Incident Details
The pilot was transporting a party of two individuals for a sheep hunting expedition. The destination was a remote, high-altitude airstrip with a rough surface. The pilot stated that he was carrying one passenger at a time. Upon landing, the aircraft touched down hard and bounced. The pilot then applied the brakes excessively, causing the airplane to flip near the end of the rollout.
Aircraft Information
The airplane was a Piper PA-18. It had been modified with tundra tires, a third seat, and a 160 horsepower engine. The engine modification was performed under an inapplicable supplemental type certificate (STC).
Pilot Account
According to the pilot/operator, the flight was intended to transport two hunters to the remote location. He reported that the hard landing and subsequent intense braking led to the rollover. No further details were provided.