NTSB Identification: MIA85IA120.
The docket is stored on NTSB microfiche number 27826.
Nonscheduled 14 CFR operation of APA INTERNATIONAL AIR, S.A.
Incident occurred Friday, March 15, 1985 in MIAMI, FL
Aircraft: DOUGLAS DC-6B, registration: N55CA
Injuries: 3 Uninjured.
NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.
CREW STATED THAT ON TAKEOFF ROLL THE NUMBER FOUR ENGINE FAILED AND AN ABORTED TAKEOFF WAS INTIATED. DURING THE DECELLERATION AFTER THE THROTTLES WERE CLOSED THE NUMBER FOUR ENGINE SEIZED AND THE NUMBER FOUR PROPELLER SEPARATED WHEN THE PROPELLER SHAFT FAILED. INSPECTION OF THE PROPELLER SHAFT REVEALED IT SHEARED OFF EIGHT INCHES FROM THE TIP,AND EXHIBITED NO EVIDENCE OF A PRIOR CRACK. INSPECTION OF THE ENGINE OIL SCREENS REVEALED THE PRECENTS OF METAL CONTAMINATION. THE OPERATOR HAD NO PLANS TO DISASSEMBLE THE ENGINE. BUT PLANNED TO EXCHANGE IT FOR AN OVERHAULED ENGINE. THE EXPCT CAUSE OF THE ENGINES INTERNAL FAILURE WAS NOT DETERMINED.
The National Transportation Safety Board determines the probable cause(s) of this incident to be:ENGINE ASSEMBLY..FAILURE,TOTAL
The National Transportation Safety Board determines the probable cause(s) of this incident to be:ENGINE ASSEMBLY..UNDETERMINED
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