ASN Wikibase Occurrence # 386160
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| Date: | Sunday 4 March 2001 |
| Time: | 14:00 LT |
| Type: | Aviastroitel AC-5M |
| Owner/operator: | Bill Ard |
| Registration: | N1635M |
| MSN: | 003 |
| Total airframe hrs: | 5 hours |
| Engine model: | Zanzottera MZ-35 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Bozeman, MT -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Bozeman, MT |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Prior to takeoff in a powered glider, the pilot opened and closed the canopy a number of times in order to communicate with members of his ground crew. When he was given clearance for departure, he closed the canopy one last time, but inadvertently did not get the latching mechanism fully engaged. After liftoff, as the aircraft climbed to about 30 feet above the runway, the canopy unexpectedly swung open. The pilot's attention was then momentarily diverted to the open canopy, and when he looked back toward the front of the aircraft, it was just about to impact the surface of the runway in a nose-down attitude. It was later determined that he had not reviewed his checklist just prior to departure to ensure that he had accomplished all critical items.
Probable Cause: the pilot's improper remedial action upon experiencing the unexpected opening of the aircraft's canopy during the initial part of the takeoff climb. Factors include his attention being diverted to the open canopy, his failure to use a checklist to ensure he did not miss any critical pre-takeoff actions, his failure to lock the canopy, and the unintentional opening of the canopy after liftoff.
Accident investigation:
 |
|
Sources:
NTSB SEA01LA058
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Apr-2024 11:51 | ASN Update Bot | Added |
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