Airport firefighters and divers from the Orlando Fire Department found the driver in the retention pond at 8401 Casa Verde Road near the northern boundary of the airport along State Road 528.
The victim, David Alexander Long, 59, was pronounced dead at Florida Hospital East.
Orlando police are investigating the crash.
Witnesses told investigators they saw Long's pickup drive off the road about 8:55 a.m., strike a utility pole and continue front-end first into the water.
Traffic Homicide Detectives are seeking the cause of the crash.
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