TL-ULTRALIGHT
TL-ULTRALIGHT, s.r.o. is a Czech-based manufacturer of ultralight and Light Sport Aircraft founded in 1989, producing composite-material Sting, Sirius, Stream, and Sparker models with ROTAX engines for private pilots, flight schools, and business aviation customers across 40+ countries.
- Company typePrivate
- Founded1989
- HeadquartersHradec Kralove, Czechia
- Headcount101–250
- GTM typeB2C
- OfferingHardware or Manufacturing
What TL-ULTRALIGHT does
TL-ULTRALIGHT, s.r.o. is a Czech-based manufacturer of ultralight (UL) and Light Sport Aircraft (LSA), founded in 1989 by Jiří Tlustý in Hradec Králové. The company designs and produces composite-material aircraft using CAD/CAM and CNC technologies, with a product portfolio centered on the Sting series (TL-2000 Sting S4 with fixed gear and Sting RG with retractable gear), the Sirius series (TL-3000 Sirius and the Sirius BackCountry variant), the flagship Stream and Stream Turbo tandem-seat aircraft, and the Sparker. Aircraft are powered by ROTAX engines (912, 912S, 912iS, 914 variants) with configurable avionics including Garmin G3X systems, and the company offers proprietary accessories such as PowerMax propellers.
The business operates a global go-to-market model, selling custom-built aircraft directly from Czech headquarters and through a network of authorized distributors in over 40 countries across Europe, North America, South America, Africa, Asia, and Oceania. Regional offices such as TL-ULTRALIGHT France supplement the distributor network, and the company participates in major aviation trade shows including AERO Friedrichshafen for product launches. Revenue is generated primarily through one-time hardware sales of aircraft, supplemented by spare parts and customization services. Over its 35-year history, TL-ULTRALIGHT has produced approximately 1,000 aircraft, secured type approvals in multiple jurisdictions (including UK BCAR Section S for the Stream in 2025), and maintains a workforce of 101-250 employees. The company is privately held by its founder, with no disclosed institutional investment or public listing.
TL-ULTRALIGHT firmographics
Firmographics- Name
- TL-ULTRALIGHT
- Legal name
- TL-ULTRALIGHT, s.r.o.
- Website
- https://tl-ultralight.cz
- Company type
- Private
- Founded year
- 1989
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- TL-ULTRALIGHT, s.r.o. is a Czech-based manufacturer of ultralight and Light Sport Aircraft founded in 1989, producing composite-material Sting, Sirius, Stream, and Sparker models with ROTAX engines for private pilots, flight schools, and business aviation customers across 40+ countries.
- Ownership category
- akta.pro rank
TL-ULTRALIGHT industry classification
Industry- Product category
- Light Sport Aircraft Manufacturing
- NAICS
- Aircraft Manufacturing (336411), Aerospace Product and Parts Manufacturing (33641)
- SIC
- Aircraft (3721), Aircraft & Parts (3720)
- akta.pro primary industry
- Training & Light Sport Fixed-Wing Aircraft Manufacturing (IMABAAAE)
- akta.pro secondary industry
- Business & General Aviation Aircraft Manufacturing (IMABAAAC)
Keywords
Where TL-ULTRALIGHT is headquartered
LocationHeadquarters
- HQ city
- Hradec Kralove
- HQ country
- Czechia
- HQ region
- Europe
Offices2 records
Markets served
TL-ULTRALIGHT business model
Business model- GTM type
- B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Aircraft Sales: Sale of ultralight (UL) and Light Sport Aircraft (LSA) including models such as TL-3000 Sirius, TL-2000 Sting S4, TL-2000 Sting RG, Stream, Stream Turbo, and Sparker. Each aircraft is individually engineered and manufactured with attention to detail throughout the production process.
- Spare Parts and Components: Sale of replacement parts, propellers (PowerMax, DuoMax), and components for TL-ULTRALIGHT aircraft.
- Customization and Configuration Services: Individual solutions for aircraft according to customer wishes - color scheme, livery, cockpit equipment, and other customization options.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Multi-year contract | Custom aircraft manufacturing with variable configurations |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels8 records
TL-ULTRALIGHT product offering
Product offeringCore offering
TL-ULTRALIGHT designs, engineers, and manufactures ultralight (UL) and Light Sport Aircraft (LSA) from its facility in Hradec Králové, Czech Republic. Its product portfolio spans high-wing and low-wing composite aircraft models (Sirius, Sting S4, Sting RG, Stream, Stream Turbo, Sparker, Sirius BackCountry) plus an amphibious seaplane variant and proprietary propellers (PowerMax, DuoMax). Aircraft are individually manufactured with customer-specific configurations including engine selection, avionics, livery, and cockpit equipment, with global distribution through authorized representatives in over 40 countries.
Product overview
TL-ULTRALIGHT manufactures ultralight (UL) and Light Sport Aircraft (LSA) from its Czech Republic facility established in 1989. The product portfolio centers on two main aircraft families: the Sting series (TL-2000 Sting S4 with fixed gear and Sting RG with retractable gear) as low-wing designs, and the Sirius series (TL-3000 Sirius and Sirius BackCountry variant) as high-wing all-composite carbon fiber aircraft. The Stream and Stream Turbo represent the flagship tandem-seat designs featuring fighter jet characteristics with retractable gear and turboprop power. The Sparker targets demanding users requiring maximum luggage capacity. An amphibious seaplane variant (Sirius with Floats) extends the Sirius platform for water operations. Supporting products include PowerMax and DuoMax proprietary propellers. All aircraft feature ROTAX engines and offer configurable avionics including Garmin G3X systems. The company maintains global distribution across over 40 countries with production exceeding 1,000 aircraft delivered.
Differentiator
Problem solved
Functional benefit
Brands
- TL-3000 Sirius: High-wing, all-composite carbon fiber aircraft with spacious cockpit, comfortable for long flights.
- TL-2000 Sting
- Stream
- Stream Turbo
- Sparker
- Sirius BackCountry
- PowerMax
Products and services
- TL-2000 Sting S4 Low-wing ultralight aircraft featuring innovative generation design with fixed landing gear. Offers upgraded interior, larger luggage compartment, and comfort-enhancing features. Available in UL and LSA aircraft categories.
- TL-2000 Sting RG Fastest Czech ultralight aircraft featuring retractable landing gear, perfect aerodynamic shape, and spacious cockpit. Suitable for business and private flights, pilot training, and touring, offering an optimal balance of speed and control.
- TL-3000 Sirius High-wing all-composite carbon fiber aircraft with spacious cockpit providing comfort and ease of access. Features ROTAX engines, modern avionics, and excellent flight characteristics suitable for both frequent flyers and training.
- Sirius BackCountry Backcountry variant of Sirius combining luxurious craftsmanship with adventure spirit. Features high cruising speed, spacious interior, and practical details. Designed for mountains, wilderness, and premium adventure travel without compromising comfort and performance.
- Stream Tandem-seat Light Sport Microlight featuring fighter jet characteristics with retractable landing gear. TL-ULTRALIGHT's flagship aircraft combining cutting-edge engineering and aerodynamic design, offering performance comparable to jet aircraft in the ultralight category.
- Stream Turbo High-performance turboprop aircraft powered by TP 100 engine. Combines enormous power with elegant Stream design lines, offering controlled brute force with safety and reliability for pilots seeking maximum performance.
- Sparker Aircraft designed for demanding and aviation-experienced users featuring an elaborate and spacious cockpit with the largest luggage compartment in the UL category. Modern design with exterior door access to baggage compartment for convenient travel.
- Sirius with Floats (Seaplane) Amphibious version of Sirius with TL-ULTRALIGHT's proprietary float design. Capable of landing on water and land with retractable landing gear. Multi-chamber floats with integrated baggage compartment and folding rudder. LSA certified version of TL-3000 Sirius.
- PowerMax Propeller Three-blade, in-flight adjustable propeller with aluminum hub and composite blades. Designed for maximum simplification of control with intuitive propeller management. Features electric or hydraulic adjustment mechanisms. Ideal for all TL-ULTRALIGHT aircraft.
- DuoMax Propeller Two-blade propeller option for TL-ULTRALIGHT aircraft. Electric adjustable variant available with user and installation manual provided.
Quantifiable outcome
- ~1,000 aircraft manufactured and delivered to customers worldwide
- +3 more outcomes
Companies that use TL-ULTRALIGHT
Customer profileSegments4 records
Ideal customer profiles4 records
TL-ULTRALIGHT technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
Feature4 records
TL-ULTRALIGHT partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core and minor.
- J&J TeamcoreNew official distribution partnership announced in May 2025 for the Polish market. J&J Team serves as the official distributor representing TL-ULTRALIGHT in Poland, strengthening support for pilots and aviation partners across the region.
- UK Civil Aviation Authority (CAA)coreRegulatory collaboration for Stream aircraft type approval in the United Kingdom. Certified under BCAR Section S standard after dedicated multi-year collaboration.
- BMAA (British Microlight Aircraft Association)corePartnership in obtaining UK type approval for the Stream aircraft under the demanding BCAR Section S standard.
- TL-Sting (UK) LtdcoreUK-based agent and representative that collaborated with UK CAA and BMAA on obtaining Stream type approval. Serves as TL-ULTRALIGHT's representative in the United Kingdom.
- AERO FriedrichshafencoreTL-ULTRALIGHT participates in the prestigious international trade show AERO Friedrichshafen annually, using this platform for product premieres and customer engagement.
- European UnionminorCo-funding provider for multiple research and development projects including VaV Center expansion, modern manufacturing processes, ICT development, and training center establishment through various operational programs.
- Czech Republic GovernmentminorCo-funding partner alongside EU for multiple projects supporting R&D activities, manufacturing capabilities, and workforce development.
- ROTAX (BRP-Rotax)coreLong-standing engine supplier partnership. ROTAX engines (912, 912S, 912iS, 914) are standard powerplants for TL-ULTRALIGHT aircraft, providing reliable and proven propulsion.
Scale indicators6 records
Recent moves6 records
Expansion highlights6 records
TL-ULTRALIGHT competitors and assessment
Company assessmentDirect peers
- Pipistrel: Slovenian ultralight and Light Sport Aircraft manufacturer with overlapping product lines (Virus, Alpha, Velis Electro). Now part of Textron e-Aviation, Pipistrel directly competes with TL-ULTRALIGHT across recreational and training LSA segments.
- Flight Design GmbH: German manufacturer of the CT series of Light Sport Aircraft (CTLS, CTSW). Comparable composite-construction LSA producer targeting the same European and global recreational and training pilot customer base as TL-ULTRALIGHT.
- Aerospool s.r.o. Slovak ultralight aircraft manufacturer producing the Dynamic WT9 and WT10 LSA family. Closely comparable in geography, product positioning, and customer base to TL-ULTRALIGHT in the Central European UL/LSA segment.
- Tecnam Aircraft: Italian LSA and general aviation manufacturer (P92, P2002, P2008). Competes head-to-head with TL-ULTRALIGHT in the recreational, training, and twin LSA categories with similar ROTAX-powered product positioning.
- Zenith Aircraft Company: US-based kit aircraft and Light Sport manufacturer (STOL CH 750, Zodiac). Comparable in LSA/recreational category with international customer base; while kit-focused, competes for the same private-pilot buyer as TL-ULTRALIGHT.
- Czech Sport Aircraft: Czech-based manufacturer of the PS-28 Cruiser and SportCruiser LSA. Competes with TL-ULTRALIGHT from the same country with overlapping ROTAX-powered fixed-gear and retractable LSA offerings.
- ICP (Industrial Composites and Plastics): Italian LSA manufacturer producing the Savannah and Vimana composite aircraft. Comparable product offering and target customer base to TL-ULTRALIGHT's Sirius and Sting lines in the recreational and training LSA segment.
- Comco Ikarus GmbH: German ultralight manufacturer of the C42 and C52 composite LSA series. Directly competes with TL-ULTRALIGHT in the European recreational and training market with a comparable composite ROTAX-powered product philosophy.
- Evektor-Aerotechnik: Czech LSA and aerostructures manufacturer (Harmony, SportStar) based in the Czech Republic. A direct domestic competitor to TL-ULTRALIGHT in the UL/LSA market, addressing the same European training and recreational customer segments.
Others
- BRP-Rotax GmbH & Co KG: Austrian manufacturer of ROTAX aircraft engines (912, 914 series) that power essentially the entire TL-ULTRALIGHT product line. Included as an enabling supplier rather than a direct competitor — the relationship is core to TL-ULTRALIGHT's powertrain strategy.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
TL-ULTRALIGHT social profiles
Digital presenceTL-ULTRALIGHT financial estimates
Financial estimateRevenue estimate
Valuation estimate
TL-ULTRALIGHT leadership team
Management profileNumber of profiles
Profiles7 records
TL-ULTRALIGHT funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
TL-ULTRALIGHT M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about TL-ULTRALIGHT
What does TL-ULTRALIGHT do?
TL-ULTRALIGHT designs, engineers, and manufactures ultralight (UL) and Light Sport Aircraft (LSA) from its facility in Hradec Králové, Czech Republic. Its product portfolio spans high-wing and low-wing composite aircraft models (Sirius, Sting S4, Sting RG, Stream, Stream Turbo, Sparker, Sirius BackCountry) plus an amphibious seaplane variant and proprietary propellers (PowerMax, DuoMax). Aircraft are individually manufactured with customer-specific configurations including engine selection, avionics, livery, and cockpit equipment, with global distribution through authorized representatives in over 40 countries.
Is TL-ULTRALIGHT a public or private company?
TL-ULTRALIGHT is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was TL-ULTRALIGHT founded?
TL-ULTRALIGHT was founded in 1989. It employs 101 to 250 people.
Where is TL-ULTRALIGHT based?
TL-ULTRALIGHT is headquartered in Hradec Kralove, Czechia, in the Europe region.
How does TL-ULTRALIGHT make money?
Three revenue lines are on record. Aircraft Sales are the primary driver. The others are spare Parts and Components and customization and Configuration Services.
Who are TL-ULTRALIGHT's main competitors?
Direct peers on record are Pipistrel, Flight Design GmbH, Aerospool s.r.o., Tecnam Aircraft, Zenith Aircraft Company, Czech Sport Aircraft, ICP (Industrial Composites and Plastics), Comco Ikarus GmbH and Evektor-Aerotechnik. BRP-Rotax GmbH & Co KG is listed as an others.
Does TL-ULTRALIGHT have an API?
No public API is recorded for TL-ULTRALIGHT.
What industry is TL-ULTRALIGHT in?
TL-ULTRALIGHT's product category is Light Sport Aircraft Manufacturing. Its primary akta.pro industry code is IMABAAAE, Training & Light Sport Fixed-Wing Aircraft Manufacturing, with a secondary code of IMABAAAC, Business & General Aviation Aircraft Manufacturing. Its NAICS code is 336411 and its SIC code is 3721.