Incident Overview
A witness on the ground observed an aircraft flying the landing pattern for landing and noted that the landing gear was not extended at any time. The witness continued watching the aircraft until it descended below the tree line.
System Testing
Following the incident, testing of the hydro-mechanical and electrical systems was conducted. The tests did not reveal any malfunctions or anomalies.
Pilot's Statement
The pilot-in-command stated that he placed the landing gear switch in the down position and observed three green indicator lights, confirming that the gear appeared to be down and locked. However, he did not verify the landing gear position by checking the nose gear using the mirror located on the side of the engine nacelle.
Passenger's Statement
The passenger, who is also a pilot, reported that after landing, he heard a warning horn sounding in the cockpit.