Wind Conditions
Aviation surface weather observations recorded winds from 180 degrees at 15 knots at the time of the accident. A METAR issued about one hour prior, at 1556, reported winds from 180 degrees at 18 knots. No variability in wind direction was noted in the variability column of the Department of Commerce Form MF1M-10C.
Controller and Pilot Reports
The local controller stated that when he cleared the airplane for takeoff, he provided updated wind information of from 180 degrees at 12 knots. The pilot reported that he was directed by tower to use runway 25. He noted that the wind was variable between 120 degrees and 150 degrees. After being cleared for takeoff, he observed the windsock was 90 degrees to the runway. He waited until the wind shifted to favor runway 25 and then initiated the takeoff roll.
Accident Sequence
As the tail started to lift off the runway, the airplane was hit with a "very violent" gust of wind. This gust lifted the wing and nosed the airplane over.