| Organisation | Prefix | Number | Title | Iss | Subject |
|---|---|---|---|---|---|
| AA | SPEC | 999000 | Non-destructive Testing | 0 | ENGINEERING - NDE |
| AA | SPEC | 999007 | Non Destructive Examination for Flat Aluminium Alloy Materials | 0 | ENGINEERING - NDE |
| AAC | SPEC | 999018 | Non-destructive Testing of Compressor Rotors Impellers and Shafts | 2 | ENGINEERING - NDE |