Aviation Accident Summaries

Aviation Accident Summary CHI86FA193

FOND DU LAC, WI, USA

Aircraft #1

N137JM

CAPETOWN BUILDERS GLASAIR RG

Analysis

THE PILOT EXPERIENCED A COMPLETE ELECTRICAL SYSTEM FAILURE THAT WAS CAUSED BY A BROKEN WIRE AT AN ALTERNATOR TERMINAL. UPON EXTENSION OF THE HYDRAULICALLY OPERATED LANDING GEAR A SAFE GEAR DOWN INDICATION WAS NOT OBTAINED. ACTIVATION OF THE CO2 OPERATED EMERGENCY GEAR EXTENSION SYSTEM FAILED TO PROVIDE A SAFE GEAR DOWN INDICATION. THE PILOT WAS UNABLE TO COMMUNICATE WITH ANY FACILITY TO DETERMINE THE POSITION OF THE LANDING GEAR BECAUSE OF THE LOSS OF ELECTRICAL POWER. HE ELECTED TO LAND ON THE GRASS ADJACENT TO THE RUNWAY. THE GEAR WAS DOWN AND UPON TOUCHDOWN, THE NOSE GEAR COLLAPSED WHEN IT DUG INTO THE SOFT TERRAIN. THE AIRCRAFT THEN FLIPPED INVERTED.

 

Source: NTSB Aviation Accident Database

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