| 5517A | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 5517A ITEM 5 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 5604A ITEM 5 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 5604A-D | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 5604A-D ITEM 5 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| P282005 | U4290 | G E C MARCONI S3I LTD COMBAT SYSTEMS IVISION |