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N93TR accident description

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Crash location 84.571667°N, 33.357222°W
Reported location is a long distance from the NTSB's reported nearest city. This often means that the location has a typo, or is incorrect.
Nearest city Peachtree City, GA
33.396783°N, 84.595763°W
3683.7 miles away

Tail number N93TR
Accident date 03 Aug 2006
Aircraft type McWhorter Skystar Vixen
Additional details: None

NTSB description


On August 3, 2006, at 0755 eastern daylight time, a McWhorter, Skystar Vixen, N93TR, registered to a private owner, operating as a 14 CFR Part 91 personal flight, collided with the ground while maneuvering after take off following a reported loss of engine power. Visual meteorological conditions prevailed and no flight plan was filed. The airplane received substantial damage. The airline transport rated pilot was fatally injured. The flight originated from Peachtree City-Falcon Field, Peachtree City, Georgia, on August 3, 2006, at 0753.

A witness stated he observed the airplane at a high speed while taxing to runway 31. The pilot continued on to the runway and departed with out conducting an engine run up. Witnesses reported hearing a change in engine noise after the airplane departed and they looked in the direction of the airplane. The airplane was initially observed in a climb attitude, leveled out about 200 feet above the runway, started a descent, and then made a shallow left turn. The airplane was observed to make a second left turn with an angle of bank exceeding 45-degrees. Witnesses described the airspeed as slow. The nose of the airplane was observed to pitch up, the left wing dropped down, the airplane entered a spiral to the left, descended out of view, and collided with the ground.


Review of information on file with the FAA Airman's Certification Division, Oklahoma City, Oklahoma, revealed the pilot was issued an airline transport pilot certificate on April 25, 2002, with ratings for airplane multiengine land, private pilot certificate with ratings for airplane single engine land, and airplane instrument rating. The pilot's logbook was not located. The pilot's last flight review could not be determined. The co-owner of the airplane stated the pilot had 400 hours in make and model. In addition the pilot holds a mechanic certificate with ratings for airframe and power plant issued on April 25, 2002.The pilot holds a third class medical certificate issued on June 8, 2006, with the limitation "must wear corrective lenses" The pilot indicated on his application for the third class medical certificate that he had accumulated 1800 total flight hours.


The aircraft logbooks were not located. The co-owner stated the last condition inspection was conducted in February or March 2006. He estimated the total time on the Rotax 912UL, 80 horsepower engine was about 475 hours. The airplane has flown about 20 hours since the last inspection. The co-owner stated the stall speed is 52 mph and the gross weight of the airplane is 1320 pounds. The co-owner further stated the airplane was last refueled with automotive gasoline on July 30, 2006, and he estimated there was 15 gallons total fuel on board the airplane at the time of the accident.


The 0753 surface weather observation at Peachtree City-Falcon Field, Peachtree City, Georgia, was wind calm, visibility 3 miles, clear clouds, temperature 79 degrees Fahrenheit, dew point temperature 73 degrees Fahrenheit, and altimeter 30.09.


The wreckage was located in the grass adjacent to the over run to runway 31 at Peachtree City-Falcon Field, Peachtree City, Georgia. Examination of the wreckage revealed the airplane collided with the ground in a left wing low, nose down attitude, on a heading of 270-degrees magnetic. The lower engine cowling was damaged and the upper engine cowling was not damaged. The engine assembly remained attached to the engine mounts and the nose section was bent upward at the firewall. The propeller remained attached to the propeller flange. The spinner was damaged. Two of the composite propeller blades were broken at the hub, and no leading edge damage was present. The remaining propeller blade was intact and not damaged. The nose wheel was bent rearward.

The cabin area was compressed aft and upward. The airplane was equipped with an electronic Hobbs meter and tachometer and no information was retrieved from either unit. The fuel selector valve was in the on position. The airplane was equipped with a seatbelt and shoulder harness and the pilot's seatbelt and shoulder harness was in use at the time of the accident. Continuity of the flight controls was confirmed from both controls sticks aft to all flight control surfaces. A smoke generator system with oil tank and oil pump was installed behind the pilot area. The smoke system was not in use at the time of the accident. Oil was present in the oil line going to the engine exhaust system. The aircraft registration and airworthiness certificate was located in the airplane. The left and right main landing gear remained attached to the airframe and was bent rearward.

The right wing remained attached to the airframe and was accelerated forward. The right wing tip was damaged and the leading edge of the wing was not damaged. The right main fuel tank was not ruptured and the right main fuel cap had a tight seal. No contamination was present in the in line fuel filter and filter screens. No fuel was present in the filters. The flaprons remained attached to their attachment points and were not extended. The right main wing strut was damaged and attached to the right wing and the fuselage.

The empennage was not damaged. The vertical fin, left and right horizontal stabilizers, left and right elevators, and rudder were not damaged.

The left wing remained attached to the airframe. The left wing was pushed aft and the left wing tip was bent upward. The leading edge of the left wing had compression damage from the wing tip extending inboard about four feet. The left main fuel tank was not ruptured. The fuel line from the left main fuel tank was separated and fuel was draining down the inside leading edge of the left wing. The left main fuel cap was intact and had a tight seal. No contamination was present in the in line fuel filter and filter screens. No fuel was present in the filters. The flaprons remained attached to their attachment points and were not extended. The left main wing strut was damaged and separated at the wing attachment point. The wing strut was not attached at the fuselage.

Examination of the engine revealed the engine crankcase was not breached. The oil cooler and the water radiator were damaged. Oil was leaking from the oil cooler and water was leaking from the water radiator. The No. 2 and No. 4 cylinder wiring and cylinder heads were discolored. The left and right carburetors were held in place by carburetor sockets. The 8 mm spacers were not installed on both carburetor sockets. Red silicone was present on both socket boots. The Rotax Maintenance Manual does not require any adhesives on the socket boots.

Both carburetors were removed from the engine. The idle stop screws on both carburetors were bent. Both carburetors were disassembled, and fuel was present in both float bowls. The jet needles were set in the No. 2 position. Staining was present on the carburetor floats and the needle seats were not sticking. The right carburetor float arm pin was damaged and the left carburetor float pin was not damaged. The left carburetor roller slide suspension was installed incorrectly. The slide was sitting 45-degrees offset in the venturi. All o-rings inside both carburetor jetting circuits were damaged.

Examination of the engine revealed the oil pump housing was not damaged and the oil filter remained attached to the engine. Oil was visible on the dipstick. The oil lines were breached under the oil cooler. The oil reservoir was not damaged. The fuel lines were intact. The electrical fuel pump was intact.

Examination of the ignition system revealed the engine had modified wiring from prior repairs. The wires were connected with automotive style butt connectors. While removing the engine, wire ends came off of one ignition ground wire and another wire end was loose. The lower spark plugs were removed from the engine. The electrodes were normal (light colored to brown) as depicted in the Rotax Maintenance Manual. The engine was not fitted with an overload clutch system. The gearbox was checked by turning the propeller and the gear lash was normal. Continuity of the gearbox was completed by rotating the propeller by hand and no anomalies were noted. A thumb compression check was completed and compression was present on all cylinders. The valve covers were removed and the valve train was observed to rotate while rotating the propeller by hand. The valve covers and sparkplugs were reinstalled and the engine was removed from the airframe pending shipment to an authorized repair facility for an engine run.

The engine was mounted in a test stand. A test club propeller, test oil supply tank, oil temperature gauge, oil pressure gauge, RPM gauge, cylinder head temperature gauge, engine controls, and ignition grounding wires were installed. The engine was started and ran at 3,000 rpm until 120-degrees oil temperature. The engine run progressed with stepped increases in rpm from 3,500 up to 5,300 rpm to include an ignition check at 4,000 rpm. The rpm drop on the left and right ignition check was less than 150 rpm per side. . The throttle was advanced and was unable to achieve 5,500 rpm (full throttle.) The throttle was returned back to the idle position for cool down and the engine was shut down after two minutes. After the initial engine run one ignition wire was disconnected. The engine was started and ran at 4,000 rpm and one ignition switch was moved to the off position. The engine became extremely rough, began to stall, would not maintain rpm, and the engine was shut down.


The Georgia Bureau of Investigation Medical Examiner conducted a postmortem examination of the pilot, on August 4, 2006.The reported cause of death was "multiple blunt force injuries." The Forensic Toxicology Research Section, Federal Aviation Administration, Oklahoma City, Oklahoma, performed postmortem toxicology of specimens from the pilot. The results were negative for carbon monoxide, cyanide, ethanol, basic, acidic, and neutral drugs.


The airframe was released to the co-owner by the FAA on August 16, 2006. The engine was released to the co-owner by the NTSB on October 11, 2006.

(c) 2009-2018 Lee C. Baker / Crosswind Software, LLC. For informational purposes only.