Aviation Accident Summary CHI91DTG02

MCCLUSKY, ND, USA

Aircraft #1

N6735

SIKORSKY H-19-UH19D

Analysis

PILOT WAS MAKING A SPRAY RUN ALONG A CANAL APPROXIMATELY 75 FEET BELOW GROUND LEVEL. HE BEGAN TO CLIMB OUT OF THE CANAL. HE LOST ALL POWER AS HE CLEARED THE CANAL EDGE AND MADE A HARD LANDING. THE MAIN ROTOR BLADES SEVERED THE TAIL BOOM ON LANDING. INVESTIGATION REVEALED A FAILURE OF THE BLOWER/SUPERCHARGER SEAL.

Probable Cause and Findings

FAILURE OF THE ENGINE BLOWER/SUPERCHARGER ASSEMBLY. A FACTOR RELATED TO THE ACCIDENT WAS: NO SUITABLE TERRAIN IN WHICH TO MAKE AN IMMEDIATE EMERGENCY LANDING.

 

Source: NTSB Aviation Accident Database

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