ASN Wikibase Occurrence # 371972
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| Date: | Monday 26 October 1987 |
| Time: | 17:00 LT |
| Type: |  Hughes 369D |
| Owner/operator: | Skydance Helicopters Inc. |
| Registration: | N47861 |
| MSN: | 310915D |
| Total airframe hrs: | 2165 hours |
| Engine model: | Allison 250-L20B |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Borrego Springs, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | Desert Springs, CA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT AND THREE PASSENGERS WERE FLYING AT LOW ALTITUDE OVER MOUNTAINOUS TERRAIN LOOKING FOR BIG HORN SHEEP. THIRTY MINUTES INTO THE FLIGHT THE PILOT HEARD A LOUD NOISE AND THE TAIL YAWED LEFT. THE PILOT TURNED AWAY FROM THE MOUNTAIN TO LOOK FOR A PLACE TO LAND. THE ENGINE LOST ALL POWER. BECAUSE IT WAS NECESSARY TO STRETCH THE GLIDE TO REACH THE ONLY AVAILABLE LANDING SPACE, THERE WAS INSUFFICIENT ROTOR SPEED REMAINING TO CUSHION THE LANDING. THE AIRCRAFT LANDED HARD, BREAKING THE RIGHT LANDING SKID AND ROLLING OVER ONTO ITS SIDE. EXAM OF THE ENG REVEALED THAT THE NO. 6 & 7 BEARINGS WERE FOUND TO HAVE FAILED DUE TO OIL STARVATION. THE REASON FOR THE OIL STARVATION COULD NOT BE DETERMINED.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX88LA025
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Mar-2024 12:08 | ASN Update Bot | Added |
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