NTSB Identification: FTW85LA198.
The docket is stored on NTSB microfiche number 29538.
Accident occurred Thursday, April 25, 1985 in TILDEN, TX
Aircraft: PARTENAVIA P68C, registration: N76L
Injuries: 1 Serious.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

AFTER APRX 1.5 HRS OF PIPELINE PATROL FLIGHT AT A PLANNED ALTITUDE OF 500 AGL THE ACFT FLEW INTO THE FLAT TERRAIN IN A LANDING ATTITUDE. THE ACFT WENT THROUGH A WIRE FENCE, HEAVY BRUSH AND SMALL TREES BEFORE COMING TO REST 437 FT FROM INITIAL GROUND CONTACT WITH ALL 3 GEAR COLLAPSED. A PHYSICAL EXAMINATION AND THE PILOT'S STATEMENT INDICATE THAT THE PILOT WAS OPERATING UNDER AN EXTREME AMOUNT OF STRESS WHICH MAY HAVE RESULTED IN CHRONIC FATIGUE AT THE TIME OF THE ACCIDENT. ACCORDING TO THE PILOT, HE WAS ACCUSTOMED TO A VERY HEAVY FLIGHT SCHEDULE. THE CHIEF PILOT ATTEMPTED TO ASSIGN AN ADDITIONAL PILOT BUT COMPANY BUDGET CONSTRAINTS PREVENTED SUCH AN ASSIGNMENT.

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

PROPER ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND

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

DESCENT..INADVERTENT..PILOT IN COMMAND



Contributing Factors

FATIGUE(CHRONIC)..PILOT IN COMMAND


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