| 503874 | K0656 | BAE SYSTEMS (OPERATIONS) LIMITED |
| 503874 | U9828 | GEC MARCONI SONAR SYSTEMS LTD - MARI ME SYSTEMS DIVISION |
| PL59-070-01 ITEM 23 | K0656 | BAE SYSTEMS (OPERATIONS) LIMITED |
| A263-4012 | K7766 | BRITISH STANDARDS INSTITUTION |
| AC20C369/27 | U5351 | AIRCONTROL TECHNOLOGIES |
| PL59-070-01 ITEM 23 | U9828 | GEC MARCONI SONAR SYSTEMS LTD - MARI ME SYSTEMS DIVISION |
| PL59-070-01/23 | K0656 | BAE SYSTEMS (OPERATIONS) LIMITED |
| SCR-4-0012 | K7776 | AMETEK AIRTECHNOLOGY GROUP LIMITED |
| PL59-070-01/23 | U9828 | GEC MARCONI SONAR SYSTEMS LTD - MARI ME SYSTEMS DIVISION |