The pilot reported that he made an approach to land on runway 32 at Corowa. He estimated the wind to be 320/20 with gusts to 35 kts. Final approach was made with full flap at 70-80 kts and wind gusts were encountered on final approach. The Pilot's Operating Handbook for the aircraft type recommends an approach speed of 65-75 kts with full flap and 70-80 kts with flaps up. On touchdown the aircraft ballooned . The pilot advised that he continued to apply back pressure to the elevator and the aircraft landed again very heavily. Significant Factors The following factors were considered relevant to the development of the accident: 1. Gusting wind conditions. 2. Approach speed too high. 3. The pilot did not take appropriate corrective actions after the aircraft ballooned after initial touchdown.