Aviation Accident Summaries

Aviation Accident Summary CEN13LA368

Wolcott, CO, USA

Aircraft #1

N2726C

NANCHANG CHINA CJ-6

Analysis

The pilot flew his experimental, exhibition, high-performance airplane over friends' houses. One witness indicated the pilot flew the airplane low enough to be identified. The pilot performed a second flyby of the houses. Another witness indicated that the airplane subsequently flew south and then climbed in a counterclockwise rotation. The airplane then attempted to "go upside down" and fly to the west. It subsequently impacted terrain following the low-level acrobatic maneuver. Examination of the wreckage did not reveal any preimpact anomalies.

Factual Information

HISTORY OF FLIGHTOn June 23, 2013, about 0811 mountain daylight time, an experimental exhibition Nanchang China CJ-6 airplane, N2726C, impacted terrain while maneuvering near Wolcott, Colorado. The private pilot and the pilot rated passenger were both fatally injured. The airplane sustained substantial fuselage damage. The airplane was registered to and operated by the pilot under the provisions of 14 Code of Federal Regulations Part 91 as a personal flight. Day visual flight rules (VFR) conditions prevailed for the flight, which did not operate on a VFR flight plan. The local flight originated from the Eagle County Regional Airport (EGE), near Eagle, Colorado, about 0757. Witnesses, who lived near the accident site, stated that the pilot flew over their houses. One witness, who was a friend of the pilot, indicated the pilot flew the airplane low enough to be identified as the pilot. The pilot performed a second flyby of the houses. One witness indicated that the airplane subsequently flew south and then climbed in a counter clockwise rotation. The airplane attempted to "go upside down" and fly to the west. The airplane descended below the witness's line of sight. His wife call 911 and he ran to the accident site where he waited for first responders. PERSONNEL INFORMATIONThe pilot, age 70, held a Federal Aviation Administration (FAA) private pilot certificate with a single engine land airplane rating. A FAA third class medical certificate was issued to the pilot on August 30, 2012 with a restriction for near vision lenses. On the application for that medical certificate, he reported accumulating 1,180 hours total flight time with 15 hours accumulated in the previous six months. The pilot reported using Tamsulosin. The pilot recorded in his logbook that he had accumulated 1,200.1 hours of total flight time, 5.4 hours of flight time in the 90 days prior to the accident, 2.6 hours of flight time in the30 days prior to the accident, and 120.1 hours of flight time in the CJ-6. The pilot rated passenger, age 69, held a commercial pilot certificate with single and multi-engine land, and instrument airplane ratings. The passenger did not have a current medical certificate on file in FAA records. AIRCRAFT INFORMATIONN2726C was a Nanchang CJ-6 airplane with serial number 5232007. The airplane was manufactured in 1991. Airworthiness records show that the airplane's amended special airworthiness certificate in the experimental exhibition category and purpose was issued on November 16, 2010. Records also indicated that the airplane was equipped with a M-14P radial engine with serial number KR322012, which drove a model number B530TA propeller. The last yearly condition inspection was conducted on June 17, 2012. A logbook endorsement indicated the airplane had accumulated 2,697.18 hours total time. At the time of that inspection, the engine had accumulated 62.8 hours total time in service. METEOROLOGICAL INFORMATIONAt 0750, the recorded weather at EGE was: wind calm; visibility 10 statute miles; sky condition clear; temperature 11 degrees C; dew point -4 degrees C; altimeter 30.12 inches of mercury. AIRPORT INFORMATIONN2726C was a Nanchang CJ-6 airplane with serial number 5232007. The airplane was manufactured in 1991. Airworthiness records show that the airplane's amended special airworthiness certificate in the experimental exhibition category and purpose was issued on November 16, 2010. Records also indicated that the airplane was equipped with a M-14P radial engine with serial number KR322012, which drove a model number B530TA propeller. The last yearly condition inspection was conducted on June 17, 2012. A logbook endorsement indicated the airplane had accumulated 2,697.18 hours total time. At the time of that inspection, the engine had accumulated 62.8 hours total time in service. WRECKAGE AND IMPACT INFORMATIONThe airplane impacted terrain near the intersection of Horse Mountain Ranch Road and Elk Ridge Road. A witness mark on the ground was consistent with the airplane initially impacting terrain and sliding about 100 feet. The airplane became airborne again and came to rest about 162 feet from its first impact point. A FAA inspector examined the wreckage. The inspector indicated that all components, which were possible to examine, had their control continuity confirmed and the airplane was confirmed to have fuel on board when the crash occurred. MEDICAL AND PATHOLOGICAL INFORMATIONThe Eagle County Coroner's Office arranged for an autopsy to be performed on the pilot. The cause of death was listed as multiple injuries. The FAA Civil Aerospace Medical Institute (CAMI) prepared a Final Forensic Toxicology Accident Report on samples taken from the pilot. The report indicated: Tamsulosin detected in Muscle Tamsulosin detected in Liver The FAA Forensic Toxicology's WebDrugs website description of Tamsulosin, in part, indicated it was an a1a-selective alpha blocker used in the symptomatic treatment of benign prostatic hyperplasia. The Eagle County Coroner's Office arranged for an autopsy to be performed on the pilot rated passenger. The cause of death was listed as multiple injuries. The FAA CAMI prepared a Final Forensic Toxicology Accident Report on samples taken from the pilot rated passenger. The report stated that the samples sustained putrefaction and further indicated: 44 (mg/dL, mg/hg) Ethanol detected in Urine 28 (mg/dL, mg/hg) Ethanol detected in Muscle 25 (mg/dL, mg/hg) Ethanol detected in Brain

Probable Cause and Findings

The pilots decision to perform an aerobatic maneuver at a low altitude from which he was unable to recover.

 

Source: NTSB Aviation Accident Database

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