Train Dates for 1974.
(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 |
| King Fergus II | 186: Whitehead - Belfast YR - Whitehead 171: Whitehead - Larne Harbour- Whitehead |
Last steam train to use the original route through the old Larne Town station. | ||
| Light Engine | Whitehead - Belfast YR - Antrim - Lisburn - Dublin Connolly | |||
| Empty Carriages | Whitehead - Belfast YR - Antrim - Lisburn - Belfast GVS | |||
| Engine Transfer | Whitehead - Larne Harbour - Whitehead | Running-in trip. | ||
| Portrush Flyer | Whitehead - Belfast YR - Portrush - Belfast YR - Whitehead | |||
| Portrush Flyer | Whitehead - Belfast YR - Portrush - Belfast YR - Whitehead | |||
| Portrush Flyer | 171: Whitehead - Belfast YR - Portrush 4: Whitehead - Bleach Green - Portrush - Belfast YR - Whitehead |
No.171 failed at Portrush and was eventually towed back dead. | ||
| Portrush Flyer | Whitehead - Belfast YR - Portrush - Belfast YR - Whitehead | |||
| Light Engine | Whitehead - Belfast YR - Antrim - Lisburn - Dublin - Sallins | |||
| Empty Carriages | Whitehead - Belfast YR - Antrim - Lisburn - Dublin Connolly | |||
| Silvermines | 4: Dublin Connolly - Limerick Junction 186: Limerick Junction - Clonmel & return 4: Limerick Junction - Limerick 186 LE: Limerick Junction - Limerick |
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| Silvermines | 4+186: Limerick - Shallee 4+186 ECS: Shallee - Silvermines - Shallee 4: Shallee - Birdhill - Ballybrophy - Dublin - Belfast GVS 186 LE: Shallee - Ballybrophy - Sallins |
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| Empty Carriages | Belfast GVS - Lisburn - Antrim - Belfast YR - Whitehead | |||
| 10th Anniversary Railtour | Whitehead - Belfast YR - Londonderry - Belfast YR -Whitehead |