RedactedNarrative: Vessel 1 was in reverse while operator was attempting to set some trot lines.  Operator of Vessel 1 was unaware that Vessel 1 was taking on water while backing down the trot line and Vessel 1 became swamped and started sinking.  The Operator was forced to abandon Vessel 1 and was unable to retrieve a life jacket.  Operator was able to hang onto the bow of Vessel 1 until another Vessel came to rescue the Operator and take him to shore.  Vessel 1 ended up sinking to the bottom of Lake Texoma but was later retrieved by Colbert Fire Department Dive Team.  The incident occurred approximately 1.5 miles east of East Catfish Bay Campground Boat ramp and approximately 1 mile southeast of Roosevelt Bridge and approximately 1 miles west of the east shoreline.