ASN Wikibase Occurrence # 290675
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| Date: | Monday 24 February 2014 |
| Time: | 14:30 LT |
| Type: |  Robinson R44 II |
| Owner/operator: | Private |
| Registration: | N360AH |
| MSN: | 12594 |
| Year of manufacture: | 2009 |
| Total airframe hrs: | 543 hours |
| Engine model: | Lycoming IO-540-AE1A5 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Presidio, Texas -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Presidio, TX |
| Presidio, TX | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that he was surveying ranch land and that the helicopter was hovering about 12 to 15 feet above the ground just before the accident. While transitioning to forward flight, the helicopter was unable to maintain sufficient power and altitude. The low rotor rpm horn sounded, and the pilot decreased the collective to try to "fly out of it," but the helicopter was too close to the ground. The helicopter subsequently lost tail rotor effectiveness and spun around once before impacting the ground and rolling over. The pilot reported no mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
Probable Cause: The pilot's failure to maintain sufficient rotor rpm when transitioning the helicopter from a hover to forward flight, which resulted in a loss of helicopter control.
Accident investigation:
 |
|
Sources:
NTSB CEN14LA149
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Oct-2022 18:02 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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