JAS Aero-Engineering Services is a joint venture company, operating in partnership with SIA Engineering Company, certified to offer line maintenance services in 10 stations across Indonesia. Customers include SIA, SIA Cargo, Silk Air, Lufthansa, Emirates, Eva Air, Gulf Air, Qatar, Australian Airways, Federal Express, Asiana, Kuwait Airways, ValuAir, Tiger Airways, Royal Brunei Airlines, Australian Airlines, Cathay Pacific, Saudia and Qantas.
Current release certification approvals include: DGAC (Indonesia) for Boeing B737/747/757/767/777, Airbus A300-600/310/319/320/330/340, Fokker F28, MK100, F70; DC10/MD11; CAAS (Singapore) for Airbus 319 & 320, B777, B747, A340-300/500; E183 (Brunei) for A320, B757 & 767; CAA (Republic of China) for B767 & A330; UAE GCAA for B747, B777, A340-600, Kuwait B777, A340-300, A300-600 and Thai DCA Approval at CGK for B777, MD11, A330.
Services offered include: technical certification (CRS); mechanical assistance; technical ramp equipment, such as: ground power unit (GPU), air starter unit (ASU), air conditioning unit (ACU), potable water and toilet services, as well as tooling, space and bonded storage administration for wheel, spare parts and consumables.