Aviation Accident Summary MIA92LA179

SATARTIA, MS, USA

Aircraft #1

N4333S

Air Tractor AT-301

Analysis

DURING THE LANDING ROLL WITH THE BRAKES APPLIED, THE ACFT VEERED OFF THE LT SIDE OF THE GRASS AIRSTRIP & COLLIDED WITH A TELEPHONE POLE. EXAM OF THE ACFT REVEALED THAT THE RT BRAKE LINE WHICH WAS ATTACHED TO THE PARKING BRAKE ASSY WAS SEPARATED. EXAM OF THE LINE REVEALED THAT A BOGUS PART WAS INSTALLED RESULTING IN THE SEPARATION. NO DETERMINATION COULD BE MADE WHO PERFORMED THE IMPROPER REPAIR.

Probable Cause and Findings

FAILURE OF THE BRAKE SYSTEM DUE TO INSTALLATION OF A BOGUS PART BY AN UNKNOWN PERSON. DIRECTIONAL CONTROL BY THE PILOT IN COMMAND WAS NOT POSSIBLE.

 

Source: NTSB Aviation Accident Database

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