most of the non-standard locomotives withdrawn, the reduction of the fleet again proceeded more slowly. The privatisation of British Rail also produced new independent rail companies needing available traction until they could order new locomotives. From 1996 to 2006, an average of around fifteen locomotives per year were taken out of service. During the decline in passenger work a number of locomotives were painted in "celebrity" colours, depicting various liveries that the type had carried during its history. This continued a tradition of painting 47s in unusual liveries, which dates back to 1977, when Stratford depot in East London painted two locomotives with huge Union Flags to celebrate the Silver Jubilee of Queen Elizabeth II. Fleet summary Mainline registered locomotives . This table does not include 47375, which was exported to Hungary in 2015. West Coast Railways is currently the largest operator of the type. Preservation There are 32 Class 47 locomotives in the ownership of preservationists and private railways. Class 57 Thirty-three locomotives were rebuilt with EMD engines and re-classified as Class 57s. Freightliner took 12, Virgin Trains 16 and First Great Western five. Today these are owned by Direct Rail Services (17), Great Western Railway (4), Rail Operations Group (4), and West Coast Railways (8, including the prototype passenger engine 57 601). Accidents 11 January 1965: D1734 was severely damaged after the freight train it was hauling ran out of control near Shrewsbury, eventually demolishing a signal box. It was withdrawn two months later, becoming the first Class 47 withdrawn after a working life of only eight months. Withdrawn in March 1965, it was cut up in April. 17 December 1965: D1671 THOR was derailed near Bridgend whilst hauling a train of empty coaches. Shortly afterwards, a freight train collided heavily with the wreckage, killing the driver and second man of this locomotive. D1671 was withdrawn in April 1966; its nameplates were salvaged, and transferred to No. D1677; and D1671 was cut up in June 1966. 8 April 1969: D1908 was badly damaged when, while hauling a freight train at Monmore Green, it was struck head-on by a passenger train that had passed a signal at danger. D1908 caught fire after the accident and became the third Class 47 withdrawn. The driver of the Freight train and the Passenger train driver were killed. Withdrawn in August 1969, it was cut up in October. 13 March 1971: D1562 was