# SIA Engineering Company

SIA Engineering Company Limited (commonly abbreviated as SIAEC) (SGX: S59 ) is a Singaporean company specializing in aircraft maintenance, repair, and overhaul (MRO) services in the Asia-Pacific. It is a wholly-owned subsidiary of the Singapore Airlines Group (SIA), formed in 1992 by separating SIA's engineering division.
The company has a client base of over 80 international carriers and aerospace equipment manufacturers. It provides line maintenance services at 35 airports in 8 different countries for more than 50 international carriers and airframe and component overhauls on some of the most widely used aircraft in service. It is the first MRO provider in the world to maintain the super-jumbo Airbus A380.

## Joint ventures

SIA Engineering is involved in twenty-five joint ventures and subsidiaries with original equipment manufacturers and airlines in Singapore, Hong Kong, Indonesia, Japan, the Philippines, the United States, Vietnam, and Thailand.

### 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.
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.
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. The facility was modernised in 2019, to handle simultaneous overhaul of newer engines, namely: PW1000G GTF and GP7200.
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.
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.

### 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.
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.
Fuel Accessory Service Technologies Pte Ltd (FAST) is a 49/51 joint venture between SIA Engineering Company (SIAEC) and Collins Aerospace (formerly UTAS). FAST's core focus is fuel control and engine accessory repair services to APAC customers. It provides repair, overhaul, and modification for a wide range of Hamilton Sundstrand fuel components and Auxiliary Power Units as well as Supplemental Cooling Units (SCU) and Cargo Refrigeration Units (CRU).
Goodrich Aerostructures Service Centre - Asia Pte Ltd (GASCA) is a 40/60 joint venture between SIA Engineering Company (SIAEC) and Collins Aerospace. GASCA's core focus is the maintenance, repair, and overhaul (MRO) of nacelle systems and airframe composite components to APAC customers, for aircraft such as the Boeing 787 and Airbus A350. Having implemented a supply chain program with Boeing, GASCA is also the first non-Boeing facility to be accredited as Boeing's Network Service Centre (NSC).
JAMCO Aero Design & Engineering Pte Ltd (JADE) is a 45/5/50 joint venture between SIA Engineering Company (SIAEC), JAMCO America, and JAMCO Corporation. JADE's core focus is the complete refurbishment of aircraft interiors, from the structure to the furnishings. offering support and services for cabin modifications.
MOOG Aircraft Service Asia Pte Ltd is a 49/51 joint venture between SIA Engineering Company (SIAEC) and Moog Inc. Its core focus is the maintenance, repair, and overhaul (MRO) of Moog flight control systems fitted to aircraft such as the Boeing 787 and Airbus A350.
Panasonic Avionics Service Singapore Pte Ltd (PACSS) is a 42.5/57.5 joint venture between SIA Engineering Company (SIAEC) and Panasonic Avionics Corporation. PACSS is Panasonic Avionics Corporation Centre of Excellence in the APAC region, and its core focus is the maintenance and repair of in-flight entertainment systems, such as the new and highly advanced GCS, eX2, and eX3 systems.
Safran Electronics & Defense Service Asia Pte Ltd is a 40/60 joint venture between SIA Engineering Company (SIAEC) and Safran Electronics & Defense. It is Safran's first avionics Centre of Excellence in the APAC region. It provides support, repair, and overhaul services for Safran's avionics and electronics equipment, as well as for other OEMs, namely Airbus, Honeywell, Hamilton-Sundstrand, Thales, Rockwell-Collins, BAE Systems, etc.
Safran Landing Systems Services Singapore Pte Ltd (SLSSS) is a 40/60 joint venture between SIA Engineering Company (SIAEC) and Safran Landing Systems. SLSSS' core focus is the repair and overhaul of aircraft landing gear that covers the full range of Airbus and Boeing aircraft, as well as component & accessory repair and overhaul for a variety of landing systems components and accessories, such as electrical and hydro-mechanical systems of civil and regional aircraft.

### 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.

### 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.
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.
Southern Airports Aircraft Maintenance Services Co. Ltd (SAAM) is a 49/51 joint venture between SIA Engineering Company (SIAEC) and Airports Corporation of Vietnam. SAAM's core business is the provision of technical and non-technical handling of aircraft such as non-destructive testing, cleaning, and defect rectification, at airports in Ho Chi Minh City, Hanoi, Nha Trang, and Da Nang.

### 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.

## Subsidiaries

SIA Engineering Japan Corporation (SIAEJ) is SIAEC's third overseas maintenance facility. It is based in Osaka and offers a full suite of line maintenance services at Chitose and Narita, with services including aircraft certification, mechanics assistance, defect rectification AOG support, etc.
SIA Engineering (USA) Inc is SIAEC's second overseas maintenance facility. It is based in Los Angeles and offers a full suite of line maintenance services in San Francisco, Seattle, and New York, with services including aircraft certification, defect rectification, ramp handling, cabin maintenance, maintenance checks, cleaning, and AOG support, etc.
Singapore Aero Support Service Pte Ltd is based in Singapore and offers a full suite of line maintenance services, with services including aircraft certification, defect rectification, ramp handling, cabin maintenance, maintenance checks, cleaning AOG support, etc.
SIA Engineering (Philippines) Corporation (SIAEP) is a wholly owned subsidiary of SIA Engineering Company (SIAEC). Located at Clark International Airport, it provides aircraft certification and heavy maintenance checks, airframe structural inspections, repairs, modifications, paint-stripping, painting, and non-destructive testing checks.[38]