A preliminary report from federal safety investigators has shed some light on a recent plane crash in Missouri. The crash, which occurred during a skydiving outing, resulted in the deaths of all 12 people on board.

The report, issued by the National Transportation Safety Board, found no evidence of engine failure as a cause of the crash. Initial inspections of the wreckage and flight records did not reveal any serious safety or mechanical failures.

Further details on the investigation are available from the National Transportation Safety Board. The report provides some insight into the crash, but a full understanding of the events will require additional information.