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Tuesday, 11 April 1972
Page: 916

Senator DONALD CAMERON (SOUTH AUSTRALIA) - I direct a question to the Minister for Civil Aviation. Has the Department of Civil Aviation extended the time interval between major airframe overhauls on the DC9 aircraft by 12i per cent? Will this mean, as claimed by Sir Reginald Ansett, a saving in servicing costs of $2m a year. Does Trans-Australia Airlines intend to decrease correspondingly the frequency of its airframe maintenance? If so, can this be expected similarly to save that airline $2m a year?

Senator COTTON - On 28th February approval was given for Ansett Airlines of Australia to extend maintenance checks 7 and 8 on DC9 aircraft from 4,000 hours to 4,500 hours and from 8,000 hours to 9,000 hours respectively. The approval was given after representatives of Ansett Airlines and Douglas Aircraft Company Incorporated studied the maintenance procedures and after the Douglas representatives said that the aircraft were well over maintained. In support of this statement, I point out that the world average for these checks is 8,000 and 13,000 hours respectively. There are only about 3 other operators as conservative as Ansett. TransAustralia Airlines uses a different maintenance system.

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