| 28S19030 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 30-233-263-25 | K1790 | STS SIGNALS LTD |
| 30-293-314-28 ISSUE 2 | K0481 | SMITHS INDUSTRIES LTD |
| 30-293-314-28 ISSUE 2 | K5294 | GE AVIATION SYSTEMS LIMITED |
| A45 | K7766 | BRITISH STANDARDS INSTITUTION |
| 6A11986 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| A45-Z14 | K7766 | BRITISH STANDARDS INSTITUTION |
| A45Z14 | K7766 | BRITISH STANDARDS INSTITUTION |
| Z14 | K7766 | BRITISH STANDARDS INSTITUTION |
| S016015 | K7776 | AMETEK AIRTECHNOLOGY GROUP LIMITED |