ASN Wikibase Occurrence # 180011
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| Date: | Saturday 10 July 2004 |
| Time: | 11:35 |
| Type: | Glassic Composites SQ-2000 XL |
| Owner/operator: | Private |
| Registration: | N10736 |
| MSN: | GC-0001 |
| Total airframe hrs: | 386 hours |
| Engine model: | Lycoming 360 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Mark Anton Airport, Dayton, Tennessee -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Dayton, TN (2A0) |
| Dayton, TN (2A0) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the pilot, the purpose of the flight was to practice takeoffs and landings in the traffic pattern. The pilot stated that he reduced engine power and extended the landing gear on the base leg and heard a "pop" noise. He stated that he initially though that the noise might have been a backfire of the engine when he reduced power. He stated that he observed the gear pump indication of cycle complete, a three-green indication of gear extended and locked, and visually observed the left landing gear extended, so he decided to proceed with the approach. He stated that on the landing roll approximately 200-300 yards after touchdown, the left wing began to descend, and he raised the left wing to maintain level, but it slowly made contact with the runway. He stated that he did not apply power for a go-around. He stated directional control of the airplane was lost and the airplane departed the runway surface to the left, and ground looped. The pilot stated that the right main landing gear then collided with a boulder, and the right main and nose landing gear collapsed, and the airplane skidded in the grass on its belly 400-500 feet and collided with a fence. The post-accident examination of the airplane wreckage revealed that the nose and the main landing gear were collapsed and bent and the rod. Further examination revealed that the end bearing head of the hydraulic actuator of the left main landing gear was found broken at the upper neck. The three-bladed wooden propeller was sheared on all blades. The engine appeared to be intact with no visible external damage and the internal engine components rotated freely. Further examination of the rod end bearing head revealed that the fracture was a bending overload failure.
Probable Cause: The pilot's failure to maintain directional control during landing roll, which resulted in a ground loop and the subsequent collapse of the landing gear.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040817X01234&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Sep-2015 14:47 | Noro | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 18:14 | ASN Update Bot | Updated [Cn, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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