| 28Q18424 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 409 | K7766 | BRITISH STANDARDS INSTITUTION |
| DSR461-7 | K1037 | MEGGITT AEROSPACE LIMITED |
| SP81 | K7766 | BRITISH STANDARDS INSTITUTION |
| AS457-409 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC |
| AS457-409 | U5897 | ADVANCED LOGISTICS FOR AEROSPACE (UK) LIMITED |
| SP81-409 | K7766 | BRITISH STANDARDS INSTITUTION |