NTSB Identification: CHI95LA073.
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Accident occurred Friday, January 20, 1995 in ANGOLA, IN
Probable Cause Approval Date: 07/24/1995
Aircraft: CESSNA 421C, registration: N421AW
Injuries: 3 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE AIRPLANE TOUCHED DOWN ON THE LEFT MAIN LANDING GEAR AND THEN THE RIGHT MAIN LANDING GEAR. THE PILOT SAID THE AIRPLANE PULLED TO THE RIGHT AFTER ITS RIGHT TIRE HAD TOUCHED DOWN. A PASSENGER SAID THE RIGHT MAIN LANDING GEAR TOUCHED DOWN HARD. ITS TOUCH DOWN WAS FOLLOWED BY A 'THUD' SOUND. AFTER THE THUD SOUND THE RIGHT WING LOWERED UNTIL IT TOUCHED THE RUNWAY. THE ON-SCENE INVESTIGATION REVEALED OVERLOAD FRACTURES ON THE LANDING GEAR'S SHOCK STRUT SLEEVE AND METAL SHAVING IN THE STRUT'S LOWER ATTACH FITTING HOLE. THE LEADING EDGE DEICING BOOTS ON THE WING AND HORIZONTAL STABILIZER HAD 1/4 TO 1/2 INCH OF ICE COVERING ABOUT 50 PERCENT OF THEIR SURFACE.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

OVERLOAD FAILURE OF THE RIGHT MAIN LANDING GEAR SHOCK STRUT SLEEVE FOR AN UNKNOWN REASON.

Full narrative available

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