Aviation Accident Summaries

Aviation Accident Summary DEN82FA061

PARKER, CO, USA

Aircraft #1

N6859A

CESSNA 150

Analysis

AT ABOUT 150 FT AGL & BEYOND THE RWY DEPARTURE END THE ENG LOST POWER. THE ACFT IMPACTED AN EMBANKMENT DURING THE ATTEMPT TO RETURN TO THE ARPT. ENG EXAM REVEALED THAT THE #1 CYLINDER PISTON COMPRESSION RING WAS BROKEN CORRESONDING TO GROOVES ON THE CYLINDER. THE CONROD BEARING WAS DESTROYED. THE CRANKSHAFT NEXT TO THE BEARING BORE EVIDENCE OF BURNISHING & SOME BLUING OR HEAT DAMAGE. A FLT IN THIS ACFT WAS TERMINATE AFTER 1 HR ON 3/27 DUE TO LOW OIL PRESSURE & SMOKE IN THE COCKPIT. A LARGE AMOUNT OF OIL WAS FOUND AROUND THE ENG & FUSELAGE. 5 QTS OF OIL WERE ADDED. THE ACFT HAD FLOWN 0.6 HR PRIOR TO THE ACCIDENT FLT. THIS FLT WAS TERMINATED DUE TO UNUSUAL ENG NOISES & A DECREASE IN RPM. THE PLT WROTE A NOTE DESCRIBING THE ENG PROBLEM & PLACED THE NOTE ON THE LEFT SEAT OF THE COCKPIT. NEITHER PLT IN THIS ACCIDENT RECALLED SEEING ANY NOTE IN THE ACFT DURING PREFLIGHT.

 

Source: NTSB Aviation Accident Database

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