103 'Merlin' NIR Blue, with Red Arc Coach Type_Mark 2b and retained this appearance until

and retained this appearance until the first months of 1991 when Metals sub sector branding was applied

and infrastructure/freight workings

BR blue with white trim

BR Class 50 - Original NSE - 50017 'Royal Oak'

as modelled was actually the second locomotive to carry the number L91

103 'Merlin' NIR Blue, with Red Arc Coach Type_Mark 2b and retained this appearance untilHaving undertaken a programme of station refurbishment, improved its ticketing arrangements and introduced new on track plant and shunting locomotives, in 1969 the still embryonic Northern Ireland Railways set out to improve the Dublin Belfast Enterprise service, by replacing the existing diesel railcar sets with a locomotive hauled service. Intended to reduce the time for the 180 km journey to just two hours, the NIR Class 101 (DL) locomotives were