| 17-27B | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| 222 | K7766 | BRITISH STANDARDS INSTITUTION |
| CK615 | K1360 | POWERFIELD SPECIALIST ENGINES |
| BS1806-222 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-222 | K7766 | BRITISH STANDARDS INSTITUTION |
| CK615 | U0795 | QINETIQ |