ASN Wikibase Occurrence # 360508
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| Date: | Saturday 7 May 1994 |
| Time: | 21:40 LT |
| Type: |  Hiller UH-12B |
| Owner/operator: | Beaumont Wings, Inc. |
| Registration: | N6417V |
| MSN: | 417 |
| Year of manufacture: | 1952 |
| Total airframe hrs: | 3633 hours |
| Engine model: | FRANKLIN O335-5D |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Crystal Beach, TX -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRCRAFT EXPERIENCED A PARTIAL ENGINE POWER LOSS DURING INITIAL CLIMB AFTER TAKEOFF. THE PILOT STATED THAT LANDING STRAIGHT AHEAD WOULD HAVE BEEN HAZARDOUS AND HE ELECTED TO TURN DOWN WIND AND ATTEMPTED TO MANEUVER BACK INTO THE WIND AT LOW ALTITUDE. DURING TOUCHDOWN, THE HELICOPTER LANDED HARD, TOUCHED DOWN SIDEWAYS, ROCKED ON THE SKIDS, AND ROLLED ONTO ITS LEFT SIDE. INVESTIGATION REVEALED NO EVIDENCE OF PRE-ACCIDENT MECHANICAL FAILURE OR MALFUNCTION WITHIN THE ENGINE OR ITS ACCESSORIES. HOWEVER, ANALYSIS OF THE FUEL TAKEN FROM THE SYSTEM REVEALED THAT IT WAS CONTAMINATED WITH WATER.
Probable Cause: THE PILOT'S IMPROPER AUTOROTATION TOUCHDOWN, WHICH RSULTED IN THE HARD LANDING. A FACTOR WAS THE POWER LOSS DUE TO WATER CONTAMINATED FUEL.
Accident investigation:
 |
|
Sources:
NTSB FTW94LA147
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 08:08 | ASN Update Bot | Added |
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