| 1FR1-01-AL90-02003 | U4290 | G E C MARCONI S3I LTD COMBAT SYSTEMS IVISION |
| 1FR101AL9002003 | U4290 | G E C MARCONI S3I LTD COMBAT SYSTEMS IVISION |
| 21314-5050-100 | K0663 | FERRANTI TECHNOLOGIES LTD |
| 21511-007-54 | K2490 | THALES DEFENCE LTD |
| 991/4/01497/005 | K4547 | SIEMENS AIR TRAFFIC MANAGEMENT |
| 61191-002-0 | K8082 | ULTRA ELECTRONICS LIMITED |
| DEFSTAN53-17 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS4320 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4320FT02.00RD05.00STOONO | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4320M2 | K7766 | BRITISH STANDARDS INSTITUTION |
| F28-102-020-1 | K7806 | G E C COMPUTER SERVICES LTD |
| K1171-135-0 | K8081 | ULTRA ELECTRONICS LTD DBA CONTROLS DIVISION |
| TORNADO-6283 | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |
| BS4320CS4FORMAM2 | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |