ASN Wikibase Occurrence # 298921
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| Date: | Saturday 3 June 2000 |
| Time: | 08:50 LT |
| Type: |  Schweizer 269C-1 |
| Owner/operator: | Chesapeake Bay Helicopters Inc |
| Registration: | N721CB |
| MSN: | 0021 |
| Year of manufacture: | 1995 |
| Total airframe hrs: | 722 hours |
| Engine model: | Lycoming HO-360-C1A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | CHESAPEAKE, Virginia -
 United States of America
|
| Phase: | Unknown |
| Nature: | Training |
| Departure airport: | (KPVG) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The student pilot was conducting a magneto check with a 90-degree gusty crosswind. As she raised the collective for the check, the helicopter started to wobble and then rolled over. The helicopter was parked on terrain that sloped away from the wind. The student pilot reported that she tried to move the cyclic into the wind to control the wobbling, but she had applied friction to the collective to the point that she could not move it while raising the collective for the magneto check. The FAA approved checklist called for the cyclic and collective frictions to be removed prior to the magneto check. The operator's checklist did not require the removal of the cyclic friction prior to magneto check. However, the operator reported that students were taught never to tighten the cyclic or friction to a degree that it could be moved if needed.
Probable Cause: the failure of the student pilot to reduce the friction on the cyclic prior to raising the collective for the magneto check. A factor was the failure of the company to adequately define the steps in the checklist.
Accident investigation:
 |
|
Sources:
NTSB NYC00LA152
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Oct-2022 00:18 | ASN Update Bot | Added |
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