| 8513A | U4290 | G E C MARCONI S3I LTD COMBAT SYSTEMS IVISION |
| QCA 4680 A-C AND QCA 4681 A-C | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| QCA4680AQCA4681A | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| QCA4681 A-C AND QCA4680 A-C | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| QCA8513A | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |