ACS Aviation Industries have the following approvals:

UK CAA 145 & EASA 145 approval C-Ratings: C1 Air Conditioning and Pressure C2 Auto Flight C3 Comms and Nav C4 Door – Hatches C5 Electrical Power & Lights C6 Equipment C7 Engine – APU C8 Flight Controls C9 Fuel C12 Hydraulic Power C13 Indicating / recording Systems C14 Landing Gear C15 Oxygen C17 Pneumatic & Vacuum C18 Protection ice / rain / fire C19 Windows C20 Structural