One of the last things air traffic controllers heard as a small plane carrying a Christian missionary father and his daughter descended rapidly over Florida last month was heavy breathing and grunting before the plane crashed .

The National Transportation Safety Board described the plane's fatal Nov. 10 flight in its preliminary report Wednesday, but the cause of the crash won't be known until the investigation is completed sometime next year. The founder of Christian ministry organization Ignite the Fire, Alexander Wurm, 53, and his daughter Serena Wurm, 22, were killed in the crash.

The Wurms were bringing humanitarian aid to Jamaica when the Beechcraft King Air plane they were flying crashed into a pond in a residential area of the Fort Lauderdale suburb of Coral Springs, narrowly

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