STOL CRUISER: Redefining Ultralight Aviation
Direct Fly s.r.o. presents the STOL CRUISER, an all-metal high-wing ultralight aircraft engineered for exceptional short take-off and landing capabilities combined with impressive cruising performance. This innovative aircraft bridges the gap between rugged bush flying and comfortable long-distance travel.
View Aircraft
About Direct Fly s.r.o.
Direct Fly s.r.o. is a leading Czech aviation company specializing in the design, development, and manufacturing of innovative ultralight and light sport aircraft. Based in Brno-Medlánky, we combine cutting-edge engineering with practical aviation solutions to create aircraft that meet the demanding needs of modern pilots.
Our flagship STOL CRUISER represents years of research and development, embodying our commitment to safety, performance, and versatility. We serve pilots worldwide who demand exceptional aircraft for both recreational and professional applications.
Contact Information
Direct Fly s.r.o.
Turistická 667/77
Brno-Medlánky, 621 00
Czech Republic
Coordinates: 49°14'29.779"N, 16°33'37.047"E
Our Mission: Excellence in Aviation Engineering
Innovation
Developing cutting-edge aircraft designs that push the boundaries of ultralight aviation performance and capability.
Safety
Prioritizing pilot and passenger safety through rigorous testing and adherence to international aviation standards.
Versatility
Creating aircraft that excel in multiple roles, from bush flying to cross-country touring.
The STOL CRUISER Advantage
The STOL CRUISER represents a breakthrough in ultralight aircraft design, combining short-field capabilities with high-speed cruising performance. This all-metal high-wing aircraft was developed specifically to meet the demanding requirements of pilots who need versatility without compromising performance.
Unlike traditional ultralights that sacrifice speed for short-field performance, the STOL CRUISER delivers both. Its unusually high flight performance for the category makes it suitable for all-round use, including sports flying with landing on unpaved areas and comfortable long-distance travel. The aircraft is certified in both UL and LSA categories, expanding its accessibility to pilots worldwide.
Technical Excellence: Performance Specifications
600
Maximum Takeoff Weight
Kilograms - optimized for ultralight category
222
Maximum Speed
km/h - exceptional for the category
56
Stall Speed
km/h - landing configuration for safe operations
151
Takeoff Distance
Meters over 15m obstacle - true STOL capability
Complete Technical Specifications
Power and Reliability: Rotax 912 ULS Engine
Proven Performance
The STOL CRUISER is powered by the renowned Rotax 912 ULS engine, a proven powerplant trusted by pilots worldwide. This engine delivers reliable performance across a wide range of operating conditions, from high-altitude mountain flying to sea-level operations.
The Rotax 912 ULS provides the perfect balance of power, fuel efficiency, and reliability for the STOL CRUISER's mission profile. Its proven track record in ultralight and light sport aviation makes it the ideal choice for this versatile aircraft.
Future-Ready Design
While the standard configuration features the Rotax 912 ULS, the STOL CRUISER's design accommodates more powerful powerplants. This forward-thinking approach ensures the aircraft can evolve with advancing engine technology and meet diverse pilot requirements.
The flexible engine mounting system allows for future upgrades, providing owners with long-term versatility and investment protection.
Wing Design: Engineering for Performance
The STOL CRUISER's wing represents a significant engineering achievement, designed as a self-supporting structure without oblique struts. This clean design reduces drag and improves overall aerodynamic efficiency, contributing to the aircraft's impressive cruise speed.
01
Trapezoidal Design
Optimized planform for balanced lift distribution and efficient high-speed cruise performance.
02
Leading Edge Slots
Integrated slots enhance low-speed handling and reduce stalling speed for safe short-field operations.
03
Fowler Flaps
Advanced flap system increases both wing area and camber, dramatically reducing landing speeds.
Fuselage Design: Visibility and Efficiency
The STOL CRUISER's fuselage geometry has been carefully optimized to provide exceptional pilot visibility at higher angles of incidence. This is crucial for short-field operations where precise control during approach and landing is essential.
The all-metal construction ensures durability and longevity while maintaining light weight. The rear fuselage is specifically tailored to accommodate tail surfaces in a traditional arrangement, providing predictable handling characteristics that pilots appreciate.
The spacious cabin features a width of 1.2 meters, providing comfortable side-by-side seating for two occupants. This generous interior space makes long cross-country flights more enjoyable while maintaining the aircraft's compact external dimensions.
Landing Gear: Rugged and Reliable
The STOL CRUISER's landing gear system is engineered to handle the demanding requirements of short-field and unpaved runway operations. The robust design provides excellent ground handling characteristics while absorbing the stresses of operations on challenging surfaces.
Robust Construction
Heavy-duty components designed to withstand repeated operations on unpaved surfaces and rough terrain.
Optimal Geometry
Carefully designed geometry provides excellent ground clearance and stability during takeoff and landing.
Shock Absorption
Advanced suspension system smooths out rough surfaces and protects the airframe during bush operations.
Certification and Compliance
The STOL CRUISER is certified in both UL (Ultralight) and LSA (Light Sport Aircraft) categories, making it accessible to a wide range of pilots with different licensing requirements. This dual certification demonstrates our commitment to meeting international aviation standards while maximizing the aircraft's market reach.
1
UL Category
Meets ultralight aircraft requirements for simplified operations and reduced regulatory burden.
2
LSA Category
Certified as Light Sport Aircraft, expanding pilot eligibility and operational flexibility.
3
International Standards
Complies with recognized aviation safety standards for worldwide acceptance.
Versatile Mission Profiles
All-Round Capability
The STOL CRUISER excels across diverse mission profiles, from recreational bush flying to serious cross-country touring. Its unique combination of short-field performance and high cruise speed makes it suitable for operations that would challenge conventional ultralights.
Bush Flying
Land on unpaved strips, mountain meadows, and remote locations with confidence. The STOL CRUISER's short takeoff and landing capabilities open up destinations inaccessible to conventional aircraft.
  • Unpaved runway operations
  • Mountain strip access
  • Remote area exploration
Cross-Country Travel
Cruise comfortably at 182 km/h for efficient long-distance travel. The 110-liter fuel capacity provides excellent range for extended journeys.
  • High-speed cruising
  • Extended range capability
  • Comfortable two-seat cabin
STOL CRUISER in Action
The STOL CRUISER has proven its capabilities in real-world operations, from bush flying adventures to appearances at prestigious aviation events. Our aircraft has demonstrated its versatility at Masaryk Racing Days and in challenging bush flying scenarios, showcasing the performance that sets it apart from conventional ultralights.
"The STOL CRUISER combines the best of both worlds - I can land on a mountain strip and still cruise home at respectable speeds."
"Finally, an ultralight that doesn't compromise. Short-field capability with cross-country performance."
Our Manufacturing Excellence
Direct Fly s.r.o. maintains rigorous manufacturing standards to ensure every STOL CRUISER meets our exacting quality requirements. Our all-metal construction provides durability and longevity that composite aircraft cannot match, while our precision engineering ensures consistent performance across all aircraft.
1
Design Phase
Advanced CAD modeling and aerodynamic analysis ensure optimal performance before construction begins.
2
Manufacturing
Precision metalworking and assembly using proven aerospace techniques and materials.
3
Testing
Comprehensive ground and flight testing validates performance and safety before delivery.
4
Certification
Final inspection and certification ensure compliance with all regulatory requirements.
Services We Offer
Beyond aircraft manufacturing, Direct Fly s.r.o. provides comprehensive services to support our customers throughout their ownership experience. We are committed to ensuring that every STOL CRUISER owner receives the support they need for safe, enjoyable flying.
Maintenance Support
Expert technical support and maintenance guidance to keep your STOL CRUISER in peak condition throughout its operational life.
Training Programs
Comprehensive training for new owners to maximize safety and performance in all operating conditions.
Parts and Accessories
Genuine parts and approved accessories to customize and maintain your aircraft to the highest standards.
For detailed information about our complete services offering, visit our Services page or contact us directly.
Why Choose Direct Fly?
Expertise and Experience
Our team brings decades of combined experience in aircraft design, manufacturing, and aviation operations. We understand what pilots need because we are pilots ourselves.
Innovation-Driven
We continuously push the boundaries of what's possible in ultralight aviation, incorporating the latest technologies and design principles into our aircraft.
Customer-Focused
Your success and satisfaction drive everything we do. From initial consultation through delivery and beyond, we're committed to your aviation journey.
Read more
Stay updated on the latest STOL CRUISER developments, aviation news, and Direct Fly activities through our social media channels. Join our growing community of aviation enthusiasts and STOL CRUISER owners.
Facebook
Follow us on Facebook for updates and community discussions
Instagram
See our photos on Instagram showcasing aircraft in action
LinkedIn
YouTube
Watch videos on YouTube featuring flight demonstrations
Safety and Quality Commitment
At Direct Fly s.r.o., safety is not just a priority—it's the foundation of everything we do. Every STOL CRUISER is built to exceed regulatory requirements, incorporating multiple safety features and redundancies to protect pilots and passengers.
Rigorous Testing Protocols
Every aircraft undergoes comprehensive ground and flight testing before delivery, ensuring all systems perform flawlessly.
Quality Materials
We use only certified aerospace-grade materials and components from trusted suppliers with proven track records.
Continuous Improvement
We actively incorporate feedback from operators and advances in aviation technology to continuously enhance our aircraft.
Environmental Responsibility
The STOL CRUISER's efficient design minimizes environmental impact while maximizing performance. The Rotax 912 ULS engine provides excellent fuel economy, reducing both operating costs and carbon emissions.
Our all-metal construction ensures the aircraft is fully recyclable at end of life, and the durable design means fewer resources consumed over the aircraft's operational lifetime. We believe responsible aviation means building aircraft that perform exceptionally while respecting our environment.
Investment and Ownership
Owning a STOL CRUISER represents a smart investment in your aviation future. The aircraft's versatility means it can adapt to your changing needs, from weekend recreation to serious cross-country travel. The all-metal construction ensures longevity and maintains value better than composite alternatives.
100%
Metal Construction
Durable, long-lasting airframe that maintains value
110
Fuel Capacity (Liters)
Extended range for serious cross-country capability
2
Certification Categories
UL and LSA certification expands resale market
Getting Started with Your STOL CRUISER
Beginning your journey with a STOL CRUISER is straightforward. Our team guides you through every step, from initial consultation to first flight and beyond.
Initial Consultation
Contact us to discuss your requirements, mission profile, and customization options for your aircraft.
Configuration
Work with our team to select options and specifications that match your flying needs and preferences.
Manufacturing
Your aircraft is built to order with regular updates on progress and opportunities to visit our facility.
Delivery and Training
Take delivery of your STOL CRUISER with comprehensive training to ensure safe, confident operations.
Explore Our Complete Aircraft Line
While the STOL CRUISER represents our flagship design, Direct Fly s.r.o. offers additional aircraft solutions to meet diverse aviation needs. Visit our complete aircraft page to explore our full range of offerings.
Each aircraft in our portfolio reflects the same commitment to quality, performance, and innovation that defines the STOL CRUISER. Whether you're seeking specialized capabilities or different performance characteristics, we have solutions to match your aviation requirements.

Interested in learning more about our aircraft options? Contact our team at info@directfly.cz to schedule a consultation and discover which Direct Fly aircraft is right for you.
Frequently Asked Questions
General Questions
What is the STOL CRUISER?
The STOL CRUISER is an all-metal high-wing ultralight aircraft designed for short take-off and landing with exceptional cruise speed. It combines bush flying capability with comfortable cross-country performance.
What certifications does the STOL CRUISER hold?
The aircraft is certified in both UL (Ultralight) and LSA (Light Sport Aircraft) categories, making it accessible to pilots with different licensing requirements.
What engine powers the STOL CRUISER?
The standard powerplant is the Rotax 912 ULS engine, though the design accommodates more powerful engines for future upgrades or specific requirements.
Performance Questions
What is the cruise speed?
The STOL CRUISER cruises at 182 km/h, with a maximum horizontal speed of 222 km/h—exceptional performance for the ultralight category.
How short is the takeoff distance?
The aircraft can clear a 15-meter obstacle in just 151 meters, demonstrating true STOL capability for operations from short, unpaved strips.
What is the stall speed?
In landing configuration with flaps deployed, the stall speed is just 56 km/h. Clean configuration stall speed is 74 km/h.
More Frequently Asked Questions
Technical and Operational Questions
What is the fuel capacity and range?
The STOL CRUISER has a 110-liter fuel tank, providing excellent range for extended cross-country flights while maintaining reserve requirements.
How many people can it carry?
The aircraft features side-by-side seating for two occupants in a cabin that is 1.2 meters wide, providing comfortable space for pilot and passenger.
Can it operate from unpaved runways?
Yes, the STOL CRUISER is specifically designed for operations from unpaved surfaces, making it ideal for bush flying and remote area access.
What is the maximum takeoff weight?
The MTOW is 600 kg, optimized for the ultralight category while providing useful load for fuel, passengers, and baggage.
What makes the wing design special?
The self-supporting trapezoidal wing features leading edge slots and Fowler flaps, reducing drag while enabling low-speed operations.
Is the aircraft all-metal construction?
Yes, the STOL CRUISER features all-metal construction for durability, longevity, and ease of maintenance compared to composite alternatives.
What training is required?
Training requirements depend on your country's regulations and the certification category. We provide comprehensive training programs for new owners.
Where is Direct Fly located?
We are based in Brno-Medlánky, Czech Republic at Turistická 667/77. Coordinates: 49°14'29.779"N, 16°33'37.047"E.
How do I contact Direct Fly?
Email us at info@directfly.cz or visit our website. We're also active on Facebook, Instagram, LinkedIn, and YouTube.
What services does Direct Fly offer?
Beyond aircraft sales, we provide maintenance support, training programs, parts and accessories, and comprehensive customer service throughout ownership.
Can the engine be upgraded?
Yes, the design accommodates more powerful engines beyond the standard Rotax 912 ULS, providing flexibility for future upgrades.
What is the never-exceed speed?
The Vne (never exceed speed) is 261 km/h, providing a comfortable margin above cruise speed for safety.
How does visibility compare to other aircraft?
The fuselage geometry is optimized for excellent pilot visibility at high angles of incidence, crucial for short-field operations.
What is the wingspan?
The wingspan is 9.752 meters, providing excellent lift characteristics while remaining manageable for hangar storage.
Contact Aircraft Africa
Aabre Aircraft is the exclusive distributor of the KR-030 Topaz in South Africa.
Richard Stubbs
Phone: 083 655 0355

Visit Us
Eagles Creek Airfield
GPS Coordinates:
S25 54 27.00 : E028 02 10.00
Radio Frequency: 125.8
Contact us today to schedule a demonstration flight, discuss financing options, or learn more about owning a KR-030 Topaz. We look forward to helping you achieve your aviation dreams.