Video answer: Gta 5: secret underwater $25,000 briefcase! submarine .
Top best answers to the question «Where is the briefcase in gta 5 underwater airplane»
This case is sitting on the ocean floor underneath another plane wreckage. Swim to the left side (right wing of the TAIL, not main wing) of the plane to find the package.
Video answer: Gta 5: how to get $12,000 every minute! secret underwater .