NTSB Identification: CEN13FA089
14 CFR Part 91: General Aviation
Accident occurred Tuesday, December 04, 2012 in Manhattan, IL
Probable Cause Approval Date: 09/30/2013
Aircraft: BEECH 58, registration: N4016A
Injuries: 1 Fatal.

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 pilot was conducting pipeline surveillance at the time of the accident. A witness reported that he observed the accident airplane in level flight about 50 feet above a nearby two-story house. Everything appeared normal at that time; however, when he looked up a few moments later, the airplane was “sideways” with the wings oriented vertically. The airplane impacted an open field. The accident site was located about 1/3 mile east-southeast of the pipeline under surveillance. The debris path was about 950 feet long, and the airframe was fragmented during the impact sequence. A postaccident examination did not reveal any anomalies consistent with a preimpact failure or malfunction. Analysis of all available information related to the accident did not reveal a definitive cause for the in-flight loss of control and impact with terrain.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

An in-flight loss of control and impact with terrain for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.

Full narrative available

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