Octans Aircraft
Octans Aircraft is a Brazilian light-aircraft manufacturer based in São João da Boa Vista, São Paulo.
Last updated August 31, 2026
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Overview
Octans Aircraft is a Brazilian aircraft manufacturer focused on light aviation. The company is based in São João da Boa Vista, in the state of São Paulo, and traces its origins to INPAER, whose Portuguese name was Indústria Paulista de Aeronáutica. INPAER was established in 2002 as a producer of light aircraft and went on to manufacture more than 240 light sport aircraft. Its early business was therefore centered on the established light-sport-aircraft market rather than on large commercial or military aviation. A significant change occurred in 2013, when banker Milton Roberto Pereira acquired one-third of the company’s shares. Under the resulting strategic direction, the business placed greater emphasis on type-certified aircraft. This shift implied a move toward aircraft intended to meet formal civil-aviation certification requirements, rather than relying solely on the lighter regulatory framework associated with some sport-aircraft categories. The company invested in modernizing its production facility and adopted Siemens Digital Industries Software to support product development and certification work. These investments were intended to improve engineering processes and accelerate the path from design to a certifiable aircraft. Following a restructuring in 2017, the company adopted the Octans Aircraft name. At the same time, it announced a new light-aircraft project initially designated the 300A. The project was subsequently renamed the Octans Cygnus. The Cygnus became the principal publicly identified aircraft program associated with the rebranded company and represented the company’s effort to establish a new type-certified product. In early 2018, Octans announced that rights to INPAER’s previous designs had been sold to a former owner, separating those earlier design rights from the company’s newer development direction. The first Cygnus prototype was completed, after which the company began the certification process with Brazil’s National Civil Aviation Agency, known by its Portuguese acronym ANAC. Deliveries were forecast for the second half of 2021. The available reference material does not establish whether that forecast was achieved, whether the Cygnus entered serial production, or what the company’s current commercial and operational status is. Accordingly, Octans Aircraft is best described as a Brazilian light-aircraft manufacturer with a documented transition from sport-aircraft production toward type-certified aircraft development, but with limited publicly documented information about its later activities. Its positioning is primarily industrial and engineering-led: a domestic Brazilian aerospace manufacturer seeking to develop and certify light aircraft while retaining experience from earlier light-sport-aircraft production. The company is not documented here as a diversified aerospace group, a publicly traded corporation, or a major international aircraft brand.
History
Octans Aircraft developed from INPAER, or Indústria Paulista de Aeronáutica, a Brazilian light-aircraft manufacturer founded in 2002. The original company produced light sport aircraft and is reported to have manufactured more than 240 examples. This production history gave the business an established base in Brazil’s light-aviation sector before its later attempt to move into type-certified aircraft. In 2013, banker Milton Roberto Pereira purchased one-third of the company’s shares. After this investment, the company’s strategic focus shifted toward type-certified aircraft. To support the new direction, it modernized its manufacturing plant and adopted Siemens Digital Industries Software for product-development and certification activities. The changes were intended to strengthen the company’s engineering capability and make the development of a certifiable aircraft more efficient. A restructuring in 2017 brought a new corporate identity: INPAER became Octans Aircraft. The renamed company announced a new light-aircraft project known initially as the 300A. The aircraft was later renamed the Octans Cygnus. The program was the clearest expression of the company’s post-restructuring strategy, linking its earlier experience in light aircraft with the more demanding objective of obtaining formal civil-aircraft certification. In early 2018, Octans announced that it had sold the rights to INPAER’s previous designs to a former owner. The transaction helped separate the legacy design portfolio from the company’s newly branded development work. Around the same period, the first Cygnus prototype was completed and the certification process was started with Brazil’s National Civil Aviation Agency, or ANAC. Deliveries were projected for the second half of 2021. The available reference does not provide a confirmed production-delivery record for the Cygnus, subsequent certification outcome, later ownership information, or a verified current website. The company’s present status is therefore recorded as unknown rather than assumed to be active or defunct. Its documented history nevertheless shows a clear evolution from a Brazilian light-sport-aircraft producer into a manufacturer pursuing a type-certified light-aircraft program.
- 2021
Projected Cygnus deliveries
[1]The company forecast deliveries of the Cygnus for the second half of 2021. The available reference does not confirm whether this target was met.
- 2018
Cygnus prototype and certification program
[1]The 300A is renamed the Octans Cygnus; the first prototype is completed and the Brazilian certification process begins.
- 2017
INPAER becomes Octans Aircraft
[1]A restructuring results in the Octans Aircraft name and the announcement of a new light-aircraft project designated 300A.
- 2013
Minority investment and strategic refocus
[1]Milton Roberto Pereira acquires one-third of the company’s shares, after which the business emphasizes type-certified aircraft and upgrades its production and engineering capabilities.
- 2002
INPAER is founded
[1]Indústria Paulista de Aeronáutica, known as INPAER, is established in Brazil as a light-aircraft manufacturer.
Products and positioning
A Brazilian light-aircraft manufacturer transitioning from light sport aircraft production toward type-certified aircraft development.
Light aircraft
Light sport aircraft
INPAER’s original product area was the manufacture of light sport aircraft. The company is reported to have produced more than 240 aircraft in this broad category before the business shifted its emphasis toward type-certified aircraft. Specific model names, technical specifications, and production dates are not established in the available reference material.
Type-certified light aircraft · 2017
Octans Cygnus
The Octans Cygnus was a new light-aircraft project announced after the 2017 restructuring of INPAER into Octans Aircraft. It was initially designated the 300A and later renamed Cygnus. The first prototype was completed, and the company commenced the certification process with Brazil’s National Civil Aviation Agency. Deliveries were forecast for the second half of 2021, but the available source does not confirm final certification, serial production, or customer deliveries.
Brand decisions
2018
Cygnus development and certification launchProduct launchBackground
Octans Aircraft was pursuing a type-certified aircraft after its strategic refocus and corporate restructuring.
Action taken
The company renamed the 300A as Cygnus, completed its first prototype, and initiated the Brazilian certification process.
Aftermath
Deliveries were projected for the second half of 2021, although the available source does not verify the subsequent outcome.
2017
Corporate rebranding as Octans AircraftStrategyBackground
The company underwent a restructuring after operating as INPAER.
Action taken
It adopted the Octans Aircraft name and announced the 300A light-aircraft project.
Aftermath
The project later became known as the Octans Cygnus and formed the center of the company’s publicly documented new-product strategy.
2013
Shift toward type-certified aircraftStrategyBackground
After Milton Roberto Pereira acquired one-third of the company, INPAER sought to move beyond its established light-sport-aircraft activity and pursue the type-certified aircraft market.
Action taken
The company invested in plant modernization and adopted Siemens Digital Industries Software to support product development and certification.
Aftermath
The strategic change preceded the later Octans Aircraft rebranding and development of the Cygnus program.
Sources1 sources
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