Aviation Accident Summary CHI92DEE02

SCHAUMBURG, IL, USA

Aircraft #1

N4PV

VANDENBOS/THORP T-18

Analysis

THE HOMEBUILT AIRPLANE LOST ENGINE POWER DURING INITIAL CLIMB FROM TAKEOFF, AND THE PILOT MADE A FORCED LANDING IN A SWAMP. BOTH MAGNETOS FAILED FUNCTIONAL TEST. ON DISASSEMBLY, BOTH MAGNETOS EXHIBITED BURNED POINTS, PITTED ROTORS, SHORTED CONDENSERS AND OTHER DISCREPANCIES.

Probable Cause and Findings

SHORTING OF CONDENSERS ON BOTH MAGNETOS. A FACTOR WAS INADEQUATE MAINTENANCE SERVICING OF THE AIRPLANE BY OTHER MAINTNEANCE PERSONNEL.

 

Source: NTSB Aviation Accident Database

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