Aviation Accident Summaries

Aviation Accident Summary CHI89FA036

JEFFERSONVILLE, IN, USA

Aircraft #1

N6100N

BEECH B23

Analysis

WITNESSES RPRTD THAT WHILE THE ACFT WAS ON THE INITIAL CLIMB AFTER TAKING OFF FROM RWY 36, THERE WAS A PARTIAL LOSS OF ENG POWER. THEY RPRTD THE ACFT ENTERED A TURN TO THE WEST & FLEW OVER TREES BETWEEN RWYS 36 & 14 AT A RELATIVELY LOW ALTITUDE. THE ACFT THEN ENTERED A STEEP LEFT TURN AS IF TO LINE UP WITH RWY 14. WITNESSES REPORTED THAT THE ACFT THEN ROLLED ABRUPTLY TO THE RIGHT, ENTERED A STEEP DESCENT & CRASHED. AN EXAM OF THE ACFT ENG REVEALED THE LEFT MAGNETO WAS LOOSE & COULD BE ROTATED IN ITS MOUNT IN EITHER DIRECTION. ALSO, WHEN THE #3 CYLINDER WAS REMOVED, IT WAS FOUND TO HAVE A CIRCUMFERENTIAL CRACK APRX HALF WAY AROUND THE HEAD. ONE EXHAUST STUD WAS MISSING FROM THE CYLINDER & THERE WAS EVIDENCE THE ENG HAD BEEN OPERATING WITH AN EXHAUST LEAK ON THE CYLINDER. THE ENG HAD ACCUMULATED ONLY 274 HRS SINCE MAJOR OVERHAUL.

Probable Cause and Findings

PILOT-IN-COMMAND'S POOR INFLIGHT DECISION IN ATTEMPTING TO RETURN TO THE AIRPORT AFTER A PARTIAL ENGINE FAILURE, AND HIS ENCOUNTERING A STALL/SPIN AT LOW ALTITUDE FROM WHICH HE WAS UNABLE TO RECOVER.

 

Source: NTSB Aviation Accident Database

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