NTSB Identification: FTW90DPG08.
The docket is stored on NTSB microfiche number 43456.
Accident occurred Tuesday, August 14, 1990 in CORNING, AR
Probable Cause Approval Date: 11/23/1992
Aircraft: AIR TRACTOR AT-301, registration: N4433S
Injuries: 1 Serious.

A TOTAL POWER LOSS OCCURRED SHORTLY AFTER TAKEOFF AND THE PILOT PERFORMED A FORCED LANDING IN A MUDDY RICE/BEAN FIELD. AFTER LANDING THE AIRPLANE BOUNCED ONCE AND NOSED OVER. FAA INSPECTORS FOUND THAT THE AIR INDUCTION HOSE WAS COLLAPSED AND THAT A 60 DEGREE ALUMINUM ELBOW WAS LOOSE FROM ITS CLAMPS, BLOCKING THE AIR ENTRANCE TO THE CARBURETOR. THE OPERATOR SUBSEQUENTLY TEST RUN THE ENGINE FINDING NO ADDITIONAL DISCREPANCIES.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

BLOCKAGE OF THE CARBURETOR AIR INTAKE BY A COLLAPSED AIR INDUCTION HOSE DUE TO IMPROPER MAINTENANCE BY AN UNKNOWN PARTY.

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