1975 Doug McClure trapped in Satan's Triangle

Satan's Triangle is a 1975 American made-for-television mystery horror film directed by Sutton Roley and produced by ABC. The plot involves a United States Coast Guard helicopter sent to answer a distress call from inside the Bermuda Triangle. Satan's Triangle TV Movie 1975
Kim Novak and Doug McClure in Satan's Triangle (1975)
A US coast guard finds only a woman still alive aboard a shipwreck. She tells her rescuer what happened and soon, they find themselves trapped in a mysterious part of the ocean known as Satan's Triangle.
Director: Sutton Roley
Writer: William Read Woodfield
Stars: Kim Novak, Doug McClure, Alejandro Rey