| Boat Name | Other Name(s) | Extant? | Full Length | BW No. | Fleet No. |
| ALCOR | Yes | Yes | 70078 | GUCC 004 | |
| Gauge No. | Gauged by | Gauge Date | BCN No. | Registration No. | Registered At: |
| GU 12550 | Grand Union | 1935 | Br 550 | Brentford, Nov 1935 | |
| Build Date | Builder | Orig. Owner | Engine | Original Type: | Orig. Construction |
| 1935 | Harland & Wolff | GUCCC | Motor | steel composite |
Re-registration, Gaugings and Other InformationOrig. GUCC pairing with butty ALPHONS (208). 1941: used as "fire boat" by London Fire Brigade. Sold into private ownership by BW in 1960s. 2006, paired with butty DABCHICK.