The RPSI's first ever two-day tour, using No.4 which was still an NIR locomotive at this time. Saturday 14th September: (4) Belfast GVS - Dublin Connolly; (4+186) Dublin Connolly - Enfield; (186) Enfield - Athlone - Ballinasloe - Athlone; (4) Enfield - Dublin Connolly. Sunday 15th September: (186) Athlone - Roscommon - Athlone - Clara (stub of Streamstown branch)-Portarlington; (4+dining cars) Dublin Heuston - Portarlington; (4) Portarlington - Dublin; (186+dining cars) Portarlington - Dublin; (186) Dublin Connolly - Dún Laoghaire Pier & return; (4) Dublin Connolly - Belfast GVS. Dining cars used for lunch at Portarlington.