On April 25, 1993, at about 0915 hours mountain standard time, a Cessna 182C, N8813T, nosed over after an on ground loss of control while landing on runway 12 at the Avra Valley Airport, Tucson, Arizona. The pilot was completing a local visual flight rules paradrop flight. The airplane was being operated by Marana Sky Diving Center, Marana, Arizona. The certificated commercial pilot was not injured. The airplane was substantially damaged. Visual meteorological conditions prevailed at the time. The pilot was receiving orientation training from another pilot specific to the company's aircraft operations while dropping sport parachutists. Two parachutists had exited the airplane at 11,500 feet MSL. The pilot had completed a maximum rate of descent to the airport environment. The other pilot administering the training reported the airplane's airspeed was fast on final approach. The airplane touched down on the runway at a fast speed on the nose gear and right main gear. The airplane swerved to the left. About 600 feet down the runway the left main landing gear touched. The airplane continued another 1400 feet down the runway and veered left again and struck a bush located about 150 feet from runway centerline and nose over. The pilot's reported that there were no mechanical failures or malfunctions with the airplane before the accident.