Pacific Vortex!

In the thrilling first installment of the Dirk Pitt series by Clive Cussler, the nuclear submarine Starbuck disappears during sea trials in the Pacific Ocean without a trace. When maritime troubleshooter Dirk Pitt discovers a chilling log in the surf off Hawaii, he uncovers a desperate plea from the vessel's captain that hints at a mysterious fate. This leads Pitt into a harrowing quest to locate the Starbuck, plunging him into a deep-sea adventure filled with danger and intrigue as he faces the unknown in the Pacific Vortex.