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N4165T accident description

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Tail numberN4165T
Accident dateSeptember 28, 2008
Aircraft typeCessna 320D
LocationCollinsville, OK
Near 36.318056 N, -95.898055 W
Additional details: None

NTSB description

On September 28, 2008, approximately 1148 central daylight time, a twin engine Cessna 320, N4165T, sustained substantial damage when in collided with terrain while maneuvering to land at Airmen Acres Airport (OK93) near Collinsville, Oklahoma. The certified commercial pilot and the private pilot were fatally injured. The airplane was registered to and operated by the private pilot. No flight plan was filed for the flight that originated at the private airport approximately 1140. Visual meteorological conditions prevailed for the maintenance test flight conducted under 14 Code of Federal Regulations Part 91.

Airmen Acres Airport is a private airport and fly-in community with a 2,650-foot-long grass runway. Both pilots lived at the airport. According to other residents of the fly-in community, the private pilot had been restoring the airplane and this was his first flight since he purchased it approximately 4 years ago.

A witness, who was an Federal Aviation Administration (FAA) certified airframe and power plant mechanic and lived at the airport, stated that he observed the airplane make a high-speed taxi test, and then perform a magneto check, and cycle both propellers before it made a “normal take-off” to the north. The witness did not observe any problems with the airplane prior to its departure. Shortly after, he heard the airplane make a “normal approach with no landing gear extended.” The witness snapped a photo of the airplane as it passed by him. The time was 1147. A review of the photograph revealed that both engines were operating and there were no signs of any obvious mechanical problems.

The witness then watched the airplane make a climbing, left hand turn. The next time he saw the airplane was when it was on the downwind leg of the traffic pattern with the landing gear extended. He said, “At this time I could hear what sounded like the rpm on the engines went extremely high. They were really whining and I was concerned that if this continued that they would blow an engine. Right about this time the engine noise seemed to go back to normal.” The witness said the airplane was about to make a left turn onto the base leg when he looked away from the airplane to adjust a setting on his camera. When he looked back up at the airplane it was “heading almost straight down (85 degrees) and the wings were rolling.” The airplane disappeared behind a tree line and he knew the airplane had crashed.

Another witness also observed the airplane as is made a left turn onto the base leg of the airport traffic pattern. He stated that as it got three-quarters into the left turn, the nose of the airplane dropped downward “approx[imately] 75 percent or more.” It then made a slight turn to the right before it disappeared from his view. Shortly after, he heard the sound of the impact.

An on-scene examination of the airplane wreckage was conducted on September 29, 2008. The examination revealed that the airplane came to rest upright in an open field approximately one mile south-southwest of Airmen Acres Airport on a heading of 124 degrees and at an approximate elevation of 651 feet. All major components of the airplane were located at the site and there was no post-impact fire.

The pilot held a commercial certificate for airplane single and multi-engine land, and instrument airplane. He also held a certified flight instructor certificate for airplane single-and multi-engine land, and instrument airplane. His last second class FAA medical was issued on June 10, 2008. At that time, he reported a total of 2,000 flight hours.

The private pilot was rated for airplane single-engine land only. He was also an FAA certified airframe and power plant certificate.

The weather at Tulsa International Airport (TUL), Tulsa, Oklahoma, about 9 miles south of the accident site, at 1153, was reported as wind variable at 3 knots, visibility 10 miles, clear skies, temperature 81 degrees Fahrenheit, dewpoint 55 degrees Fahrenheit, and a barometric pressure setting of 30.15 inches of Mercury.

(c) 2009-2011 Lee C. Baker. For informational purposes only.