ASN Wikibase Occurrence # 37815
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| Date: | Sunday 4 May 1997 |
| Time: | 12:40 LT |
| Type: | Marsh-Turner BG-12A |
| Owner/operator: | Mark A. Savage |
| Registration: | N8711R |
| MSN: | 12035 |
| Total airframe hrs: | 988 hours |
| Engine model: | Continental%20O-300-D |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Marion, OH -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | (KMNN) |
| Columbus, OH (KCMH) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
With the owner at the flight controls, the experimental homebuilt glider was under tow to take it to another airport. Witnesses reported that about 1 minute after departure, the glider entered into a series of divergent pitch oscillations which terminated in a near vertical dive into a field. The tow rope separated during the oscillations. According to an FAA report, '...The rod end of the elevator/aileron control stick was found pulled out of push rod. The meal casing that the rod end fitted into was crushed. The rod end contained 1 fastener (rivet) core with signs of fretting and scoring, with the remaining attaching fastener core missing....' The last annual inspection was performed in August 1995. The glider was operated on an FAA special flight permit, which required either an inspection by an aircraft mechanic or a repair shop before the flight. No record of the inspection was found by the FAA inspectors.
Probable Cause: Disconnection of the elevator control rod which resulted in the loss of elevator control. A factor was failure to complete the required maintenance inspection.
Accident investigation:
 |
|
Sources:
NTSB NYC97LA085
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 08-Apr-2024 15:38 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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