| 10AC6214 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 30-295-303-09 | K0801 | KELVIN HUGHES LIMITED |
| 3131-0538-001 | K0656 | BAE SYSTEMS (OPERATIONS) LIMITED |
| 9602-10 | K1488 | BRITISH AEROSPACE PLC NAVAL AND ELECTRONIC SYSTEMS DIVISION |
| A206 | K7766 | BRITISH STANDARDS INSTITUTION |
| A206-Z5 | K7766 | BRITISH STANDARDS INSTITUTION |
| A3131-0538-001 | K0656 | BAE SYSTEMS (OPERATIONS) LIMITED |
| Z5 | K7766 | BRITISH STANDARDS INSTITUTION |
| A206Z5 | K7766 | BRITISH STANDARDS INSTITUTION |