AB Svenska Järnvägsverkstädernas Aeroplanavdelning
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AB Svenska Järnvägsverkstädernas Aeroplanavdelning (English: ''Swedish Railroad Workshops' Air Plane Department''), commonly shortened to ASJA, was a Swedish aircraft manufacturing company. Based in
Linköping Linköping ( , ) is a city in southern Sweden, with around 167,000 inhabitants as of 2024. It is the seat of Linköping Municipality and the capital of Östergötland County. Linköping is also the episcopal see of the Diocese of Linköping (Chu ...
,
Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...
, it was established during late 1930 as a
subsidiary A subsidiary, subsidiary company, or daughter company is a company (law), company completely or partially owned or controlled by another company, called the parent company or holding company, which has legal and financial control over the subsidia ...
venture of the industrial conglomerate AB Svenska Järnvägsverkstäderna (English: ''Swedish Railway Workshops Co''). production activity centred around
licensed production Licensed production is the production under license of technology developed elsewhere. The licensee provides the licensor of a specific product with legal production rights, technical information, process technology, and any other proprietary compo ...
of aircraft designed by other companies, but it also pursued its own designs, such as the
ASJA L1 Viking Asja is a Slavic feminine given name, originating as a pet form of Anastasia and Anna. Notable persons with the name Asja include: * Asja Hrvatin (born 1990), Slovene writer and researcher * Asja Lācis (1891–1979), Latvian actress and theatre ...
and ASJA Viking II. In 1936, ASJA held discussions with
Bofors AB Bofors ( , , ) is a former Swedish arms manufacturer which today is part of the British arms manufacturer BAE Systems. The name has been associated with the iron industry and artillery manufacturing for more than 350 years. History Locate ...
towards creating a common company for design and manufacturing of aircraft; on 31 March 1937, the two companies formed the short-lived
AB Förenade Flygverkstäder AB, Ab, or ab may refer to: Arts and media * ''American Bandstand'', a music-performance television show * ''Analecta Bollandiana'', an academic journal * Ancienne Belgique, a concert hall in Brussels, Belgium Business Business terminology * '' ...
(AFF). During 1939, ASJA was acquired and integrated into a new entity,
Svenska Aeroplan AB Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...
(more commonly known as ''Saab'').


History

AB Svenska Järnvägsverkstädernas Aeroplanavdelning (ASJA) was originally founded as a
subsidiary A subsidiary, subsidiary company, or daughter company is a company (law), company completely or partially owned or controlled by another company, called the parent company or holding company, which has legal and financial control over the subsidia ...
company of the industrial conglomerate AB Svenska Järnvägsverkstäderna (English: ''Swedish Railway Workshops Co''). This parent company had specialised in the building of
rolling stock The term rolling stock in the rail transport industry refers to railway vehicles, including both powered and unpowered vehicles: for example, locomotives, Railroad car#Freight cars, freight and Passenger railroad car, passenger cars (or coaches) ...
and
locomotive A locomotive is a rail transport, rail vehicle that provides the motive power for a train. Traditionally, locomotives pulled trains from the front. However, Push–pull train, push–pull operation has become common, and in the pursuit for ...
s for Sweden's expanding railway network, had expanded to become the dominant industry in
Linköping Linköping ( , ) is a city in southern Sweden, with around 167,000 inhabitants as of 2024. It is the seat of Linköping Municipality and the capital of Östergötland County. Linköping is also the episcopal see of the Diocese of Linköping (Chu ...
by the 1920s. This decade saw a downturn in business, which motivated the company's directors to pursue a strategy of diversification into new markets and opportunities; accordingly, it began manufacturing heating
boiler A boiler is a closed vessel in which fluid (generally water) is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, including water heating, centra ...
s, hot water heaters and
heat exchanger A heat exchanger is a system used to transfer heat between a source and a working fluid. Heat exchangers are used in both cooling and heating processes. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contac ...
s, under the ''Parca'' brand name. During September 1930, the company's board issued a formal decision to establish its own aircraft manufacturing venture as an individual division. Initially, this new division was small in scale, having less than a hundred employees during 1933. During this era, wood was remained one of the most important construction components in aircraft, thus over a quarter of ASJA's workshop staff were
carpenter Carpentry is a skilled trade and a craft in which the primary work performed is the cutting, shaping and installation of building materials during the construction of buildings, ships, timber bridges, concrete formwork, etc. Carpenter ...
s. Early production activity centred around
licensed production Licensed production is the production under license of technology developed elsewhere. The licensee provides the licensor of a specific product with legal production rights, technical information, process technology, and any other proprietary compo ...
of aircraft designed by other companies, but it also pursued its own designs, such as the
ASJA L1 Viking Asja is a Slavic feminine given name, originating as a pet form of Anastasia and Anna. Notable persons with the name Asja include: * Asja Hrvatin (born 1990), Slovene writer and researcher * Asja Lācis (1891–1979), Latvian actress and theatre ...
and ASJA Viking II. While the company was directed to share its knowledge and design experiences with other Swedish ventures, such as
Svenska Aeroplan AB Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...
, ASJA were allegedly reluctant to disclose such expertise, thus such cooperation was limited. During 1936, the Swedish
Riksdag The Riksdag ( , ; also or , ) is the parliament and the parliamentary sovereignty, supreme decision-making body of the Kingdom of Sweden. Since 1971, the Riksdag has been a unicameral parliament with 349 members (), elected proportional rep ...
had decreed that a total of 257 combat aircraft and 80 trainer aircraft should be procured by 1943 for the
Swedish Air Force The Swedish Air Force ( or just ) is the air force Military branch, branch of the Swedish Armed Forces. History The Swedish Air Force was created on 1 July 1926 when the aircraft units of the Army and Navy were merged. Because of the escalatin ...
; the lure of a sizable order on offer drew attention not only from ASJA but rival aircraft manufacturers as well. ASJA entered talks with
Bofors AB Bofors ( , , ) is a former Swedish arms manufacturer which today is part of the British arms manufacturer BAE Systems. The name has been associated with the iron industry and artillery manufacturing for more than 350 years. History Locate ...
on the topic of creating a common company for design and manufacturing of aircraft; accordingly, in January 1937, they agreed to share the stock between them 50–50. On 31 March 1937, the two companies formed
AB Förenade Flygverkstäder AB, Ab, or ab may refer to: Arts and media * ''American Bandstand'', a music-performance television show * ''Analecta Bollandiana'', an academic journal * Ancienne Belgique, a concert hall in Brussels, Belgium Business Business terminology * '' ...
(AFF). This new entity was intended to undertake the development and design of new aircraft in relation to the demands of the Swedish Air Force, while production activity was to be divided between the two companies' plants in
Trollhättan Trollhättan () is the 23rd-largest city in Sweden, the seat of Trollhättan Municipality, Västra Götaland County. It is situated by Göta älv, near the lake Vänern, and has a population of approximately 50,000 in the city proper. It is loc ...
and Linköping. In addition to participating in the AFF joint venture, some figures within ASJA were keen to continue independently developing their own aircraft designs. During 1938, it became clear that there was a need for a new army and marine reconnaissance aircraft; ASJA decided to submit their ASJA L10 proposal directly, rather than through AFF. This move was viewed as fatal to AFF due to the loss in faith from its circumvention, leading to its winding up during spring 1939. Following this, a complex series of negotiations, acquisitions, mergers, name changes, and relocations were executed in a short space of time; most significant to ASJA was its acquisition and integration into a reformed
Svenska Aeroplan AB Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...
(more commonly known as ''Saab''). While this acquisition brought about an end to ASJA's independence as well as the use of its name, its facilities became a core element of the new company's production assets, while several of the aircraft that were designed under its tenure would also be manufactured during this era. Likewise, several former managers of both ASJA and AFF played key roles in the new organisation. The Saab company still operates as an aerospace manufacturer through to the present day.


Aircraft types built

* ASJA F1 *
ASJA L1 Viking Asja is a Slavic feminine given name, originating as a pet form of Anastasia and Anna. Notable persons with the name Asja include: * Asja Hrvatin (born 1990), Slovene writer and researcher * Asja Lācis (1891–1979), Latvian actress and theatre ...
* ASJA L2 (military designation Ö 9) * ASJA L10 (later became
Saab 17 The Saab 17 is a Sweden, Swedish single-engine monoplane reconnaissance dive-bomber aircraft of the 1940s originally developed by AB Svenska Järnvägsverkstädernas Aeroplanavdelning, ASJA prior to its merger into Saab AB , Saab. It was the fir ...
) * ASJA L11 (later became
Saab 18 The Saab 18 was a twin-engine bomber and reconnaissance aircraft, designed and built by Svenska Aeroplan AB (SAAB) for use by the Swedish Air Force in response to a 1938 design competition. Due to delays, it did not enter service until 1944, but ...
) * ASJA Viking II * de Havilland DH 82 Tiger Moth * Focke-Wulf Fw 44J Stieglitz *
Hawker Hart The Hawker Hart is a British two-seater biplane light bomber aircraft that saw service with the Royal Air Force (RAF). It was designed during the 1920s by Sydney Camm and manufactured by Hawker Aircraft. The Hart was a prominent British aircraf ...
* North American NA-16 * Northrop 8A-1 *
Raab-Katzenstein RK-26 Raab-Katzenstein RK-26 Tigerschwalbe, also known as the Fieseler F 1 Tigerschwalbe, was a German twin-seat biplane trainer aircraft designed by Gerhard Fieseler by the end of the 1920s. Design and development In December 1930, Fieseler was invited ...
Tigerschwalbe * Svenska Aero SA-14 * Svenska Aero SA-15


References


External links

{{DEFAULTSORT:Ab Svenska Jarnvagsverkstadernas Aeroplanavdelning Defunct manufacturing companies of Sweden Aircraft manufacturers of Sweden Companies based in Östergötland County 20th century in Östergötland County Linköping