ASN Wikibase Occurrence # 372329
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| Date: | Thursday 27 August 1987 |
| Time: | 16:58 LT |
| Type: |  Bell 206L-1 |
| Owner/operator: | Aris Helicopter Ltd |
| Registration: | N22HU |
| MSN: | 45562 |
| Year of manufacture: | 1980 |
| Total airframe hrs: | 3082 hours |
| Engine model: | Allison 250-C28B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Covelo, CA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT PERFORMED A VERTICAL TAKEOFF. AT APRX 30 FT AGL, WHILE TRANSITIONING TO FORWARD FLIGHT, THE ENGINE LOST POWER AND THE PILOT PARTIALLY LOWERED THE COLLECTIVE TO MAINTAIN ROTOR RPM. THE HELICOPTER LANDED HARD ON SLOPING TERRAIN AND BOUNCED LATERALLY TO THE RIGHT COLLIDING WITH TREES. DURING THE COURSE OF THE INVESTIGATION THE HELICOPTER WAS DEFUELED. APRX 14.6 GALS OF FUEL WERE DRAINED FROM THE REAR MAIN FUEL CELL AND APRX 4.7 GALS WERE DRAINED FROM THE RIGHT FRONT TANK. EXAMINATION OF THE FUEL SYSTEM REVEALED CONTAMINATION OF THE RIGHT AND LEFT IN-LINE FUEL FILTER ASSEMBLIES (PART NO. 206-063-001). THE CONTAMINATION WAS IDENTIFIED AS DIRT, PAINT CHIPS, LINT TYPE FUZZ, AND METAL SHAVINGS. ACCORDING TO BELL HELICOPTER THE FUEL TRANSFER SYSTEM CAN BE RENDERED INOPERATIVE BY CONTAMINANTS RESULTING IN ENGINE FLAMEOUTS.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX87FA318
History of this aircraft
Other occurrences involving this aircraft
| 23 April 1995 | N206AH | Classic Helicopter Service | 0 | Richfield, UT | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Mar-2024 15:57 | ASN Update Bot | Added |
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