C-130 aircraft is searching for the sub on the surface, while a P-8 Poseidon has also been dispatched from Rescue Coordination Center Halifax. The Poseidon is an aircraft that specializes in maritime patrol operations and has underwater detection capabilities it can utilize by dropping sonobuoys in a search area.
OceanGate’s website says that the Titan has life support capabilities sufficient to sustain its five-person crew for 96 hours. According to the Coast Guard, the submersible departed the Canadian research vessel Polar Prince on Sunday morning for its trip to the Titanic, and the ship lost contact with the sub after about an hour and 45 minutes. That would leave rescuers with about 72 hours left to find the sub according to reports, unless it suffered a catastrophic failure and failed to surface.
"We are exploring and mobilizing all options to bring the crew back safely," OceanGate said in a statement. "Our entire focus is on the crewmembers in the submersible and their families. We are deeply thankful for the extensive assistance we have received from several government agencies and deep sea companies in our efforts to reestablish contact with the submersible. We are working toward the safe return of the crewmembers.
It lists expeditions in spring 2022 and fall 2023 for its "Four Subs Project" – a mission to document the wrecks of four historic submarines in the Atlantic Ocean off the coast of Rhode Island, including one German U-boat from