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An investigation is underway to determine the cause of an airplane crash that left one person dead in Johnson County.

In a press release, sheriff's officials said they received several 911 calls from witnesses who reported seeing the single-engine plane go down in a neighboring farm field near the Green Castle Aero Club airport northeast of Oxford. The crash happened Sunday just before 4 PM.

Authorities confirmed the only person on board the plane was killed in the crash. Officials said the name of the pilot who died will not be made public until the family can be notified.

Johnson County sheriff's officials said the Federal Aviation Administration and National Transportation Safety Board were notified of the crash and will be joining the investigation.

Multiple agencies assisted Johnson County sheriff's deputies at the scene. They included: the Iowa State Patrol, North Liberty police, Tiffin fire, Oxford fire, Johnson County Emergency Management and the Johnson County Medical Examiner.

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