ASN Wikibase Occurrence # 291059
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| Date: | Tuesday 5 May 2015 |
| Time: | 17:00 LT |
| Type: |  Hughes TH-55A Osage |
| Owner/operator: | |
| Registration: | N7089S |
| MSN: | 0924 |
| Year of manufacture: | 1969 |
| Total airframe hrs: | 12891 hours |
| Engine model: | Lycoming HIO-360-B1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Morganton Airport, NC -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Morganton-Foothills Regional Airport, NC (KMRN) |
| Morganton-Foothills Regional Airport, NC (KMRN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a local flight a flight instructor and pilot receiving instruction remained in the traffic pattern to practice simulated auto rotations. The flight instructor reported that he was demonstrating a straight-in auto rotation with a full touchdown landing. He stated he flared too late, the tail rotor blades impacted the ground and the tail rotor assembly separated. Subsequently, the helicopter skidded on the grass and rolled over on its left side. The helicopter sustained substantial damage to the fuselage and the tail boom.
The flight instructor and pilot receiving instruction reported no mechanical malfunctions or failures with the helicopter that would have precluded normal operation.
Probable Cause: The flight instructor's delayed flare during a simulated auto rotation, which resulted in a tail rotor strike and rollover.
Accident investigation:
 |
|
Sources:
NTSB GAA15CA061
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Oct-2022 09:00 | ASN Update Bot | Added |
| 12-Sep-2023 07:27 | Ron Averes | Updated |
Corrections or additions? ... Edit this accident description
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