| 10316A | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 10316A | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 11767A-N | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 11767A-N | K3902 | BAE SYSTEMS MARITIME SERVICES |
| LF0012 | K5125 | MITCHELL AVIATION LTD |
| 11767A | U4290 | G E C MARCONI S3I LTD COMBAT SYSTEMS IVISION |