ASN Wikibase Occurrence # 133387
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| Date: | Monday 29 June 1992 |
| Time: | 09:00 LT |
| Type: |  Bell 47D-1 |
| Owner/operator: | Powder River Helicopters Inc. |
| Registration: | N17301 |
| MSN: | WH5016 |
| Total airframe hrs: | 1915 hours |
| Engine model: | FRANKLIN GV335AB |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Wenatchee, WA -
 United States of America
|
| Phase: | Taxi |
| Nature: | Unknown |
| Departure airport: | Malaga, WA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE TRANSITIONING FROM A HOVER TO FORWARD FLIGHT THE PILOT ENCOUNTERED DECAYING RPM AND ATTEMPTED TO EXECUTE AN EMERGENCY LANDING. DURING THE LANDING, THE TAILBOOM IMPACTED A TREE. THE PILOT REPORTED THAT HE SUSPECTED CARBURETOR ICING AS THE CAUSE OF THE POWER LOSS. THE ACCIDENT OCCURRED AT AN ELEVATION APPROXIMATELY 1000 FEET HIGHER THAN THE WENATCHEE AIRPORT WHICH LIES 5 MILES NORTHEAST. THE SURFACE WEATHER OBSERVATION AT THE AIRPORT TAKEN 15 MINUTES BEFORE THE ACCIDENT RECORDED A 63/59 DEGREE TEMPERATURE/DEW POINT WITH BROKEN/OVERCAST CEILINGS. THE BASE CEILING (BROKEN) WAS REPORTED AT 1800 FEET ABOVE THE AIRPORT ELEVATION.
Probable Cause: CARBURETOR ICE AND THE PILOT IN COMMAND'S NOT BEING ABLE TO MAINTAIN CLEARANCE. FACTORS CONTRIBUTING TO THE ACCIDENT WERE: CARBURETOR ICING CONDITIONS AND TREE(S).
Accident investigation:
 |
|
Sources:
NTSB SEA92LA141
History of this aircraft
Other occurrences involving this aircraft
| 22 July 2001 | N17301 | Private | 2 | Ballard, MO | |
w/o |
| Fuel exhaustion | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 11-Apr-2024 06:08 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
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