSE DIRECTION AT THE END OF THE GORGE THE AIRCRAFT STALLED AND A LOSS OF CONTROL FOLLOWED. A STALL/SPIN MANEUVER RESULTED PLACING THE AIRCRAFT IN AN UNCONTROLLED DESCENT INTO THE TERRAIN.
Four of the victims were employees of the Bureau of Land Management and one was a U.S. Forest Service worker, said BLM spokesman Barry Rose. They were part of a federal wilderness survey team.
Sources:
https://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20001213X34625&key=1
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 20-Aug-2011 14:50 | TB | Updated [Aircraft type, Source] |
| 20-Aug-2011 14:53 | TB | Updated [Departure airport, Narrative] |
| 02-Nov-2015 19:50 | Masen63 | Updated [Location, Nature, Source, Narrative] |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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