NTSB Identification: SEA98LA155.
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Accident occurred Friday, July 03, 1998 in DOUGLAS, WA
Probable Cause Approval Date: 01/11/2000
Aircraft: Burkhart Grob G102, registration: N707NL
Injuries: 1 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 pilot stated that the accident occurred while he was making an off-airport landing. He attempted to land next to a road in a plowed field. The terrain was rolling wheat fields, alternately plowed and in use. He stated that he was circling a house, looking for lift, when he made the decision to land. He widened his circle and flew north, parallel to the road. There was no indication of high winds, and he didn't have to crab the aircraft to correct his track over the ground. He stated that he turned toward the road and as he passed the mid-point of his turn to the intended final approach, he realized that he was being carried into the power wires on the far side of the road. He was at wire height and in about a 45 degree bank. He didn't think he could get over the wires and didn't want to increase bank angle, so he flew under the wires at about a 30 degree angle to the road. The right wingtip struck the pole, spinning the glider. He said the glider came to a stop, with its tail pointed 180 degrees from the direction of travel in the edge of a wheat field. He noted that within 30 minutes a thunderstorm came through the area.

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

The pilot's failure to maintain clearance from objects on the ground. Factors include misjudgment of weather conditions (unfavorable winds).

Full narrative available

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