Aviation Accident Summaries

Aviation Accident Summary SEA89LA071

GRANGEVILLE, ID, USA

Aircraft #1

N4340S

AIR TRACTOR AT-301

Analysis

A PARTIAL POWER LOSS OCCURRED DRG INITIAL CLIMB. THE PLT JETTISONED HIS LOAD & LANDED IN A SOFT FIELD ABOUT 3/4 MI FROM THE RWY, WHERE THE ACFT NOSED OVER. A FIRE ERUPTED, WHICH SELF-EXTINGUISHED MINUTES LATER. THE OPERATOR RPRTD THAT A 10 INCH DROP IN MANIFOLD PRESSURE HAD OCCURRED & THAT A SUSPECTED BLOWER FAILURE WAS THE REASON FOR THE POWER LOSS.

Probable Cause and Findings

A PARTIAL POWER LOSS DUE TO A BLOWER FAILURE. A FACTOR RELATED TO THE ACCIDENT WAS THE SOFT FIELD CONDITION.

 

Source: NTSB Aviation Accident Database

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