ASN Wikibase Occurrence # 287791
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| Date: | Saturday 28 April 2012 |
| Time: | 23:40 LT |
| Type: |  Eurocopter AS 350 B2 |
| Owner/operator: | Eagle Med LLC |
| Registration: | N406EM |
| MSN: | 9042 |
| Year of manufacture: | 2001 |
| Total airframe hrs: | 6530 hours |
| Engine model: | Honeywell LTS 101 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Hugo, Oklahoma -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Training |
| Departure airport: | Hugo Airport, OK (HUJ/KHHW) |
| Hugo Airport, OK (HUJ/KHHW) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A check airman was giving the pilot-in-command (PIC) an annual check ride with night vision goggles in the emergency medical service helicopter. After a satisfactory slope landing, the PIC repositioned the helicopter to a flat area and performed a hovering autorotation, which resulted in a hard landing. The check airman then demonstrated a second hovering autorotation, and the PIC performed another hovering autorotation that was satisfactory. The check airman continued the annual check ride. After the flight, during a post-flight examination, substantial damage was discovered to the tail boom and the aft portion of the fuselage. The damage was consistent with a hard landing, presumably incurred during the first hovering autorotation in which the helicopter landed hard. In a statement provided to the NTSB, the check airman said that he should have guarded the collective more to limit the amount of control input during the practice autorotation maneuvers.
Probable Cause: The pilot's inadequate collective control inputs while performing a hovering autorotation, which resulted in a hard landing. Contributing to the accident was the check airman's delayed remedial action.
Accident investigation:
 |
|
Sources:
NTSB CEN12CA269
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 14:29 | ASN Update Bot | Added |
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