55013 (D9013) "THE BLACK WATCH" has charge of the 1D57 00:40 Leeds - Doncaster at Leeds on the 2nd May 1979. 1D57, comprised of sleeping vehicles, connected with 1A45 22:55 Newcastle - King's Cross sleeper at Doncaster, the locomotive on 1A45 booked to take the service forward. 55013's next move was 1D62 03:56 Doncaster - Hull for the following 1A04 06:50 Hull - King's Cross, "The Hull Executive".