Aviation Accident Summaries

Aviation Accident Summary CHI91LA138

MILLARD, NE, USA

Aircraft #1

N5421Z

PIPER PA-22-108

Analysis

THE PILOT SAID THAT SHORTLY AFTER TAKEOFF, AN ELECTRICAL FIRE ERUPTED UNDER THE PASSENGER'S SEAT. AN EMERGENCY LANDING WAS MADE WHICH RESULTED IN DAMAGE TO THE AIRPLANE. THE AIRPLANE WAS DESTROYED BY A POST-LANDING FIRE. POST-ACCIDENT INVESTIGATION REVEALED THAT THE AIRPLANE HAD BEEN STARTED WITH A 24 VOLT BOOST INSTEAD OF A 12 VOLT BOOST WHICH RESULTED IN MELTED WIRES AND THE SUBSEQUENT SHORT AND FIRE.

Probable Cause and Findings

IMPROPER USE OF APU BY UNKNOWN PERSONNEL WHICH RESULTED IN THE AIRPLANE'S ELECTRICAL WIRING MELTING AND SUBSEQUENT SHORT.

 

Source: NTSB Aviation Accident Database

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