AIR TRACTOR INC AT 502B near Basile, LA — 2015-05-05
- Date
- 2015-05-05
- Location
- Basile, LA, USA
- Aircraft
- AIR TRACTOR INC AT 502B
- Registration
- N4221G
- Category
- Airplane
- Highest injury
- Fatal
- Fatalities
- 1
- Phase of flight
- Maneuvering
Probable cause
The pilot’ failure to maintain adequate clearance from trees while maneuvering during an aerial application flight.
NTSB narrative
The operator reported that the pilot was applying dry, granular fertilizer to a rice field. During the last application pass, the airplane's left wing struck trees. The airplane then struck several additional trees, traveled about 550 ft, and impacted terrain. A postimpact fire ensued and subsequently consumed a majority of the airplane. Although the wreckage was significantly fragmented and damaged by fire, no evidence of any preimpact mechanical malfunctions or failures of the airframe or engine were noted that would have precluded normal operation. Examination of the accident site and wreckage revealed tree strikes and left wing damage that were consistent with the pilot's failing to maintain clearance from the trees while maneuvering at a low altitude.
Analysis
- Primary failure mode
- Loss of control
- First missed decision gate
- Pilot could have avoided trees during final application pass.
NTSB coding
Evidence available
- Photos
- 9 docket documents
Docket documents9
- Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1form
- Statement of Party Representatives to NTSB Investigationinterview
- Accident Site Mapother
- Photo 1 - Debris Field (Air Tractor Photo)photos
- Photo 2 - Left Wingtip (Air Tractor Photo)photos
- Photo 3 - Main Wreckage (Air Tractor Photo)photos
- Photo 4 - Engine and Propeller (Air Tractor Photo)photos
- Excerpt of Party Representative Reportreport
- Toxicological Reportreport
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