ASN Wikibase Occurrence # 42760
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| Date: | Monday 19 April 1999 |
| Time: | 12:46 |
| Type: |  Beechcraft T-34A Mentor |
| Owner/operator: | Sky Warriors Aerial Laser Combat |
| Registration: | N140SW |
| MSN: | G-130 |
| Total airframe hrs: | 3200 hours |
| Engine model: | Continental IO-550 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Rydal, GA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Demo/Airshow/Display |
| Departure airport: | Fulton County Airport, GA (KFTY) |
| Fulton County Airport, GA (KFTY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
On April 19, 1999, at 1246 eastern daylight time, a Beech T-34A, N140SW, collided with the ground following the in-flight separation of the right wing near Rydal, Georgia. The laser combat simulation flight, "dogfight", was operated by Sky Warriors Aerial Laser Combat under the provisions of Title 14 CFR Part 91 with no flight plan filed. Visual weather conditions prevailed at the time of the accident. The air transport pilot/safety pilot (pilot-in-command) and the pilot/client were fatally injured. The flight departed Fulton County Airport in Atlanta, Georgia, at 1200.
The simulated combat flight made a course change maneuver associated with a climb or a descent. The accident airplane preformed the maneuver with a descending left turn. While descending and turning, the safety pilot instructed the client to turn harder and to bury the nose. While following the safety pilot's instructions the right wing assembly separated from the airframe. The main airplane wreckage collided with the ground along the edge of a wooded area of a subdivision. The right wing assembly was located approximately 1/2 mile north of the main wreckage. Examination of the airplane disclosed fatigue cracking in the spar material in the vicinity of wing spar fracture face. The T-34A design 'G' load limits are 6.0 and -3.0.
Probable Cause: Fracture of the wing spar as a result of fatigue cracking that occurred over an unknown number of flights and flight hours with a wing loading spectrum not anticipated during design of the airplane.
(This report was modified on November 2, 2005)
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001205X00416&key=1
ex.USAF/53-3369.
Images:
Photo: NTSB
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 28-Jun-2016 18:46 | TB | Updated [Operator, Narrative] |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 26-Nov-2017 12:42 | ASN Update Bot | Updated [Operator, Nature, Departure airport, Source, Narrative] |
| 08-Feb-2022 09:51 | A.J.Scholten | Updated [Source] |
| 13-Oct-2022 08:08 | Captain Adam | Updated [Operator, Location, Nature, Departure airport, Destination airport, Narrative, Accident report, Photo] |
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