Podlaska Wytwórnia Samolotów
A Polish aircraft manufacturer that produced licensed and domestically designed military, training, passenger, and glider aircraft from 1923 until the destruction of its factory in 1939.
Last updated August 24, 2026
AI crawler reads
No AI crawler has read this profile since Oct 28, 2026.
Overview
Podlaska Wytwórnia Samolotów, commonly abbreviated PWS and sometimes rendered in English as the Podlachian Aircraft Factory, was a Polish aerospace manufacturer based in Biała Podlaska. Established as a joint-stock company in 1923, it became one of the important aircraft-production centers of the interwar Polish aviation industry. Its business initially depended heavily on licensed production for the Polish Air Force, particularly French and Czech designs, but the company gradually developed a substantial indigenous design capability. The first aircraft built by PWS were Potez XV bombers produced under French licence from 1925. During the second half of the 1920s, the factory expanded its output with licensed Potez XXV bombers, Potez 27 aircraft, and PWS-A fighters, the latter being a Polish-built version of the Czech Avia BH-33. The company also manufactured Bartel BM-4 trainers designed by the Samolot company. These programs gave PWS practical experience in airframe construction, production organization, and military supply while Poland was building an independent aviation sector after the restoration of statehood. A design office created in 1925 brought together engineers including Stefan Cywiński, Zbysław Ciołkosz, and August Bobek-Zdaniewski. Although many PWS projects remained prototypes or were produced only in small numbers, the design office eventually produced aircraft that established the factory as more than a licence manufacturer. The PWS-10, a fighter introduced in 1930, was the first Polish-designed fighter to enter series production, with 80 aircraft built. The PWS-24 passenger aircraft was likewise the first Polish-designed passenger aircraft to be manufactured in series. Other indigenous designs included the PWS-14 trainer and later the PWS-16 and PWS-26 advanced trainers. PWS invested in technical infrastructure as well as aircraft production. In 1929 it completed a wind tunnel described as the first in Poland, supporting aerodynamic research and the development of domestic designs. PWS aircraft generally used wooden or mixed construction, reflecting the materials, manufacturing methods, and design practices of the period. The company experienced serious financial difficulty and was nationalized in 1932 to prevent bankruptcy. Under state control, it produced approximately 500 RWD-8 trainers, designed by the RWD group, and 50 Avro Tutor trainers under British licence, designated PWS-18. The factory also developed the PWS-16 and PWS-26 advanced trainers. The PWS-26 became one of its most successful products, with approximately 320 built between 1936 and 1939 for Polish military aviation. In 1936 PWS was placed under the authority of Państwowe Zakłady Lotnicze, Poland's state aviation-industrial organization. It continued to work on military aircraft projects, including the twin-engine PWS-33 Wyżeł advanced trainer and the PWS-35 sports biplane. Both programs were intended for production, but the outbreak of the Second World War prevented deliveries. In October 1937, Lwowskie Warsztaty Lotnicze was established as a PWS division. This unit built gliders, including types carrying PWS designations, and produced approximately 160 gliders before the war. PWS's existence ended during the German invasion of Poland. On 4 September 1939, German bombing destroyed approximately 70 percent of the Biała Podlaska factory. After the Soviet invasion of Poland, the remaining equipment was plundered by Soviet forces. The company did not resume its interwar aircraft-manufacturing role. Its historical importance lies in the transition it represents from licensed production to Polish aircraft design, the development of domestic aviation engineering, and the expansion of military and training-aircraft manufacturing during the interwar period.
History
Podlaska Wytwórnia Samolotów was founded in 1923 in Biała Podlaska as a Polish aircraft manufacturer. Its early production supported the Polish Air Force through licensed manufacture. From 1925, PWS built Potez XV bombers under French licence. By 1929, its output also included 150 Potez XXV aircraft, 155 Potez 27 aircraft, and 50 PWS-A fighters based on the Czech Avia BH-33. The company produced 50 Bartel BM-4 trainers in 1931. PWS established a design office in 1925, employing engineers such as Stefan Cywiński, Zbysław Ciołkosz, and August Bobek-Zdaniewski. This office developed a succession of aircraft, although many remained prototypes or were built only in limited quantities. The PWS-10 fighter, introduced in 1930, was the first Polish-designed fighter to be mass-produced. Eighty were built. The PWS-24 was the first Polish-designed passenger aircraft to enter series production, while the PWS-14 represented another domestic trainer project. In 1929 the company built a wind tunnel, giving Poland an important new aeronautical research facility. Financial problems led to nationalization in 1932. Under state ownership, PWS manufactured about 500 RWD-8 trainers and 50 Avro Tutor trainers under licence, designated PWS-18. It also developed the PWS-16 and PWS-26 advanced trainers. The PWS-26 was particularly successful, with about 320 produced from 1936 through 1939. In 1936 the factory was subordinated to Państwowe Zakłady Lotnicze, integrating it into the Polish state aviation industry. The company continued to prepare new projects for military and civil aviation. The PWS-33 Wyżeł twin-engine advanced trainer and PWS-35 sports biplane were ordered for production, but neither delivered aircraft before the Second World War began. In October 1937, Lwowskie Warsztaty Lotnicze was organized as a PWS division. It built gliders, including designs carrying PWS designations, and completed approximately 160 gliders before the war. The German invasion brought the factory's effective end. On 4 September 1939, German bombing destroyed roughly 70 percent of the facility. Following the Soviet invasion of eastern Poland, surviving equipment was plundered. PWS did not re-emerge as the same interwar aircraft manufacturer. Its legacy is associated with the growth of Polish aircraft design, the creation of indigenous fighter and trainer programs, and the industrialization of Polish military aviation before 1939.
- 1939
Factory destroyed during the war
[1]German bombing destroyed approximately 70 percent of the factory on 4 September, after which remaining equipment was plundered by Soviet forces.
- 1937
LWL division established
[1]Lwowskie Warsztaty Lotnicze was formed as a PWS division for aviation-workshop and glider production.
- 1936
Integration with PZL
[1]PWS was subordinated to Państwowe Zakłady Lotnicze.
- 1932
Nationalization
[1]The Polish state nationalized PWS to prevent its bankruptcy.
- 1930
PWS-10 fighter produced in series
[1]The PWS-10 became the first Polish-designed fighter built in series, with 80 aircraft produced.
- 1929
Wind tunnel completed
[1]The factory completed a wind tunnel regarded as Poland's first.
- 1925
Design office and licensed production
[1]PWS established a design office and began licensed production of Potez XV bombers.
- 1923
Company established
[1]Podlaska Wytwórnia Samolotów was founded in Biała Podlaska as a Polish aircraft manufacturer.
Products and positioning
An interwar Polish aircraft manufacturer combining licensed production for the armed forces with the development of indigenous wooden and mixed-construction aircraft, especially fighters and trainers.
Licensed bomber · 1925
Potez XV
PWS's first major production aircraft was the French Potez XV bomber, built under licence for the Polish Air Force from 1925. The program gave the factory experience in military-aircraft manufacture and formed the foundation of its early production activity.
Licensed bomber
Potez XXV
The Potez XXV was one of PWS's principal late-1920s licensed-production programs. Approximately 150 were built, contributing to the Polish Air Force's bomber fleet while PWS expanded its industrial capacity.
Licensed fighter
PWS-A
The PWS-A was the Polish-built version of the Czech Avia BH-33 fighter. Fifty were produced under licence, demonstrating PWS's role in adapting foreign military designs for Polish service.
Fighter aircraft · 1930
PWS-10
The PWS-10 was the first Polish-designed fighter to enter series production. Introduced in 1930, it used the company's established wooden and mixed-construction practices and was built in a run of 80 aircraft.
Passenger aircraft
PWS-24
The PWS-24 was a domestically designed passenger aircraft and the first Polish-designed passenger plane produced in series. Its limited production reflected the company's developing civil-aircraft capability.
Licensed trainer
PWS-18
The PWS-18 was the Polish licence-built version of the British Avro Tutor trainer. Fifty examples were produced after the company came under state ownership.
Advanced trainer
PWS-16
The PWS-16 was an indigenous advanced-trainer design developed during the company's state-controlled period. It formed part of PWS's effort to supply Polish-designed training aircraft for military aviation.
Advanced trainer · 1936
PWS-26
The PWS-26 was PWS's most successful indigenous trainer. Approximately 320 were built between 1936 and 1939, making it a significant component of Poland's pre-war military aviation-training system.
Gliders · 1937
PWS gliders
Through its Lwowskie Warsztaty Lotnicze division, PWS produced gliders, including designs carrying PWS designations. Approximately 160 gliders were built before the outbreak of the Second World War.
Brand decisions
1936
Subordination to Państwowe Zakłady LotniczeStrategyBackground
Poland was consolidating its aviation manufacturing resources under a state industrial structure.
Action taken
PWS was placed under the authority of Państwowe Zakłady Lotnicze.
Aftermath
The factory continued military-aircraft development and production within the state aviation system until wartime destruction in 1939.
1932
State nationalization to prevent bankruptcyStrategyBackground
PWS encountered financial problems and faced the possibility of failure.
Action taken
The Polish state nationalized the company and redirected it toward state aviation requirements, including licensed and domestically designed trainer production.
Aftermath
The factory continued operating and later produced the PWS-26 in substantial numbers, although its corporate independence was reduced.
Sources1 sources
Cite this profile: Cite the canonical profile. /brand-wiki/podlaska-wytwórnia-samolotów · Editorial policy · How profiles are compiled