| BS3692 | K7766 | BRITISH STANDARDS INSTITUTION |
| P.L. M.C.M./174/02/001 | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |
| P.L.002567091 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| P.L.002567091 REFERENCE 1311 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| P.L. M.C.M./174/02/001 REFERENC- | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |