ASN Wikibase Occurrence # 359054
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| Date: | Wednesday 3 May 1995 |
| Time: | 13:00 LT |
| Type: |  Eurocopter AS350D |
| Owner/operator: | Liberty Helicopter |
| Registration: | N900PH |
| MSN: | 1428 |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 6819 hours |
| Engine model: | LYCOMING LTS-101-600A2 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sea Bright, NJ -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | New York City, NY (6N5 |
| Keansburg, NJ | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
At 1000 feet mean sea level, the helicopter's engine lost total power. The pilot entered autorotation, and deployed the floats in preparation for a water landing. During the flare, the tailrotor entered the water and separated from the tailboom. An engine teardown revealed that the inner race of the position 19 bearing, which supported the high speed power gearshaft, failed due to fatigue. Subsequently, the #1 and #2 (accessory) gears disengaged. These gears provided drive to the gas generator accessories, which included the fuel pump/control assemblies. With the gears disengaged, there was no drive to the fuel pump, rendering it incapable of delivering fuel to the fuel control.
Probable Cause: Failure of the position 19 engine bearing, which resulted in shifting of the accessory gear drive, disengagement of the fuel pump, fuel starvation, and loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB NYC95LA099
History of this aircraft
Other occurrences involving this aircraft
| 26 March 2002 | C-FBHX | Bighorn Helicopters Inc. | 0 | South Racehorse Creek Weather Station,12nm NW of Blairmore,Alberta |  |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 06:32 | ASN Update Bot | Added |
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