In the circuit area while making an approach for landing the pilot allowed himself to become distracted by the dry conditions of his property and did not complete the prelanding checks or extend the landing gear. He did not hear the landing gear warning horn during the landing flare. After touching down the aircraft slid straight for 60 metres. The pilot was not injured and damage to the aircraft was confined to bent propeller blades and distorted lower fuselage structure. The landing gear warning system was found to be serviceable during a functional check of the system at the accident site. The reason why the landing gear warning horn was not heard by the pilot during the landing flare could not be determined. This accident was not the subject of a formal on-site investigation.