Award-winning cinematographer Mike deGruy was killed over the weekend in a helicopter crash in Eastern Australia. He was 60 years-old. DeGruy was on assignment for National Geographic at the time of his death. The Santa Barbara-based deGruy was probably best known for his work on James Cameron‘s documentary Last Mysteries of the Titanic.

Andrew Wight, an Australia-based writer-producer who also collaborated with Cameron in the past, was also killed in the crash.

“Mike and Andrew were like family to me,” Cameron told the AP. “They were my deep-sea brothers and both were true explorers who did extraordinary things and went places no human being has been.”