| Present Location | Carnforth |
| County Location | Lancashire |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | 78 |
| Lot number | 30754 |
| Type | PFP |
| First Number | 550 |
| Later Numbers | ERNEST RUTHERFORD, 99673,RYDAL WATER, GOLDEN ARROW |
| Present Number | RYDAL WATER |
| Current Livery | Pullman |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Mk 2: 1983 'Ernest Rutherford', 'Rydal Water' 1987. P 1991 by Manchester Executive Railway Co and named "Golden Arrow". 1996: sold to West Coast Rail. By 2008: fully refurbished. 02/20: confirmed still based at Carnforth. |
| Owner | West Coast Railway Company |
| External Structural Condition | Very Good |
| Internal Structural Condition | Very Good |
| Underframe Condition | Very Good |
| External Finish | Very Good |
| Internal Finish | Very Good |
| Degree of External Originality | Some replaced/reproduced material |
| Degree of Internal Originality | Some replaced/reproduced material |
| Degree of Underframe/Running Gear Originality | Some replaced/reproduced material |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Fair |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Several |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 26/07/2008 |
| Surveyor | Kevin Stroud |
| Photo Date | 06/10/2016 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 11/08/2020 |
