Aviation Accident Summary FTW90DRA04

GARWOOD, TX, USA

Aircraft #1

N5295

GRUMMAN 164A

Analysis

VERY SHORTLY AFTER TAKEOFF THE PILOT HEARD A 'HISSING SOUND' AND IMMEDIATELY STARTED DUMPING HIS CHEMICAL LOAD. HE WAS HOLDING THE NOSE UP IN AN EFFORT TO STAY AIRBORNE AND COMPLETE THE DUMP WHEN ALL POWER WAS LOST. THE AIRPLANE THEN STALLED FROM ABOUT 20 FEET AND NOSED OVER UPON IMPACT. AN FAA INSPECTOR REPORTED THAT THERE WAS A CRACK IN THE COMBUSTION CHAMBER AREA OF THE NUMBER NINE CYLINDER, WHICH RAN FORE AND AFT THROUGH THE SPARKPLUG HOLES.

Probable Cause and Findings

FAILURE OF THE NUMBER 8 CYLINDER.

 

Source: NTSB Aviation Accident Database

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