Engine & engine component repair & overhaul joint venture
Asian Surface Technologies (AST) is a 29/51/20 joint venture between SIA Engineering Company (SIAEC), PAS Technologies, and United Technologies International Corporation (UTC). AST's core focus is the repair and overhaul of PW4000 engines, as well as plasma-coating facilities for aerospace.[6][7]
Component Aerospace Singapore Pte Ltd (CAS) is a 46/54 joint venture between SIA Engineering Company (SIAEC) and Pratt & Whitney (P&W). CAS' core focus is the overhaul, repair, and modification of aircraft jet turbine engine components such as combustor, fuel nozzles, tube repair, and ducting, for various engines, namely: PW4000, PW2000, V2500, and CFM56.[8]
Eagle Service ASIA Pte Ltd (ESA) is a 49/51 joint venture between SIA Engineering Company (SIAEC) and Pratt & Whitney (P&W). ESA is a P&W engine center specialising in the overhaul repair of the PW4000 and GE90 engines.[9] The facility was modernised in 2019, to handle simultaneous overhaul of newer engines, namely: PW1000G GTF and GP7200.[10]
Singapore Aero Engine Service Pte Ltd (SAESL) is a 50/50 joint venture between SIA Engineering Company (SIAEC) and Rolls-Royce (RR). Formed in 2001, SAESL is a Trent Centre of Excellence, with its core business being the maintenance, repair and overhaul (MRO) support operation of the full range of Trent engines as well as RB211 engines. SAESL is the world's largest Trent engine MRO facility.[11][12]
Turbine Coating Services Pte Ltd (TCS) is a 24.5/51/24.5 joint venture between SIA Engineering Company (SIAEC), Pratt & Whitney (P&W) and Singapore Technologies Aerospace (STA). TCS' core business is the repair of PW4000 high pressure turbine blades using advanced coating technologies.[13][14]
Component repair & overhaul, manufacturing and engineering services joint venture
Additive Flight Solutions Pte Ltd (AFS) is a 60/40 joint venture between SIA Engineering Company (SIAEC) and Stratasys. AFS specializes in additive manufacturing of aerospace components and parts, by utilizing Stratasys expertise in additive manufacturing and SIAEC know-how in aircraft maintenance, repair, and overhaul (MRO) operations.[15][16]
Aerospace Component Engineering Services Pte Ltd (ACE Services) is a 51/49 joint venture between SIA Engineering Company (SIAEC) and Parker Hannifin Corporation. ACE Service's core focus is in the repair, overhaul test, and recertification of aircraft hydro-mechanical components, such as the 5000 psi hydraulic system of the Boeing 787 and Airbus A350. As it is Parker's Aerospace Centre of Excellence in APAC, it is capable of handling repair and overhaul of other OEM hydro-mechanical components.[17]
Fleet management services joint venture
'''Boeing Asia Pacific Aviation Service Pte. Ltd.''' (BAPAS) is a 49/51 joint venture between SIA Engineering Company (SIAEC) and Boeing Singapore Pte. Ltd. BAPAS offers integration between aircraft manufacturers and an MRO, incorporating various maintenance services.[31][32]
Line maintenance services joint venture
Pan Asia Pacific Aviation Services Ltd (PAPAS) is a joint venture between SIA Engineering Company (SIAEC) (40%), Malaysia Airlines (20%), Hong Kong Airlines (15%), PT Garuda Indonesia (15%) and Royal Brunei Airlines (10%). PAPAS' core business is a full suite of line maintenance services at Hong Kong International Airport, from aircraft certification to ramp handling.[33][34]
PT JAS Aero-Engineering Service is a 49/51 joint venture between SIA Engineering Company (SIAEC) and PT Cardig Aero Services. Its core focus is the provision of line maintenance and ramp handling services at 16 major Indonesian airports, including Cengkareng, Surabaya, Denpasar, and Medan, serving more than 43 airlines and cargo operators.[35]
Airframe maintenance services joint venture
Heavy Maintenance Singapore Service Pte Ltd (HMS Services) is a 65/35 joint venture between SIA Engineering Company (SIAEC) and Airbus Service Asia Pacific. HMS Services' core business is airframe maintenance, cabin upgrade, and modification service to Airbus A380 and A350 aircraft in the APAC region.[39]