NTSB Identification: ATL83FA063
14 CFR Part 91: General Aviation
Accident occurred Wednesday, December 15, 1982 in LOUISVILLE, KY
Probable Cause Approval Date: 12/15/1983
Aircraft: MITSUBISHI MU-2B, registration: N5589S
Injuries: 2 Serious,3 Minor.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

A TAKEOFF WAS INITIATED FROM A 3539 FT WET/UPSLOPING RWY. THE GROSS WT OF THE ACFT WAS ABOUT 9300 LBS (300 LBS UNDER THEMAX GROSS WT). THE PLT STATED THE ACFT ACCELERATED, BUT NEVER REACH '107.' AFTER USING ABOUT 2700 FT, THE PLT DECIDED TO ABORT THE TAKEOFF, HE PUT BOTH PROPS IN REVERSE & APPLIED FULL BRAKES. THE ACFT CONTINUED OFF THE DEPARTURE END OF THE RWY, WENT THRU THE PERIMETER FENCE, CROSSED A 4 LANE ROAD & MEDIAN, HIT A UTILITY POLE & FINALLY IMPACTED A LARGE TREE ABOUT 850 FT FROM THE END OF THE RWY. THE PLT USED A 5 DEG FLAP SETTING. THE PERFORMANCE MANUAL SHOWED THAT A TAKE-OFF DISTANCE TO CROSS OVER A 50 FT OBSTRUCTION WAS 1900 FT. THE MANUAL STATED THAT FOR EITHER 5 OR 20 DEG OF FLAPS, ALLOW THE ACFT TO ACCELERATE TO 70 TO 80 KTS, BEFORE APPLYING BACK PRESSURE ON THE ELEVATOR CONTROL, THEN THE ACFT SHOULD LIFT OFF AT ABOUT 93 TO 96 KTS. AN INVESTIGATION DISCLOSED NO POWER PLANT OR CONTROL MALFUNCTION.

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

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND

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

PROCEDURES/DIRECTIVES..NOT FOLLOWED..PILOT IN COMMAND

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

ABORTED TAKEOFF..DELAYED..PILOT IN COMMAND


Contributing Factors

OBJECT..FENCE


Contributing Factors

OBJECT..UTILITY POLE


Contributing Factors

OBJECT..TREE(S)

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