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| Date: | Friday 18 October 1985 |
| Time: | 09:25 LT |
| Type: |  Robinson R22 Alpha |
| Owner/operator: | Aviation Training Academy |
| Registration: | N9069G |
| MSN: | 0178 |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 2396 hours |
| Engine model: | Lycoming O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sterling, MA -
 United States of America
|
| Phase: | Taxi |
| Nature: | Training |
| Departure airport: | Sterling, MA (3B3) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ACCIDENT OCCURRED WHEN THE CFI ALLOWED THE STUDENT WHO WAS IN A HOVER MANEUVER TO LOSE ROTOR RPM. THE HELICOPTER DRIFT REARWARD, THE LEFT REAR SKID DUG INTO THE GROUND AND THE HELICOPTER ROLLED OVER. RPM DECAYED SO BADLY THAT THE HELICOPTER COULD NOT RESPOND TO RECOVERY CONTROL INPUTS.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB NYC86LA013
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Mar-2024 12:16 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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