NTSB Identification: IAD99LA050.
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Accident occurred Friday, June 25, 1999 in LOCK HAVEN, PA
Probable Cause Approval Date: 06/21/2000
Aircraft: Boeing Stearman PT17, registration: N61467
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.

The pilot stated that while in cruise flight, above a river, the airplane 'apparently struck an unseen object and departed controlled flight.' He thought the object was an unmarked cable that ran across the river. He had noticed these cables on previous flights because they were usually marked with orange balls. The pilot stated there were no mechanical deficiencies that may have led to the accident. A witness observed the aircraft pitch up, roll hard to the left, impact the ground 'straight up and down', and catch fire. An FAA Inspector reported there were telephone wires 50-150 feet high across the river.

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

the pilot's improper inflight decision to fly at an inadequate altitude and his improper visual lookout which resulted in a collision with wires.

Full narrative available

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