ASN Wikibase Occurrence # 291550
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| Date: | Thursday 21 December 2006 |
| Time: | 15:10 LT |
| Type: |  Eurocopter EC120B |
| Owner/operator: | American Eurocopter |
| Registration: | N171AE |
| MSN: | 1377 |
| Year of manufacture: | 2003 |
| Total airframe hrs: | 777 hours |
| Engine model: | Turbomeca Arrius 2F |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Grand Prairie, Texas -
 United States of America
|
| Phase: | Unknown |
| Nature: | Training |
| Departure airport: | Grand Prairie Municipal Airport, TX (KGPM) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While performing a practice 180-degree autorotation, the 5,943-hour flight instructor observed that the student would not make the landing area. The flight instructor took over the helicopter controls and elected to land in the grass near the runway. The helicopter touched-down hard with low rotor energy and at a higher than normal touchdown speed. The helicopter proceeded to skid on the soft grass before digging in and rolling forward on its nose. The rotor blades subsequently impacted the ground before the helicopter rolled and came to rest on its right side. The pilot did not report any abnormalities with the helicopter's flight controls. The winds at the time of the mishap were reported from 260-degrees at 6 knots. The practice area used for the practice autorotations was aligned on a heading of 170-degrees.
Probable Cause: The flight instructor's inadequate remedial action which resulted in a hard landing. A contributing factor was the lack of suitable terrain for the practice autorotation.
Accident investigation:
 |
|
Sources:
NTSB DFW07LA043
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Oct-2022 16:10 | ASN Update Bot | Added |
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