On January 17, 2002, at 0830 eastern standard time, a Piper PA-28-151, N6910F, registered to C&S Aviation Inc. and operated Bessemer Aviation under Title 14 CFR part 91, collided with a deer, during a landing roll at Bessemer Airport, Bessemer, Alabama. Visual meteorological conditions prevailed at the time of accident and no flight plan was filed. The Certified Flight Instructor and his student did not receive any injuries. The airplane was substantially damaged. The flight departed from Bessemer, Alabama, at 0815. According to the Certified Flight Instructor while conducting touch and go landings to runway 23 at Bessemer Airport, he heard his student yell out "deer". At this time he felt a impact on the right side of the airplane. The airplane swerved to the right and came to a stop partially off the runway. The CFI and his student determined that they had stuck the deer that ran across the runway. Examination of the airplane revealed, a one foot dent on the leading edge of the right wing and buckling of the right aileron. There were no other reports of deer activity prior to the collision.