| 30C34098 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| BS6323 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS6323 PART 4-CFS3 CONDITION GBK | K7766 | BRITISH STANDARDS INSTITUTION |
| BS6323 PART 4-CFS3-GBK-3/4INOD | K7766 | BRITISH STANDARDS INSTITUTION |
| BS6323PT4-CFS 3 GBK | K7766 | BRITISH STANDARDS INSTITUTION |
| CFS3 GBK | K7766 | BRITISH STANDARDS INSTITUTION |