Aviation Accident Summaries

Aviation Accident Summary MIA91FA140

Aircraft #1

N134FS

MCDONNELL DOUGLAS DC-3C

Analysis

THE AIRPLANE SUSTAINED A PARTIAL LOSS OF ENGINE POWER ON THE LEFT ENGINE ON TAKEOFF CLIMB DUE TO THE FAILURE OF THE NO. 8 ENGINE ASSEMBLY CYLINDER. THE AIRPLANE WAS OBSERVED BY WITNESSES AT 400 FEET AGL IN A 20 DEGREE LEFT BANK WHILE MANEUVERING TO RETURN TO THE DEPARTURE AIRPORT. THE ANGLE OF BANK INCREASED TO 60 DEGREES WITH A NOTICEABLE DECREASE IN AIRSPEED WHILE THE AIRPLANE DESCENDED BELOW 300 FEET AGL. THE LEFT WING DROPPED 90 DEGREES TO THE LEFT AND THE NOSE PITCHED DOWN VERTICALLY. THE AIRPLANE APPEARED TO REGAIN ELEVATOR AUTHORITY AND LEVELED OUT BEFORE ENCOUNTERING A SECONDARY STALL. THE AIRPLANE COLLIDED WITH THE TERRAIN AND WAS DESTROYED BY POSTCRASH FIRE.

Probable Cause and Findings

THE PILOT IN COMMAND'S FAILURE TO MAINTAIN AIRSPEED (VS) AFTER A PARTIAL LOSS OF ENGINE POWER ON THE LEFT ENGINE DUE TO FAILURE OF THE NO. 8 ENGINE ASSEMBLY CYLINDER. THIS RESULTED IN AN IN FLIGHT LOSS OF CONTROL (STALL), AND IN FLIGHT COLLISION WITH TERRAIN.

 

Source: NTSB Aviation Accident Database

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