NTSB Identification: FTW85LA294.
The docket is stored on NTSB microfiche number 30444.
Accident occurred Saturday, August 03, 1985 in PORT ISABEL, TX
Aircraft: NORTH AMERICAN AT-6, registration: N4434N
Injuries: 2 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 ACFT WAS SUBSTANTIALLY DAMAGED WHEN IT UNDERSHOT THE RUNWAY AND CARTWHEELED DURING AN EMERGENCY LANDING FOLLOWING AN ENGINE FAILURE IN THE TRAFFIC PATTERN. THE PLT REPORTED THAT INITIAL EXAMINATION OF THE ENGINE REVEALED THAT INITIAL EXAMINATION OF THE ENGINE REVEALED THAT 4 CYLINDER HEADS WERE CRACKED AND SEPARATED FROM THE BARRELS. NO ADDITIONAL INFORMATION HAS BEEN RECEIVED REGARDING THE CAUSE OF THE ENGINE FAILURE.

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

ENGINE ASSEMBLY,CYLINDER..CRACKED

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

TERRAIN CONDITION..ROUGH/UNEVEN

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

TERRAIN CONDITION..NONE SUITABLE

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

ENGINE ASSEMBLY,CYLINDER..SEPARATION

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