Rescue workers were called to the scene at 10.50am to combat a blaze that ignited when the aircraft struck the house in tambon Khok Kam, reports the Bangkok Post.
According to investigators, the aircraft lost altitude during a maintenance test flight. The test pilot, identified only as 34-year-old Phudit, died at the scene.
The flight was part of a repair process for the plane, which had previously experienced engine issues.
Latest reports from the scene indicate that the fire has been brought under control. However, the residence suffered extensive damage. No further casualties were reported.