What happened
The pilot reported that while on final approach to land at night, the aircraft experienced a stall. He stated that he applied full power, but the aircraft just dropped. It struck the ground short of the runway. During impact, all three gear collapsed, the right main spar was damaged and the lower 2/3 of the firewall was wrinkled and bent.
The investigation
The investigation revealed that during the final approach phase, the aircraft stalled. The pilot attempted to recover by applying full power, but the aircraft continued to drop. It struck the ground short of the runway. The impact caused significant damage to the airframe, including the collapse of all three gear, damage to the right main spar, and wrinkling and bending of the lower 2/3 of the firewall.
Findings
The primary finding is that the aircraft stalled during the final approach phase. The pilot's application of full power did not prevent the drop. The impact with the ground resulted in substantial structural damage.