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ST Engineering Aerospace
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ST Engineering, is a global technology, defence and engineering group with a diverse portfolio of businesses across the aerospace, smart city, defence and public security segments. Headquartered in Singapore, the group reported a revenue of over S$11 billion in 2024 and ranks among the largest companies listed on the Singapore Exchange. It is a component stock of MSCI Singapore, FTSE Straits Times Index and Dow Jones Best-in-Class Asia Pacific Index.[1]
 | It has been suggested that ST Engineering Land Systems be merged into this article. (Discuss) Proposed since August 2025. |
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The Group harnesses technology and innovation to solve real-world problems, enabling a more secure and sustainable world. It leverages synergies across the group and strategic partnerships externally to accelerate innovation, its strategic AI pillars, and its core technological and engineering capabilities.[2]
ST Engineering has more than 27,000 employees with diverse background and skills, including over 19,000 engineering and technical talents.[3]
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History
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ST Engineering's history began with its precursor, the Chartered Industries of Singapore, which was established in 1967 by the newly independent Singaporean government as an ammunition manufacturer.
Businesses related to aerospace and shipbuilding were later created and put under the ST umbrella. The ST group of companies went commercial in 1990, setting up its first commercial airframe manufacturing, repair and overhaul facilities in Singapore and the United States. [4][5]
Singapore Aerospace Maintenance Company (SAMCO) and Singapore Aero-Engine Overhaul (SAEOL) were set up in 1975 and 1977 respectively. to provide maintenance and support services to the Republic of Singapore Air Force (RSAF). [citation needed]
On 29 December 1994, the Singapore Technologies group announced changes of name to companies under its umbrella, in response to calls to enhance global recognition of the "Singapore Technologies" group identity as it expands overseas. Singapore Aerospace was renamed Singapore Technologies Aerospace Ltd (or ST Aerospace), Singapore Automotive Engineering renamed Singapore Technologies Automotive Ltd (or ST Automotive, ST Auto), Singapore Shipbuilding and Engineering renamed Singapore Technologies Shipbuilding and Engineering Ltd (or ST Shipbuilding), Singapore Electronic Engineering Pte Ltd renamed Singapore Technologies Electronics & Engineering Ltd (or ST Electronics & Engineering). [6][7]
Formation of ST Engineering Group
On 28 August 1997, Singapore Technologies Engineering Ltd, a single public-listed holding entity created through the merger of Singapore Technologies Aerospace Ltd, Singapore Technologies Automotive Ltd, Singapore Technologies Shipbuilding & Engineering Ltd, and ST Electronic & Engineering Ltd was announced.[8] The amalgamation would be carried out through exchange of shares under Section 210 of the 1967 Companies Act of Singapore, where existing ordinary shares of the four respective companies were cancelled in exchange for fully paid-up ordinary shares to be issued by ST Engineering in the following rates, and any new ordinary shares to be issued under ST Engineering. [9][10]
In tandem was the announcement of the lifting of limit on foreign ownership on its shares. [10] Singapore Technologies Pte Ltd, representing the Singapore Technologies group of companies, would hold 65.9 per cent of the issued share capital of the newly formed ST Engineering Ltd (including a direct interest of 53.2 per cent.).[9] ST Engineering's shares debuted on the Stock Exchange of Singapore on 8 December 1997, at the time becoming the largest industrial company to be listed on the main board. [11][12][10]
In October 2004, ST Engineering's assets were transferred under Temasek Holdings, along with all companies under the parent holding company Singapore Technologies Pte Ltd, as part of a major restructuring exercise that saw the dissolution of Singapore Technologies Pte Ltd. The move would bring about S$20 million of cost savings to Temasek Holdings, by lower the cost of debt, and provide direct visibility over the listed companies previously held by Singapore Technologies Pte Ltd as an intermediate holding company. [13][14] The restructuring of STPL was declared completed on 31 December 2024, with all shareholdings in the listed and unlisted companies and other assets previously held by STPL fully transferred to Temasek Holdings. [15]
Since then, ST Engineering has grown to become one of Asia's largest defence and engineering groups for commercial and defence organisations across multiple industries.[16] In Mar 2007, ST Engineering was ranked 19th in the aerospace & defence industry and 1,661th of 2,000 of the world's largest public companies by Forbes.[17]
Consolidation of ST Engineering brand
In 2018, the ST Engineering Group harmonised all brands of its divisions by using "ST Engineering" as a Masterbrand.[18] Through the re-branding, ST Aerospace was renamed ST Engineering Aerospace, ST Electronics as ST Engineering Electronics, ST Kinetics as ST Engineering Land Systems, and ST Marine as ST Engineering Marine.[19][20]
On 1 January 2021, ST Engineering was reorganised Commercial, and Defense & Public Security clusters, replacing the previous sector-based structure of Aerospace, Electronics, Land Systems, and Marine. The Commercial cluster would focus on commercial businesses such as Commercial Aerospace, Urban Solutions and Satellite Communications, while the Defense & Public Security cluster would focus on defense businesses such as Digital Systems and Cyber, Land Systems, Marine and Defense Aerospace. As a result, the Group’s financial reporting was realigned to reflect these new operating segments, with the changes incorporated into its financial results for the first half of the year, ending 30 June 2021. [21]
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Areas of business
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ST Engineering has a diverse portfolio of businesses and a global network of subsidiaries and associated companies across Asia, Europe, the Middle East and the U.S.[22]
Its Commercial Aerospace arm is the world’s largest third-party airframe MRO solution provider and a Premier MRO for CFM LEAP engines.[23] The businesses support aircraft operations and OEM partners with aviation lifecycle solutions or holistic offerings for practically every stage of an aircraft's lifecycle.[24]
In 2024, its Urban Solutions business was awarded a S$60m contract to design, build and operate a state-of-the-art smart city platform with citywide network connectivity for Lusail City, Qatar. Powered by AI, machine learning and data analytics, ST Engineering Urban Solution’s Agil Smart City Operating System will serve as the digital backbone of Lusail.[25]
ST Engineering is a major player in the defence and military industries. It was ranked Number 58 in the Stockholm International Peace Research Institute's list of the world's top 100 defence manufacturers in 2023.[26] Outside of Singapore, it has sold defence products to over 100 countries,[27] including United States, United Kingdom, Indonesia, Philippines, United Arab Emirates, Brazil, Sweden, India, Thailand and Finland.[28] ST Engineering do not design, produce or sell anti-personnel mines, cluster munitions, white phosphorus munitions and its related key components.[29]
On December 12, 2024, ST Engineering signed a strategic agreement with Kazakhstan Paramount Engineering to set up in-country production capability for a new 8x8 armored vehicle.[30]
ST Engineering expanded to the United States in 2001, locating its U.S. headquarters in Herndon, Virginia. It now operates in 52 cities across 21 states.[31] It was known as VT Systems (VTS; formerly known as Vision Technologies Systems) until 1 July 2019, when VTS was changed to ST Engineering North America as part of the Group’s brand harmonization exercise in 2018.[32]
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Core capabilities
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ST Engineering's businesses span across the aerospace, smart city, defence and public security sectors.
Aerospace
ST Engineering Aerospace, formerly known as ST Aerospace, is the commercial aerospace entity of ST Engineering. Headquartered in Singapore, it has international offices and facilities located at aviation hubs in Asia-Pacific, Europe and the United States. ST Engineering's Commercial Aerospace business provides aircraft design and engineering, original equipment manufacturing, nose-to-tail aftermarket and maintenance services as well as assets management and leasing. And also passenger-to-freighter conversion or refurbishment.
ST Engineering's Aerospace arm provides aviation asset management [33] to commercial airlines, airfreight operators [34] and military operators.[35] It is the world's largest airframe maintenance, repair, and operations (MRO) company, and one of the few with in-house engineering design and development capabilities.[36] On top of MRO capabilities,[37] ST Engineering also has expertise as an OEM specialising in engine nacelle [38] and composite panels. It is the only company in the world offering Airbus freighter conversions [39] using OEM data.
ST Engineering is a major investor in Skyports to provide drone services for Singapore’s Public Utilities Board.[40]
In 2021, ST Engineering Aerospace reportedly employs more than 8,500 certified engineers and administrative specialists around the world and has a global customer base that includes major airlines and freight carriers. Aviation Week ranked the aerospace company as the world's largest, independent, third party airframe MRO provider with an annual capacity of more than 13 million commercial airframe man-hours in 2018.[41]
Smart City
ST Engineering's capabilities for Smart City addresses the connectivity,[42] mobility,[43] security,[44] infrastructure [45] and environmental [46] needs of cities. Its products span over rail and road, autonomous and electric vehicles, mobility payment systems, building access and security systems, as well as IoT products for lighting, water and energy management.[47]
In March 2022, ST Engineering completed its acquisition of Transcore to enhance its Smart City products through TransCore’s tolling and congestion pricing businesses.[48]
Defence & Public Security
ST Engineering's defence business provides integrated defence technologies and critical systems spanning the digital,[49] air,[50] land [51] and sea [52] domains. It has over four decades of activity in the development of military technology, from aircraft and avionics upgrades, to designing and building battlefield mobility platforms, soldier systems, ammunition and naval vessels.
Its capabilities in Public Security cover critical infrastructure,[53] intelligence operations,[54] homeland security applications [55] and maritime system,[56] which have been implemented in more than 100 cities worldwide.
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Aerospace Projects
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During the 1980s, ST Engineering Aerospace commenced work on a major upgrade programme on the Douglas A-4S Skyhawk attack aircraft then in service with the Republic of Singapore Air Force (RSAF). Referred to as the A-4SU Super Skyhawk, the modification package involved replacing the original Wright J65 turbojet engine with a non-afterburning model of the newer General Electric F404-GE-100D turbofan engine, along with a complete modernisation of the avionics suite and additional equipment being installed, including a Pave Penny laser seeker, an Inertial navigation system (INS), a Tactical air navigation system (TACAN), fore & aft Radar warning receivers (RWR) and chaff/flare countermeasures) of the aircraft.[57] The F404 engine provided 29% more thrust, resulting in a 30% reduction in takeoff time as well as an increase in usable payload, range and maximum speed of 610 knots (1,130 km/h; 700 mph) at sea level.[57][58] In total, approximately 150 airframes (all A-4Bs and Cs) were acquired by Singapore.[59]
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Since the 1990s, ST Engineering Aerospace has been a partner involved in the Eurocopter EC120 Colibri programme. On 20 October 1992, a contract for the joint development contract of the new helicopter was signed by the three principle partners of the project, the newly-formed Eurocopter, China National Aero-Technology Import & Export Corporation (CATIC) and ST Engineering Aerospace.[60] Under the joint development agreement, Eurocopter received a 61% controlling interest and technical leader in the programme, CATIC received a 24% work share and STAero received a 15% work share; CATIC designed and produced the cabin structure and fuel system, ST Engineering Aerospace produced the tail boom, access doors, and composite materials, while Eurocopter produced the dynamic assemblies, installed the avionics, electrical and hydraulic systems, and conducted the final assembly activity.[61]
From the programme's onset, the EC120 had been intended to be co-produced, with partners sought in China, Singapore, and Australia.[60][62][63] By October 1998, more than 100 orders had been received for the type, leading to the production rate being increased from four helicopters per month to six.[64] In 2002, Eurocopter was in the process of establishing a second assembly line for the EC120 at Australian Aerospace's facility in Brisbane, Australia.[65] On 11 June 2004, a final production agreement was signed; under the agreement, CATIA and HAIG received exclusive market rights in China, and Eurocopter agreed to stop selling French-built EC120s in mainland China.[66] In June 2014, the People's Liberation Army of China became the launch customer for the Harbin-produced HC120, reportedly placing an order for eight of the type with options for fifty more.[66]
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Subsidiaries/Divisions
Subsidiaries/Divisions under ST Engineering Aerospace
- ST Engineering Aerospace Engineering Pte Ltd - provides depot level maintenance, aircraft upgrading, refurbishment, major structural repair and life extension programmes for a wide range of military and general aviation aircraft including helicopters. they also provide extensive base and line maintenance services for commercial aircraft such as the B737 and A320.[67][68]
- ST Engineering Aerospace Services Co Pte Ltd - operates from Singapore's Changi and Paya Lebar airports, specialises in airframe heavy maintenance and modification for wide-body aircraft, including B747 Section 41 modification, Passenger-to-Freighter (PTF) conversion and fleet standardisation[67][69]
- VT Aerospace Mobile - located at the Brookley Aeroplex in Mobile, Alabama, United States, they specialise in aircraft heavy maintenance and repair of narrow-body and wide-body aircraft. They are also equipped for aircraft interior modification work, subsidiary business of VT Systems[67][70]
- ST Engineering Aerospace Engines Pte Ltd- provides repair and overhaul services for military and civil aero-engines and accessories.[71][72]
- ST Engineering Aerospace Technologies (Xiamen) Co (STATCO) - provides engine MRO services, located in Xiamen, China
- ECO Services LLC - joint investment with Pratt & Whitney, provides ECO power engine wash services, subsidiary business of VT Systems
- ST Engineering Aerospace Systems - Asia Pacific's largest independent component repair and overhaul company, specializes in aircraft avionics repair and overhaul, components and systems. T .[71][73]
- ST Engineering Aerospace Precision Products Pte Ltd - manufactures casting and mould tooling for customers in the aerospace, oil ad gas, defense and commercial industries.
- ST Engineering Aerospace Solutions - provides aircraft component repair, management and logistics services, it has facilities in various airports in Copenhagen, Denmark; Arlanda, Sweden; Gardermoen, Norway; and Stansted, United Kingdom. Originated in 2008 from the acquisition of SAS Components A/S in Copenhagen, Denmark [71][74]
- Guangzhou Aerospace Technologies & Engineering (GATE) - import and export facility in China, serves as one of the ST Engineering Aerospace global distribution centres for rotables distribution.[71][75]
- Engineering & Development Centre (EDC) - provides avionics integration, engineering design solutions, Supplementary Type Certificates (STC), technical services [67][76]
- Middle River Aerostructure Systems (MRAS) - operates in Baltimore, Maryland, US. MRAS specialises in the production of engine nacelle systems and their thrust reversers, along with complex aerostructures for applications on commercial and military aircraft.
Associated companies
- Shanghai Technologies Aerospace Company (STARCO) - joint venture (49% shareholding) with China Eastern Airlines, provides aircraft MRO services, located in Shanghai, China
- ST Engineering Aerospace (Guangzhou) Aviation Services Co. Ltd. (STAG) - joint venture (49% shareholding) with Guangdong Airport Management Corp, provides aircraft MRO services, located in Guangzhou, China
- Turbine Overhaul Services (TOS) - joint venture (49% shareholding) with Pratt & Whitney, specialises in the repair of gas and steam-related components.
- Elbe Flugzeugwerke GmbH or EADS EFW - invested equity interest (35%), capabilities include passenger-to-freighter conversions, aircraft maintenance and repair, as well as engineering services. It also manufactures and supplies composite flat sandwich panels to Airbus.
- Composite Technology International (CTI) - joint venture (33.3% shareholding), provides overhaul, repair and modification services for helicopter rotor blades.
- Turbine Casting Services (TCS) - joint venture (24.5% shareholding), specialises in the repair of PW4000 turbine airfoils by using advanced coating technologies.
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Controversies
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Corruption for ship-repair contracts
In 2014, ST Engineering and its subsidiaries ST Engineering Marine and ST Engineering Aerospace were hit by one of the largest corruption scandals in Singapore history following investigations by the Corrupt Practices Investigation Bureau.[77][78][79]
In December 2014, former ST Engineering Marine and ST Engineering Aerospace president, Chang Cheow Teck, was charged with conspiring with two subordinates to offer bribes in return for ship-repair contracts between 2004 and 2010.[80] The corruption charges were eventually withdrawn and in January 2017, Chang pleaded guilty to "failing to use reasonable diligence in performing his duties" and was given a short detention order of 14 days.[77] Former ST Marine CEO and president See Leong Teck was also charged with seven counts of corruption.[80] In December 2016, See was sentenced to 10 months' jail and a $100,000 fine.[78]
Since then, six other former ST Engineering Marine senior executives were implicated in the corruption scandal, including former financial controller and senior vice-president of finance Ong Tek Liam who pleaded guilty to ten out of 118 charges in relating to the falsification of accounts,[81] former senior vice-president Mok Kim Whang who pleaded guilty to 49 out of 826 corruption charges,[79] ex-chief operating officer Han Yew Kwang who pleaded guilty to 50 out of 407 charges and was sentenced to six months' jail and fined $80,000,[82] former president of commercial business Tan Mong Seng who faced 445 corruption charges[83] and was sentenced to 16 weeks' jail,[79][84] and ex-financial controller Patrick Lee Swee Ching who pled guilty to seven of 38 charges of conspiring with others between 2004 and 2007 to make false entries in petty cash vouchers, and was given the maximum fine of $210,000.[85]
In June 2017, Ong Teck Liam was sentenced to a fine of SGD300,000 ($217,200), in default 30 weeks’ imprisonment. Ong was the last to be sentenced. [86][87]
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References
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