| BS4439 | K7766 | BRITISH STANDARDS INSTITUTION |
| P.L. 004501692 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| P.L. 004501692 REFERENCE 1309 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| P.L. M.C.M./352/03/001 | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |
| P.L. M.C.M./352/03/001 REFERENC- | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |