The airplane was substantially damaged at 0830 Eastern time after losing lift during takeoff. The private pilot and a passenger received serious injuries. Visual conditions prevailed at the time. According to the pilot, during takeoff, the airplane would not gain altitude and started clipping the tops of trees off the end of the runway. The pilot pulled back on the yoke and stalled the airplane. The airplane collided with an embankment and came to rest in a creek. The airplane impacted the creek in a near-vertical nose-down attitude.
