| Present Location | Carnforth |
| County Location | Lancashire |
| Designed For | BR |
| Build Location | Derby |
| Built by | BREL |
| Diagram number | 83 / AD107 |
| Lot number | 30859 |
| Type | FO |
| First Number | 3371 |
| Later Numbers | 1221 |
| Present Number | 1221 |
| Current Livery | BR InterCity |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Open First converted by BREL, Derby between 1988-91 to RFB No 1221. Previous operating company was Cross Country (still in BR InterCity Livery). B4 Bogies. 08/20 and 10/24: confirmed still at Carnforth. |
| Owner | West Coast Railway Company |
| External Structural Condition | Satisfactory |
| Underframe Condition | Satisfactory |
| External Finish | Satisfactory |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Underframe/Running Gear Originality | As built/last Passenger rebuild (BR or before) |
| Degree of External Authenticity | Good |
| Degree of Underframe Authenticity | Good |
| Rarity | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Survey Date | 11/08/2018 |
| Surveyor | Steve West |
| Photo Date | 27/08/2020 |
| Photo by | Craig Browning |
| At Risk | No |
| Date Record Last Updated | 19/02/2025 |
