R.I.P. Dr Warren

David Warren, an Australian scientist who invented the "black box" flight data recorder, has died, defence officials said on Wednesday. He was 85.

Warren, who died on Monday, came up with the idea for the ****pit voice recorder after investigating the crash of the world's first commercial jet airliner, the Comet, in 1953, the Department of Defence said in a statement. He thought it would be helpful for airline accident investigators to have a recording of voices in the ****pit.

He designed and constructed a black box prototype in 1956, but it took several years before officials understood just how valuable the device could be and began installing them in commercial airlines worldwide.

Warren was born in 1925 in a remote part of northeast Australia. In 1934, his father was killed in a plane crash in Australia.

He became the principal research scientist at the Defence Science and Technology Organisation's Aeronautical Research Laboratories in Melbourne from 1952 to 1983.

"Dr Warren's flight data recorder has made an invaluable contribution to safety in world aviation," the defence department said in a statement.

In 2002, Warren was awarded the Order of Australia - among the nation's highest civilian honours - for his work.

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