Incident Overview
An airplane traveling eastbound collided with the top static cable of a north-south oriented power transmission line. The cables were located on the eastern slope of a mountain range, paralleling the range's orientation. The point of impact occurred at approximately mid-span of the cable section, which measured about half a mile between two support towers.
Environmental Factors
The power line cables were positioned downslope relative to the airplane's direction of travel. When viewed from the west, the cables were not silhouetted against the sky, potentially reducing their visibility. Additionally, one of the cable support towers was masked from the pilot's view by the surrounding terrain along the airplane's flight path.
Context and Sequence
The airplane was proceeding eastbound when it encountered the transmission line. The collision occurred at a point roughly equidistant between the two towers that supported the affected cable span. No further details regarding the aircraft, occupants, or outcome were specified in the source.