Loss of control Accident Air Tractor AT-502B N6112D, Wednesday 14 May 2008
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Date:Wednesday 14 May 2008
Type:Silhouette image of generic AT5T model; specific model in this crash may look slightly different    
Air Tractor AT-502B
Owner/operator:Rice AG Service
Registration: N6112D
MSN: 502B0279
Year of manufacture:1995
Total airframe hrs:6100 hours
Engine model:Pratt & Whitney PT6A
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Location:Wheatley, 20 miles west of Forrest City, AR -   United States of America
Phase: En route
Departure airport:Wheatley, AR
Destination airport:Wheatley, AR
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
The pilot was making an aerial application run when the airplane stalled and impacted the terrain in a nose-low attitude. A witness reported seeing the airplane make its spray runs and; “nothing [appeared] out of the ordinary.” The witness, who had his back to the airplane, continued with his work then he heard a loud “pop”. As he turned around, he believed he saw a large spray of water when the airplane hit standing water. The witness also reported that the airplane’s engine noise stopped immediately, when he heard the “pop”. An examination of the engine found that the engine was producing mid-to-high power at the time of impact. Additionally, the flap jackscrew was found extended; which corresponded to a full flaps down setting. The airframe manufacturer noted that there is not an approved procedure for making application turns with flaps fully extended. The commercial pilot had a total of 356 flight-hours, of which about 70-hours were in the accident airplane. Examination of the airplane and engine did not disclose any evidence of a mechanical malfunction.
Probable Cause: The pilot's failure to maintain airspeed, resulting in an inadvertent low-altitude aerodynamic stall.

Accident investigation:
Investigating agency: NTSB
Report number: DFW08LA143
Status: Investigation completed
Duration: 1 year and 10 months
Download report: Final report




Revision history:

15-May-2008 12:27 Fusko Added
23-May-2008 02:42 Fusko Updated
21-Dec-2016 19:14 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
21-Dec-2016 19:16 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
21-Dec-2016 19:20 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
03-Dec-2017 10:50 ASN Update Bot Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative]

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