History of scuba diving the high number of recreational scuba accidents. this started with informal training and led to the creation of training and certification agencies. BS-AC was formed in 1953, CMAS in 1959, NAUI in 1960 and PADI in 1966. The sport of scuba diving had its roots among the multitude of small enthusiastic snorkelling and spearfishing clubs in the decades just before and after the Second World War. After the invention of the "aqualung" by Cousteau and Gagnan, the first commercially marketed underwater breathing apparatus became available for sale for sporting purposes in the late 1940s. In 1951, Jim Auxie Jr and
King of the Coral Sea Rafferty, Charles Tingwell and Lloyd Berrell all knew each other from working in Sydney radio. Also featuring in the cast was Ilma Adey, a model and cabaret entertainer without any previous acting experience, and Frances Chin Soon, a local nurse from Thursday Island. The film was shot almost entirely on location on Thursday Island, except for the underwater footage, which was filmed off Green Island. Noel Monkman was primarily responsible for this. The filming was unique as the cameraman and the actors dived with a rare scuba known as the Lawson Lung. It was a patent violation of the Cousteau-Gagnan