reaching speeds of up to , before an expected main line debut in February 2009. The acceptance testing based at York was conducted by DB Schenker. Three test runs were planned for 4, 6 and 18 November 2008, involving out and back journeys from York in the evenings. The first was to Scarborough, a round trip of , with a support coach only. The second was a round trip to Barrow Hill, with Tornado hauling a 500-ton load of 12 coaches and a Class 67 diesel at up to . The third run was a trip to Newcastle with a rake of empty coaches that reached On this run, the web address on the side of the tender was replaced with the National Express logo. All runs were carried out successfully. Following the test runs, Tornado received her first full livery at the NRM's paint shop where she was painted in LNER Apple Green with "British Railways" on the tender, as worn by the first original 30 Peppercorn A1s. The livery was applied traditionally, brush painted by hand. She was unveiled on the turntable at the NRM's Great Hall on 13 December 2008 at a launch ceremony attended by 500 supporters of the A1 Trust. A dynamometer car from the North Eastern Railway was attached. Due to time constraints, detailing was completed on one side only at the time of the launch, after which Tornado returned to the paint shop before going back on display for the Christmas period. On 11 January 2009, Tornado left the NRM for preparations for her mainline passenger debut. A final test run was completed with a single support coach from York to Leeds and back, on 28 January. Certification As a new build locomotive, Tornado certification was more complex in comparison to a restored one and required liaison with Network Rail, HMRI, and a vehicle acceptance body, with the origin of all construction materials needing to be documented and every aspect of the manufacture recorded. Following manufacture, a technical file and Notified Body certificate was obtained on completion of a manufacturing and maintenance procedures review which was managed by DeltaRail Group Ltd. Tornado was also required to pass the 2006 European Interoperability of the conventional rail system directive, achieved through compliance with the National Notified Technical Rules (formerly the Railway Group Standards), though it was exempt from portions of the regulations, as are many