| 13465A | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 13465A | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 13465A-3 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 13469A | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 13469A | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 13465A-3 | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 13469A-2 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 7558A | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 7558A AND 13469A AND 13465A | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 7558A-3 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 7558A-3 | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 7558A AND 13469A AND 13465A | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 7558A | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 13469A-2 | K3902 | BAE SYSTEMS MARITIME SERVICES |
| 7558A-3 AND13469A-2 AND13465A-3 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 7558A-3 AND13469A-2 AND13465A-3 | K3902 | BAE SYSTEMS MARITIME SERVICES |