EASA 145.A.20 Terms of Approval

Regulation (EU) No 1321/2014

The organisation shall specify the scope of work deemed to constitute approval in its exposition (Appendix IV to Annex I (Part-M) contains a table of all classes and ratings).

ED Decision 2015/029/R

The following table identifies the ATA Specification 2200 chapter for the category C component rating. If the maintenance manual (or equivalent document) does not follow the ATA Chapters, the corresponding subjects still apply to the applicable C rating.

CLASS

RATING

ATA CHAPTERS

COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs

C1 Air Cond & Press

21

C2 Auto Flight

22

C3 Comms and Nav

23 – 34

C4 Doors – Hatches

52

C5 Electrical Power & Lights

24 – 33 – 85

C6 Equipment

25 – 38 – 44 – 45 – 50

C7 Engine – APU

49 – 71 – 72 – 73 – 74 – 75 – 76 – 77 – 78 – 79 – 80 – 81 – 82 – 83

C8 Flight Controls

27 – 55 – 57.40 – 57.50 -57.60 – 57.70

C9 Fuel

28 – 47

C10 Helicopters – Rotors

62 – 64 – 66 – 67

C11 Helicopter – Trans

63 – 65

C12 Hydraulic Power

29

C13 Indicating/Recording Systems

31 – 42 – 46

C14 Landing Gear

32

C15 Oxygen

35

C16 Propellers

61

C17 Pneumatic & Vacuum

36 – 37

C18 Protection ice/rain/fire

26 – 30

C19 Windows

56

C20 Structural

53 – 54 – 57.10 – 57.20 – 57.30

C21 Water Ballast

41

C22 Propulsion Augmentation

84