Train Dates for 1979.
(Note: Belfast YR = Belfast York Road; Belfast CSD = Belfast Central Services Depot; Belfast GVS = Belfast Great Victoria Street; ECS = Empty Coaching Stock; LE = Light Engine; GM = Railway company diesel locomotive; Whitehead generally means the RPSI's own Whitehead Excursion Station.)
| Date | Train/Operation | Loco | Itinerary/Route | Special Notes | 
| Film Contract | LE: Mullingar - Dublin Connolly - Bray Bray - Greystones & return LE: Bray - Mullingar | Filming for "The Flame is Love" with the 1978 film train between Bray and Greystones. Since tender-first working was banned around Bray Head, the train was diesel-hauled for its return to Bray. | ||
| Running-in | Whitehead - Belfast YR -Antrim - Belfast YR - Whitehead | Hauled five ex-GNR BUT trailers from Belfast to Antrim and return. | ||
| Empty Carriages | Whitehead - Belfast YR - Antrim - Lisburn LE: Lisburn - Antrim - Belfast YR - Whitehead | No.171 returned to Whitehead after developing a hot box. Train diesel-hauled Lisburn-Dublin. | ||
| Croagh Patrick | Diesel: Dublin Connolly - Mullingar 184+186: Mullingar - Athlone - Athenry - Claremorris - Westport | |||
| Croagh Patrick | 184+186: Westport - Balla 186: Balla - Manulla Junction - Ballina - Claremorris 184 LE: Balla - Claremorris 184+186: Claremorris - Athlone Diesel: Athlone - Mullingar - Dublin Connolly 184+186 LE: Athlone - Mullingar 186 LE: Mullingar - Dublin Connolly | |||
| Empty Carriages | Dublin Connolly - Lisburn - Antrim - Belfast YR - Whitehead | |||
| Steam Gala | 171: Whitehead - Belfast YR & return 186: Whitehead - Belfast YR & return | Specials in connection with Whitehead steam gala day. | ||
| Portrush Flyer | Whitehead - Belfast YR - Portrush LE: Portrush - Coleraine - Londonderry - Coleraine - Belfast YR - Whitehead | Engine ran hot while running light to Derry to turn. Train diesel-hauled Portrush to York Road and Whitehead. No.171 followed light engine under easy steam. | ||
| Running-in | Whitehead - Belfast YR - Ballymena - Belfast YR - Whitehead | An unadvertised running-in trip. | ||
| Portrush Flyer | Whitehead - Belfast YR - Portrush LE: Portrush Coleraine - Londonderry - Coleraine - Portrush Portrush - Belfast YR - Whitehead | |||
| Portrush Flyer | Whitehead - Belfast YR - Portrush LE: Portrush Coleraine - Londonderry - Coleraine - Portrush Portrush - Belfast YR - Whitehead | |||
| Lough Foyle | Whitehead - Belfast YR - Londonderry - Belfast YR - Whitehead | |||
| 186 Centenary | Whitehead - Belfast YR - Antrim - Lisburn - Belfast Central - Bangor - Belfast Central - Belfast CSD | Centenary celebration for 186, organized by NIR. | ||
| ECS | Belfast CSD - Lisburn - Antrim - Belfast YR - Whitehead | |||
| Dublin Bay | LE: Mullingar - Dublin Connolly Dublin Connolly - Bray & return (x3) LE: Dublin Connolly - Mullingar | |||
| Bangor Belle (MPD Farewell) | Belfast YR - Antrim - Lisburn - Bangor - Lisburn - Antrim - Belfast YR | NIR railcars 51-63-64 plus Diner 552, which had to be run-round at Antrim and Bangor. | 
