Federal investigators have issued a preliminary report on a fatal plane crash at Lake Lewisville.
Kristin Kolby, 41, was killed when the pontoon plane she was a passenger in flipped over in the lake March 18.
The National Transportation Safety Board said Thursday that the pilot, 54-year-old Ken Gadney, told investigators his plane touched down on the water "with no skips or bounces." But the plane flipped over and began to fill with water.
The single-engine plane, a 1983 Maule, is known as a float plane. It is capable of landing on water.
Witnesses told investigators they saw the plane's landing wheels in the down position. Wheels would be necessary for take off or landing on land, but experts say it could be dangerous to land a pontoon boat on a lake with the wheels down.
Gadney said he could not recall the position of the landing gear before the crash, the NTSB said.
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