ASN Wikibase Occurrence # 385936
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| Date: | Monday 7 May 2001 |
| Time: | 09:35 LT |
| Type: |  Hiller UH-12E |
| Owner/operator: | Miller Aero Service, Inc. |
| Registration: | N40296 |
| MSN: | 5149 |
| Total airframe hrs: | 1531 hours |
| Engine model: | Lycoming VO-540-C2A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Conchas, NM -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Conchas, NM (NONE) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was conducting low level wildlife surveillance. He stated that the atmosphere was humid. When the helicopter was refueled, he noticed that the carburetor had accumulated condensation from the humid air. The pilot departed and after 5 minutes of flight, he noticed that the carburetor air temperature gauge was reading in the lower one third of the yellow caution range. When he adjusted the carburetor heat control lever, the engine lost power. The pilot made an autorotation to an open area. The helicopter landed hard, the main rotor blade contacted and severed the tail boom, and the extended gear legs collapsed.
Probable Cause: the pilot's misjudgment of the flare, which resulted in a hard landing. Contributing factors were weather conditions conducive to carburetor icing, the pilot's delay in applying carburetor heat, and his inattention to the carburetor air temperature gauge.
Accident investigation:
 |
|
Sources:
NTSB DEN01TA095
History of this aircraft
Other occurrences involving this aircraft
| 18 July 1985 | N40296 | Private | 0 | Pickens, SC | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Apr-2024 09:24 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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