NTSB Identification: CHI08FA150
14 CFR Part 91: General Aviation
Accident occurred Tuesday, June 03, 2008 in Iowa City, IA
Probable Cause Approval Date: 01/14/2009
Aircraft: SOCATA TBM 700 (850), registration: N849MA
Injuries: 1 Fatal,2 Minor.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
The private pilot arrived at the accident airport as part of an Angel Flight volunteer program to provide transportation of a passenger who had undergone medical treatment at a local hospital. About 0937, the airplane landed on runway 30 (3,900 feet by 150 feet) with winds from 073-080 degrees and 5-6 knots, which continued to increase due to an atmospheric pressure gradient. The pilot met the passengers and departed the terminal about 1003, with winds at 101-103 degrees and 23-36 knots. About 1005 the airplane was near the approach end of runway 30 with wind from 089-096 degrees and 21-31 knots. The pilot stated that he began rotating the airplane about 3,000 feet down the runway. About 1006, the airplane was approximately 3,553 feet down the runway while flying about 30 feet above the runway. The airplane experienced an aerodynamic stall, and the left wing dropped before it impacted the ground. No mechanical anomalies that would have precluded normal operation of the airplane were noted during the investigation. The fatally injured passenger, who had received medical treatment, was 2 years and 10 months of age at the time of the accident. She was held by her mother during the flight, as she had been on previous Angel Flights, but was otherwise unrestrained. According to 14 CFR 91.107(3), each person on board a U.S.-registered civil aircraft must occupy an approved seat with a safety belt properly secured during takeoff, and only unrestrained children who are under the age of 2 may be held by a restrained adult. Although the accident was survivable (both the pilot and the adult passenger survived with non-life-threatening injuries), an autopsy performed on the child revealed that the cause of death was blunt force trauma of the head.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot's improper decision to depart with a preexisting tailwind and failure to abort takeoff. Contributing to the severity of the injuries was the failure to properly restrain (FAA-required) the child passenger. Full narrative available
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