On June 25, 2000, at 2225 mountain daylight time, a New Piper PA-46-350P, N9246D, sustained substantial damage when it struck a fence and the ground during initial climb following takeoff at Spanish Fork, Utah. The private pilot sole occupant was not injured. The flight was operating under Title 14 CFR Part 91 and no flight plan was filed. Visual meteorological conditions prevailed for this local training flight which departed Spanish Fork at 2100. According to information provided by the pilot, he was practicing a soft field takeoff in preparation for his commercial pilot exam, and during initial climb following takeoff, the aircraft drifted left of the runway, settled, and a wing struck a fence post followed by impact with the ground off the east side of the runway. The two impacts caused damage to the wings, fuselage, engine, propeller, landing gear, and empennage.