Aviation Accident Summaries

Aviation Accident Summary FTW90DRG04

MISSION, TX, USA

Aircraft #1

N3653W

Air Tractor AT-301

Analysis

AFTER SPRAYING THE FIELD THE PILOT WAS 'CLEANING UP THE END' AND WAS FLYING ON THE LEE SIDE OF TREES WHEN HE FELT THE LEFT WING DROP. ACCORDING TO THE PILOT, EITHER THE LANDING GEAR OR THE LEFT WING CAUGHT IN THE 3 1/2 FOOT TALL GRAIN, AND HE WAS UNABLE TO RAISE THE WING. THE AIRPLANE CAME TO REST ABOUT 165 YARDS AFTER INITAIL TERRAIN IMPACT. THE PILOT FELT THAT HE ENCOUNTERED MECHANICAL TURBULENCE, CAUSING THE INITIAL LOSS OF CONTROL.

Probable Cause and Findings

THE PILOT'S FAILURE TO MAINTAIN PROPER CLEARANCE ABOVE THE CROPS HE WAS SPRAYING. A FACTOR WAS THE TREE INDUCED MECHANICAL TURBULENCE ENCOUNTERED DURING THE DESCENDING TURN.

 

Source: NTSB Aviation Accident Database

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