| BS3692 | K7766 | BRITISH STANDARDS INSTITUTION |
| DGS160 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| PL 004501809 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| P.L. M.C.M./357/02/001 REFERENC- | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |
| P.L. M.C.M./357/02/001/1302 | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |
| P.L. M.C.M./357/02/01 | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |
| PL 004501809 REFERENCE 1302 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |