That could be him. I heard he lost his way on a random patrol because all the alterations he made to both his X-Wing and his R2 unit resulted in their complete inoperability. Just drifted away into nothing. Rebels didn't bother sending out a rescue team, either. Figured they were better off without him.

Here, take a look at Commander Jorg Sacul with your own eyes. The Alliance wiped out all records of his existence. This is the only remaining image of the man. Used as an effigy on Coruscant. Probably for the better...