ASN Wikibase Occurrence # 353672
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| Date: | Saturday 10 October 1998 |
| Time: | 11:20 LT |
| Type: |  Hiller FH-1100 |
| Owner/operator: | Ward Aviation Inc., |
| Registration: | N580RH |
| MSN: | 213 |
| Total airframe hrs: | 4800 hours |
| Engine model: | Allison 250-C-18 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fayette, MS -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the pilot, while making a 180 degree turn, the boost pump fail light came on. Shortly afterwards the engine shut down at about 150 feet AGL. He selected a field for an emergency landing and entered an autorotation. During the touchdown phase of the autorotation, the helicopter collided with a log and rolled over. According to the pilot, there was insufficient RPM to stop the roll over. Examination of the engine concluded that the fuel supply system had an air leak between the fuel tank and the engine driven fuel pump. Also both the airframe and engine fuel filters were clogged with an unidentifiable brownish, jelly-like substance. A review of the maintenance log revealed that the last 100 hour inspection was 98 hours before the accident. There were no further indications of any other maintenance done on the fuel system.
Probable Cause: The fuel filter contamination which resulted in the loss of engine power. The air leak in the fuel system was a factor.
Accident investigation:
 |
|
Sources:
NTSB ATL99LA006
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Mar-2024 09:19 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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