The National Transportation Safety Board is hard at work probing for the cause of a golf course plane crash that claimed the life of a prominent Lafayette real estate developer. As NTSB investigators examine the wreckage at the Oakbourne Country Club searching for clues in the deadly crash, News 15 Investigates consulted with a commercial pilot who has more than four decades of flight experience. He offered insight into items that the NTSB will no doubt be looking at in its probe.