Vehicle details
| Registration | GWO5D | 
| Fleet no | RC566 | 
| Date new | 2/66 | 
| Chassis | RELH Series 1 | 
| Wheelbase (feet - ins) | 19-0 | 
| Chassis no | 232.019 | 
| Body manufacturer | ECW | 
| Style | Series 1 coach | 
| Seats | 47 | 
| Body no | 15914 | 
| Engine | Gardner 6HLX | 
| Cylinders (no) | 6 | 
| Engine capacity | 10.45 litre | 
| Depot (Period 8-1975) | Chepstow | 
| Fleet no 1975 | RC7566 | 
| Fleet no 1983 | |
| NBC livery date | 5/74 | 
| Withdrawn | 1977 | 
| Notes |