Asked to provide rolling stock for a special train to take 800 excursionists, the locomotive department at Dundalk sent fifteen vehicles hauled by a 'four-coupled' (2-4-0) locomotive; however the instructions to the engine driver were that the train was to be of thirteen vehicles. There were more intending passengers than anticipated and, to accommodate the excursion, the Armagh station master decided to use all fifteen vehicles. The engine driver, who had never driven the route before (but had been over it with excursion trains when a fireman), objected to these instructions, saying that his instructions were that the train was to be of thirteen vehicles at most. According to the driver