No engine failure. Aerobatic maneuver on Take off followed by low altitude stall.
NTSB Identification: ERA12FA062 14 CFR Part 91: General Aviation Accident occurred Saturday, November 05, 2011 in Williston, FL Aircraft: BEECH D-45, registration: N34KT Injuries: 2 Fatal. This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed.
On November 5, 2011, about 1644 eastern daylight time, a Beech D-45 (T-34B), N34KT, was substantially damaged when it impacted terrain following a loss of control during initial climb at Wings Field Airport (96FL), Williston, Florida. The certificated flight instructor and private pilot were fatally injured. Visual meteorological conditions prevailed and no flight plan was filed for the instructional flight conducted under 14 Code of Federal Regulations (CFR) Part 91, destined for Spruce Creek Airport (7FL6), Daytona Beach, Florida.
According to witnesses, during the takeoff the airplane was observed to rotate and liftoff after a ground run of approximately 400 feet. It then leveled off and accelerated. After reaching the end of the runway the airplane was then observed to pitch up "aggressively" to a 60 to 70 degree nose up climb attitude, climb momentarily, then yaw and roll to the left while pitching nose down. It then turned back to the right. The nose of the airplane then oscillated up and down and the airplane "fell like a rock", disappearing behind trees.
Examination of the accident site revealed that the airplane came to rest after impacting left wing first in a shallow nose down pitch attitude after striking the top of a tree. There was no debris path.
Examination of the wreckage did not reveal any evidence of preimpact failure of the airplane or engine. The landing gear was in the retracted position and the wing flaps were in the up position. All trims were neutral, and control continuity was established from the control surfaces to the flight controls in the cockpit. Fuel was present in all fuel tanks.
Examination of the propeller and engine revealed that the propeller had separated from its mounting flange. All of the blades exhibited s-bending, leading edge gouging, and chordwise scratching. A portion of a tree located next to the propeller also exhibited a 45 degree cut indicative of a propeller strike. Examination of the engine revealed that it had separated from its mounts. Fuel was present in the fuel pump and flow divider. The spark plugs appeared normal and both magnetos produced spark at all towers.
According to Federal Aviation Administration (FAA) records, the flight instructor held an airline transport pilot certificate with multiple ratings including airplane single-engine land. His most recent FAA first-class medical certificate was issued on June 29, 2011. On that date, he reported that he had accrued 40,000 total hours of flight experience.
According to FAA records, the private pilot held a private pilot certificate with a rating for airplane single-engine land. His most recent FAA second-class medical certificate was issued on December 1, 2010. On that date, he reported that he had accrued 235 total hours of flight experience.
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