ASN Wikibase Occurrence # 290805
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| Date: | Tuesday 22 September 2015 |
| Time: | 10:30 LT |
| Type: |  Robinson R44 |
| Owner/operator: | Airmen Testing And Training Inc. |
| Registration: | N44XL |
| MSN: | 1006 |
| Year of manufacture: | 2001 |
| Total airframe hrs: | 4437 hours |
| Engine model: | Lycoming O-540-F1B5 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | West Palm Beach, Florida -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | West Palm Beach, FL (LNA |
| West Palm Beach, FL (LNA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter flight instructor reported that during a local instructional flight, he was demonstrating a 180 degree autorotation to the ground. The flight instructor reported he entered the autorotation and everything was normal. During the flare, too much aft cyclic input was used and the helicopter touched down on the heels of the skids. The flight instructor reported the touchdown was not excessively hard or uneven. A post flight examination of the helicopter revealed that the main rotor blade had contacted the tail boom, causing substantial damage to the tail boom.
The flight instructor reported that there were no preimpact mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
Probable Cause: The flight instructor's improper use of pitch control during a demonstrated 180 degree autorotation which resulted in damage to the tail boom.
Accident investigation:
 |
|
Sources:
NTSB GAA15CA280
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Oct-2022 19:50 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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