Autolycus or Sniffer[1] was a submarine detection system designed to detect diesel-engined submarines from aircraft.[2] It was designed to detect exhaust fumes from their diesel engines.[3] Named after the mythical Greek, Autolycus, who took part in the search for the Golden Fleece, it was developed by the British during the early Cold War period. The first version of Autolycus was deployed on Avro Shackleton aircraft in the mid-1950s, with an improved version re-appearing in the mid-1960s.[4]
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