1957: BNSW buys 40% of finance company Australian Guarantee Corporation and over the years progressively increased its interest to a majority stake of 76% and then acquired all remaining shares in 1988. 1968: BNSW joins Databank Systems Limited consortium in New Zealand to provide joint data processing services. Around this time the bank started going 'on line' with the use of their computer nicknamed "Fabicus", the letters standing for "First Australian Banking Institution Computer Used in Sydney". Fabicus had been in use since 1958 in the processing of some records. With advanced programming, The use of this computer changed the whole concept of banking as it had been done in years previously with its combination of hand-written and machined records. Branches slowly became attached to the data processing centre and other banks slowly joined the ranks of computer-generated reports, records, and expansion. 1970: BNSW establishes a branch on Tarawa in Kiribati, which also took over the government savings bank. BNSW also gets listed on the Australian Securities Exchange on 18 July 1970. 1973: BNSW becomes the corporate sponsor of the Rescue Helicopter service started by Surf Life Saving Australia. The service is known today as the Westpac Life Saver Rescue Helicopter Service 1974: BNSW participates in a joint venture to establish the Bank of Tonga. 1975: BNSW incorporates its local business in Papua New Guinea as Bank of New South Wales (PNG). 1977: BNSW forms the Pacific Commercial Bank in Samoa as a joint venture with the Bank of Hawaii, buying into Pacific Savings and Loan Company, in which the Bank of Hawaii had had an ownership interest since 1971. 1982: BNSW acquires the Commercial Bank of Australia. The Parliament of New South Wales passes the Bank of New South Wales (Change of Name) Act 1982 on 4 May 1982, changing the name of BNSW to the Westpac Banking Corporation. The new brand incorporates the "W" motif, which had been the logo of BNSW. Executive leadership Chief executive Alfred Davidson – General manager (1929–1945) Robert Norman – General manager (1964–1977) Bob White – Chief general manager (1977–1982) President/Chairman (Note: In 200:The Westpac Story on page 296 there is a chronological list of Presidents of the Bank of New South Wales 1817-1982 followed by a list of Chairmen of Westpac Banking Corporation 1982-2017.) Coat of arms In 1931 the bank was granted a coat of arms from the College of Arms,