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James Cameron cut short trip to ocean’s deepest point after hydraulic leak

Filmmaker James Cameron surfaced three hours earlier than planned Monday after hydraulic fluid started leaking in his sub, as he became the first adventurer to make a solo journey to the deepest point on the ocean’s floor.

The 57-year-old described diving to a depth of nearly 7 miles in the 12-ton Deepsea Challenger as a “heckuva ride” after resurfacing in the Pacific Ocean, 300 miles southwest of Guam, on Monday morning.

He said, “It was bleak. It looked like the moon. I didn’t see a fish… I didn’t find anything that looked alive to me, other than a few [shrimplike] amphipods in the water.

“I didn’t feel like I got to a place where I could take interesting geology samples or found anything interesting biologically,” he added. 

The “Titanic” and “Avatar” director had planned on spending six hours on the ocean floor collecting samples and sent a tweet after reaching the Challenger Deep undersea valley in the Mariana Trench.

“Just arrived at the ocean’s deepest [point]. Hitting bottom never felt so good. Can’t wait to share what I’m seeing [with] you,” Cameron said in the tweet.

The descent took 156 minutes, but after he noticed the fluid leak Cameron decided to end the mission early and his ascent took just 70 minutes.

His sub was spotted by helicopter and he was picked up by the support vessel the Mermaid Sapphire shortly afterward.

He said, “I saw a lot of hydraulic oil come up in front of the port. The port got coated with it. I couldn’t pick anything up, so I began to feel like it was a moment of diminishing returns to go on. I lost a lot of thrusters. I lost the whole starboard side. That’s when I decided to come up. I couldn’t go any further — I was just spinning in a circle.”

Cameron hinted that he could carry out another dive to the trench in the future. He said, “Next dive. Gotta leave something for the next one.”

Others paid tribute to his bravery.

“@JimCameron has surfaced! Congrats to him on his historic solo dive to the ocean’s deepest point,” said organizers of his mission, Deep Sea Challenge, at 10:03 p.m. ET Sunday.

Arnold Schwarzenegger, who was directed by Cameron in the “Terminator” films, was among the first to congratulate Cameron, tweeting, “Congrats to my great friend on the deepest solo dive ever. Always a pioneer.”

Cameron embarked on the solo trip in a sub that he has described as a “vertical torpedo,” outfitted with 3D cameras and a tower of LED bulbs to capture video footage of the alien world, some 35,800 feet below the surface. He also collected samples. National Geographic will chronicle the adventure in 3D at theaters and later on TV.

In addition to studying deep ocean science, he had been training for the physical challenges of the mission — running several miles a day, practicing yoga and preparing to deal with the sub’s cramped quarters.

No one has been to Challenger Deep since Jacques Piccard and Don Walsh made the descent in a 1960 expedition for the US Navy. Their stay only lasted about 20 minutes and did not allow for the type of extensive study that Cameron planned.