SIA Engineering Company Limited (commonly abbreviated as SIAEC) () is a Singaporean company specializing in

aircraft An aircraft ( aircraft) is a vehicle that is able to flight, fly by gaining support from the Atmosphere of Earth, air. It counters the force of gravity by using either Buoyancy, static lift or the Lift (force), dynamic lift of an airfoil, or, i ...

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 The Airbus A380 is a very large wide-body airliner, developed and produced by Airbus until 2021. It is the world's largest passenger airliner and the only full-length double-deck jet airliner. Airbus studies started in 1988, and the pr ...

Joint ventures

SIA Engineering is involved in twenty-five joint ventures and subsidiaries with original equipment manufacturers and airlines in

Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...

Hong Kong Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

, the Philippines,

the United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

, and

Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

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 The IAE V2500 is a two-shaft high-bypass turbofan engine built by International Aero Engines (IAE) which powers the Airbus A320 family, the McDonnell Douglas MD-90, and the Embraer C-390 Millennium. The engine's name is a combination of the ...

, 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 The Rolls-Royce RB211 is a British family of high-bypass turbofan engines made by Rolls-Royce. The engines are capable of generating of thrust. The RB211 engine was the first production three-spool engine and turned Rolls-Royce from a signif ...

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 Stratasys, Ltd. is an American-Israeli manufacturer of 3D printers, software, and materials for polymer additive manufacturing as well as 3D-printed parts on-demand. The company is incorporated in Israel. Engineers use Stratasys systems to mod ...

. AFS specializes in

additive manufacturing 3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. It can be done in a variety of processes in which material is deposited, joined or solidified under computer ...

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 The Boeing 787 Dreamliner is an American wide-body airliner developed and manufactured by Boeing Commercial Airplanes. After dropping its unconventional Sonic Cruiser project, Boeing announced the conventional 7E7 on January 29, 2003, wh ...

and

Airbus A350 The Airbus A350 is a flight length, long-range, wide-body twin-engine airliner developed and produced by Airbus. The initial A350 design proposed in 2004, in response to the Boeing 787 Dreamliner, would have been a development of the Airbu ...

. 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 Unit An auxiliary power unit (APU) is a device on a vehicle that provides energy for functions other than propulsion. They are commonly found on large aircraft and naval ships as well as some large land vehicles. Aircraft APUs generally produce 115&n ...

s 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. Moog Inc. ( ) is an American-based designer and manufacturer of electric, electro-hydraulic and hydraulic motion, controls and systems for applications in aerospace, defense, industrial and medical devices. The company operates under four segmen ...

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 In-flight entertainment (IFE) refers to entertainment and other value-added services available to aircraft passengers during a flight. Frequently managed by content service providers, the types of in-flight entertainment and their content vary s ...

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 Malaysia Airlines ( Malay: ''Penerbangan Malaysia'') is the flag carrier of Malaysia, headquartered at Kuala Lumpur International Airport. The airline flies to destinations across Europe, Oceania and Asia from its main hub at Kuala Lumpur Int ...

(20%),

Hong Kong Airlines Hong Kong Airlines Limited (HKA), operating as Hong Kong Airlines (), is an airline based in Hong Kong, with its headquarters in the Tung Chung district and its main hub at Hong Kong International Airport. It was established in 2006 as a m ...

(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 Hong Kong International Airport is an international airport on the island of Chek Lap Kok in western Hong Kong. The airport is also referred to as Chek Lap Kok International Airport or Chek Lap Kok Airport, to distinguish it from its predec ...

, 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 Surabaya is the capital city of East Java Provinces of Indonesia, province and the List of Indonesian cities by population, second-largest city in Indonesia, after Jakarta. Located on the northeastern corner of Java island, on the Madura Strai ...

Denpasar Denpasar (; Balinese script, Balinese: ᬤᬾᬦ᭄ᬧᬲᬃ, ''Dénpasar'') is the capital city of the province of Bali, Indonesia. Denpasar is the largest city in the Lesser Sunda Islands and the second largest city in Eastern Indonesia after ...

, and

Medan Medan ( , ) is the capital city, capital and largest city of the Indonesian Provinces of Indonesia, province of North Sumatra. The nearby Strait of Malacca, Port of Belawan, and Kualanamu International Airport make Medan a regional hub and multi ...

, 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 Airports Corporation of Vietnam (ACV; ) is a Vietnamese joint-stock company with 95.4% state-owned shares, based in Ho Chi Minh City Ho Chi Minh City (HCMC) ('','' TP.HCM; ), commonly known as Saigon (; ), is the most populous city in Vie ...

. 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 Ho Chi Minh City (HCMC) ('','' TP.HCM; ), commonly known as Saigon (; ), is the most populous city in Vietnam with a population of around 14 million in 2025. The city's geography is defined by rivers and canals, of which the largest is Saigo ...

Hanoi Hanoi ( ; ; ) is the Capital city, capital and List of cities in Vietnam, second-most populous city of Vietnam. The name "Hanoi" translates to "inside the river" (Hanoi is bordered by the Red River (Asia), Red and Black River (Asia), Black Riv ...

Nha Trang Nha Trang ( or ; ) is a coastal city and capital of Khánh Hòa Province, on the South Central Coast of Vietnam. It is bounded on the north by Ninh Hoà town, on the south by Cam Ranh city and on the west by Diên Khánh District. The city had ...

, and

Da Nang Da Nang or DanangSee also Danang Dragons (, ) is the fifth-largest city in Vietnam by municipal population. It lies on the coast of the Western Pacific Ocean of Vietnam at the mouth of the Hàn River, and is one of Vietnam's most important p ...

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 is a Cities designated by government ordinance of Japan, designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the List of cities in Japan, third-most populous city in J ...

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 Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of 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

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. 8

References

{{DEFAULTSORT:SIA Engineering Company 1992 establishments in Singapore Singapore Airlines Engineering companies of Singapore Aerospace companies of Singapore Aircraft engineering companies Companies listed on the Singapore Exchange Singaporean brands