Aviation Accident Summaries

Aviation Accident Summary CHI83LA372

WHEELING, IL, USA

Aircraft #1

N35083

CESSNA 177B

Analysis

THE PLT WAS UNABLE TO START THE ENG USING NORMAL PROCEDURES. HE OBTAINED THE USE OF AN APU & STILL COULD NOT MAKE AN ELECTRICAL START. HE STATED THAT HE TURNED THE MAGNETO & MASTER SWITCHES OFF & ROTATED THE PROPELLER (PROP) BACKWARDS 1/2 TURN (TO CHECK FOR BINDING) BUT NO BINDING WAS NOTED. ANOTHER APU START WAS ATTEMPTED, BUT TO NO AVAIL. ACCORDING TO THE PLT, HE TURNED THE MAGNETO & MASTER SWITCHES OFF AGAIN & INTENDED TO TURN THE PROP FORWARD ABOUT 5 DEG. HE STATED THAT 'UPON TOUCHING THE PROP, ENG FIRED & PROP HIT RIGHT ARM CAUSING COMPOUND, MULTIPLE FRACTURE.' THE LINE CHIEF STATED THAT HE & THE PLT VERIFIED THAT THE SWITCHES WERE IN THE OFF POSITION. HOWEVER, LATER, WHEN THE IGNITION SYS WAS CHECKED, NO DISCREPANCIES WERE FOUND. ALSO, AN AD HAD BEEN COMPLIED WITH TO PREVENT IGNITION WHEN THE SWITCH WAS IN THE OFF POSITION. ADDITIONALLY, THE STARTER WAS FOUND TO HAVE FAILED (BURNED OUT).

 

Source: NTSB Aviation Accident Database

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