On March 31, 2006, about 0850 eastern standard time, a Cessna 172N, N172FL, registered to and operated by American Aviation Inc., as a Title 14 CFR Part 91 personal flight, had a hard landing at Daytona Beach International Airport, Daytona Beach, Florida. Visual meteorological conditions prevailed, and no flight plan was filed. The private-rated pilot and passenger were not injured, and the airplane incurred substantial damage. The flight originated from Hernando County Airport, Brooksville, Florida, the same day, about 0745 .. The pilot stated that the final approach to land on runway 7R was high, and that upon touchdown the airplane began to porpoise and bounce. The pilot further stated that the airplane porpoised and bounced about 5 times. After landing the pilot said that an examination of the airplane revealed that it had incurred substantial. According to the pilot, prior to the accident, there were no mechanical failures or malfunctions to the airplane or any of its systems.