NTSB Identification: ATL98FA030.
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Accident occurred Tuesday, December 23, 1997 in TALLAHASSEE, FL
Probable Cause Approval Date: 02/15/2000
Aircraft: Piper PA-28-181, registration: N8074Z
Injuries: 2 Fatal.
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.
The pilot was executing the ILS runway 36 approach when the airplane struck a 150 foot high power line, located about 2.5 miles south of the airport. The local air traffic controller stated that shortly after clearing the accident airplane to land, the tower had a power interruption which caused the radar to blink and get skewed. She then noticed the airplane's data block disappeared. Prior to the power outage, she had been looking out the window to check the weather conditions, and did not notice any problems with the airplane. The approach controller stated he did not notice anything unusual with the airplane after handing it off to the tower. He stated the airplane's altitude appeared normal, and he did not see it deviate from the localizer. According to the supervisor, he saw a low altitude alert for the airplane, which was followed shortly by the interruption of power to the building. He did not see the airplane make any lateral deviations from the localizer. The reported weather consisted of a 500 feet overcast and 3 miles visibility. Examination of the airplane did not disclose evidence of mechanical malfunction. The minimum altitude for the approach was 376 feet above the ground. A flight test of the ILS navigational facility did not disclose anomalies.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot's failure to maintain the proper glidepath and adequate obstacle clearance which resulted in collision with a power transmission line. Full narrative available
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