| 1 | Report an accident or serious incidents | |
| 2 | Report an incident regarding air traffic services | МХ01 |
| 3 | Report an incident or error regarding technique equipment
/Area control center/ |
МХ03 А |
| 4 | Report an incident or error regarding technique equipment
/Approach, Aerodrome, Backup, Information services/ |
МХ03 Б |
| 5 | Voluntary reporting | Voluntary report form |
| 6 | Report to prevent an error related to Phraseology, ATCs competency, Equipment, Training quality, Documents, Scheduling etc., | САХ1 |
