sentences:  Some 2,971 APTIS machines were scheduled to be installed at 1,600 staffed British Rail stations between August 1985 and September 1987.The first production APTIS tickets were issued in October 1986 at stations including Didcot Parkway and Abbey Wood; the official launch was by David Mitchell, Transport Minister, at the British Rail Travel Centre, Regent Street, London, on 18 November 1986.The first ticket was sold at Benfleet in January 1987.