2 missing after helicopter sinks in Gulf of Mexico 2 missing after helicopter sinks in Gulf of Mexico Advocate staff report June 12, 2014 Comments NEW ORLEANS — The Coast Guard continues to search for two people on a helicopter that crashed and sank in the Gulf of Mexico about 60 miles south of Terrebonne Bay. A Coast Guard spokesman says debris was found in the area where the helicopter went down around 2:40 p.m. Wednesday. A cutter remained in the area overnight and helicopters will return to the area to aide in the search around 6 a.m. Thursday. In a news release Wednesday, the Coast Guard said the crew of a nearby rig reported the crash. It says crew members launched a life raft but the aircraft sank before they could get to it. The Coast Guard hasn’t released the name of the helicopter’s owner.