2009 Dynamic WT9 – A Light Sport Aircraft Reimagined with a New Engine and Prop

Few light sport aircraft deliver the performance, comfort, and craftsmanship of the 2009 Dynamic WT9. Designed and produced by CZECH SPORT PLANES SRO, this aircraft blends European engineering with modern efficiency. What makes this particular example, registration N355MM, stand out is its new Rotax 912ULS engine and ultra-light carbon fiber E-Prop, both installed in 2024. Together, they transform this already capable airframe into a remarkably smooth, responsive, and efficient machine.

As a 2009 model with 1,555 total airframe hours and a fresh Annual Inspection dated October 17, 2024, this Dynamic WT9 offers the perfect balance of performance and peace of mind. With a new engine, new prop, and upgraded Garmin avionics, it’s a turnkey sport plane ready for many more years of reliable flying.

This aircraft will be available through Airspace Auctions, offering an excellent opportunity for pilots seeking a meticulously maintained, modernized light sport aircraft at exceptional value.

History of the Dynamic WT9

The Dynamic WT9 was first introduced in the early 2000s by Aerospool s.r.o., a Slovak company specializing in composite aircraft construction. Although often associated with Czech sport aviation, the Dynamic WT9 reflects a collaborative Central European approach to lightweight aircraft engineering—where craftsmanship, aerodynamic design, and performance efficiency converge.

The aircraft’s full composite airframe was revolutionary for the light sport category when it debuted. Aerospool (working under Czech Sport Planes SRO distribution for the U.S. market) designed the WT9 for efficiency and versatility—capable of short-field performance, docile low-speed handling, and spirited cruise speeds exceeding 120 knots.

The Dynamic WT9 quickly gained recognition among private owners, flight schools, and sport pilots for its precision handling and low fuel burn. Built to European ultralight and LSA standards, it’s become a trusted name in the light aircraft community for those seeking dependable and enjoyable personal aviation.

Over the years, refinements in avionics, interior comfort, and propulsion technology have kept the WT9 competitive. The 2009 model year marked a phase of increased popularity in the U.S. light sport market, driven by its impressive range, fuel economy, and elegant European styling.

About Czech Sport Planes SRO

Czech Sport Planes SRO has been a key name in the development and distribution of advanced light sport aircraft across Europe and North America. Known for its quality control and expertise in importing and certifying European light aircraft, the company bridges the gap between European design philosophy and FAA Light Sport certification standards.

The Czech Republic and Slovakia have long been recognized for their aviation heritage, producing aircraft known for precise engineering and composite construction excellence. Czech Sport Planes has carried that legacy forward, supporting a variety of aircraft types from training aircraft to performance sport planes like the WT9.

With a focus on innovation, safety, and pilot comfort, Czech Sport Planes SRO and its manufacturing partner Aerospool have consistently refined the Dynamic WT9 platform to meet evolving pilot expectations. Today, the aircraft remains a symbol of reliability and value—a perfect blend of aerodynamic efficiency and modern design.

The 2009 Dynamic WT9 – Overview and Highlights

This 2009 Dynamic WT9 (Serial Number DY334/2009, Registration N355MM) represents a standout example in the light sport category. With a new engine, new propeller, and new Garmin glass panel avionics, this aircraft combines proven airframe performance with updated systems for 21st-century reliability.

Highlights:

• New Rotax 912ULS engine (installed October 2024)
  
• New E-Prop carbon fiber fixed-pitch propeller (installed July 2024)
  
• New dual Garmin G3X 10” touchscreens, Garmin G5 backup, and GFC 500 autopilot
  
• Total Airframe Time: 1,555 hours
  
• Engine Time Since New: 78 hours
  
• Lightest propeller available on the market
  
• Fresh Annual: October 17, 2024
  
• Excellent balance of speed, efficiency, and comfort
  
• Starting Bid: $69,000
  

This WT9 offers an ideal combination of low-time components, modern avionics, and proven design—making it an exceptional aircraft for private pilots and light sport enthusiasts alike.

Uses and Performance

The Dynamic WT9 has long been celebrated for its blend of speed, efficiency, and ease of handling. With a cruise speed of 124 knots and a fuel burn of roughly 4.5 gallons per hour, it offers outstanding range and economy. Its 700-nautical-mile range enables cross-country flights with minimal stops, while the 42-knot stall speed ensures safe, predictable behavior in the pattern.

Because of its stability, efficiency, and straightforward handling, the Dynamic WT9 is often considered an excellent first airplane. Certified Flight Instructors appreciate how easily it trims out and how naturally it responds to control inputs, making it a favorite for both primary training and time building. Its forgiving flight dynamics and predictable stall behavior inspire confidence, helping new pilots develop precise stick-and-rudder skills.

Operating costs are refreshingly low thanks to the Rotax 912ULS engine’s reliability and economy, while the composite airframe keeps maintenance and fuel consumption minimal. The result is a light sport aircraft with affordable ownership and efficient operation, ideal for pilots who want to log hours, improve proficiency, or simply enjoy frequent flying without breaking the bank.

This aircraft serves equally well for:

• Private ownership and recreational flying
  
• Sport pilot training and time-building
  
• Cross-country travel for business or leisure
  
• Efficient short-field operations
  

Pilots appreciate its control harmony, light handling, and excellent visibility. The low fuel burn and Rotax reliability make it one of the most economical aircraft in its class—ideal for pilots who want maximum enjoyment with minimal maintenance cost.

Airframe

The airframe is where the Dynamic WT9 truly shines. Built from advanced composite materials, the structure is light yet exceptionally strong. The all-composite monocoque design gives it sleek aerodynamics and reduces drag, resulting in excellent climb and cruise efficiency.

• Manufacturer: Czech Sport (Aerospool)
  
• Model: Dynamic WT9
  
• Serial Number: DY334/2009
  
• Registration: N355MM
  
• Total Airframe Time: 1,555 hours
  
• Annual Inspection: October 17, 2024
  
• Fuel Capacity: 33.29 gallons
  
• Stall Speed: 42 KIAS (no flaps)
  
• Useful Load: 509 lbs
  
• Range: 700 nm
  
• Cruise Speed: 124 knots @ 5,500 rpm
  

This airframe’s sleek, low-drag profile enables fuel-efficient cross-country performance while maintaining excellent stability in low-speed operations. The Dynamic WT9’s lightweight construction and refined aerodynamics contribute to its reputation as a sport aircraft that feels equally at home in the pattern or on long cross-country routes.

Engine – New Rotax 912ULS

At the heart of this aircraft is a brand-new Rotax 912ULS engine, installed in October 2024 by Custom Aviation Services, LLC. The 912ULS is a 100-horsepower, four-cylinder, air- and liquid-cooled engine that has become the gold standard for light sport aircraft worldwide.

• Manufacturer: Rotax
  
• Model: 912ULS
  
• Horsepower: 100 hp
  
• Serial Number: 10003492
  
• Engine Total Time: 78 hours since new
  
• Date of Installation: October 17, 2024
  
• Installation Location: Custom Aviation Services, LLC
  

Renowned for its reliability and fuel efficiency, the Rotax 912ULS delivers smooth and quiet power. The 78-hour total time since new means this engine is essentially in the prime of its life, offering thousands of additional flight hours before any major overhaul is needed.

The new engine enhances not only reliability but also efficiency. Paired with the lightweight propeller, it achieves excellent climb rates and cruise speeds while keeping operational costs minimal—an essential quality for any sport aircraft.

Propeller – E-Prop DUR-3-170-C4-T (New in 2024)

Equipped with an E-Prop carbon fiber, three-blade fixed-pitch propeller, this aircraft benefits from one of the lightest and most advanced prop designs available on the market today. Installed in July 2024, the E-Prop significantly enhances performance, responsiveness, and vibration reduction.

• Model: DUR-3-170-C4-T
  
• Material: Carbon Fiber
  
• Type: Fixed-pitch, three-blade
  
• Total Time: 103 hours
  
• Installation Date: July 24, 2024
  
• Installed by: Custom Aviation Services, LLC
  

E-Props are known for their smooth operation, low inertia, and durability. The carbon fiber blades reduce rotational mass, improving acceleration and climb performance. For pilots, this translates to crisp throttle response, reduced wear on the engine, and overall smoother flight characteristics.

Together, the new engine and propeller combination defines this Dynamic WT9 as a true standout—delivering both efficiency and excitement with every flight.

Avionics – Modern Garmin Suite

Avionics modernization is a key factor in this aircraft’s appeal. In 2023, the aircraft was upgraded with new Garmin avionics, giving it a state-of-the-art flight deck that rivals modern certified aircraft.

Installed Equipment:

• Dual Garmin G3X 10-inch Touchscreens
  
• Garmin G5 Backup Display
  
• Garmin GTR 200B Com Radio
  
• Garmin GFC 500 Autopilot
  
• Garmin GTX 45R Transponder
  
• Heading Indicator
  

While not IFR certified, the system provides exceptional situational awareness and ease of operation for VFR and light cross-country flying. The dual-screen G3X setup offers PFD and MFD flexibility, displaying flight data, navigation, engine monitoring, and more.

The Garmin GFC 500 Autopilot adds precision and reduced workload during longer flights, while the GTX 45R ensures ADS-B compliance for modern airspace operations. These avionics upgrades significantly enhance safety, usability, and overall flying enjoyment.

Exterior

The exterior of the 2009 Dynamic WT9 remains as sleek and contemporary as the day it was built. Finished in white with black accents, the paint scheme complements the aircraft’s aerodynamic lines and composite surfaces.

The streamlined canopy design offers excellent visibility and a sport-like cockpit feel. Despite being a 2009 airframe, its condition is remarkably clean, showing the care and attention given by previous owners. There is one minor hangar ding on the left wing near the navigation light, caused by the light fixture loosening in the wind—a purely cosmetic issue that doesn’t affect structural integrity.

Otherwise, the exterior shows no corrosion, no significant flaws, and no missing logbooks—testament to its meticulous upkeep and hangared protection.

Interior

Inside, this Dynamic WT9 feels fresh and modern. The cream and orange interior brings a touch of contemporary sport style, while new seats and side panels installed in 2023 enhance both comfort and aesthetics.

• Seats: Orange with modern stitching (replaced 2023)
  
• Side Panels: Cream and orange (replaced 2023)
  
• Carpet: Gray
  

The cockpit is well laid out, with intuitive Garmin displays, ergonomic seating, and quality materials throughout. It feels far from utilitarian—more like a refined, personal sport coupe for the sky. This combination of style, comfort, and usability underscores the aircraft’s strong appeal among discerning sport pilots.

Additional Features and Condition

This WT9 is in excellent mechanical and cosmetic condition, with complete logbooks and no corrosion or known flaws. The only noted incident was a minor hangar ding, fully documented and isolated to a non-structural area near the left navigation light.

Other noteworthy details include:

• No corrosion
  
• No missing logbooks
  
• No major damage history
  
• Hangar kept
  
• Light sport compliant
  

The aircraft’s fresh Annual Inspection (October 2024) ensures airworthiness and readiness for immediate flight. Combined with the low-time engine and propeller, this aircraft represents a rare opportunity to own a nearly turnkey sport aircraft with all major systems recently renewed.

Uses and Performance

The Dynamic WT9 has long been celebrated for its blend of speed, efficiency, and ease of handling. With a cruise speed of 124 knots and a fuel burn of roughly 4.5 gallons per hour, it offers outstanding range and economy. Its 700 nautical mile range enables cross-country flights with minimal stops, while the 42-knot stall speed ensures safe, predictable behavior in the pattern.

This aircraft serves equally well for:

• Private ownership and recreational flying
  
• Sport pilot training and time-building
  
• Cross-country travel for business or leisure
  
• Efficient short-field operations
  

Pilots appreciate its control harmony, light handling, and visibility. The low fuel burn and Rotax reliability make it one of the most economical aircraft in its class—ideal for pilots who want maximum enjoyment with minimal maintenance cost.

Auction Information

This 2009 Dynamic WT9 (N355MM) will be offered by Airspace Auctions. Details are as follows:

• Starting Bid: $69,000
  
• Buyer Premium: 6%
  
• Deposit Required: $4,000
  
• Auction Location: DWH (David Wayne Hooks Airport)
  
• Category: Light Sport
  
• Seats: 2
  
• Type: SEL
  

Given the new engine, propeller, and avionics suite, this WT9 represents exceptional value for buyers looking for a light sport aircraft that’s ready to fly, efficient to operate, and modern in both form and function.

Conclusion

The 2009 Dynamic WT9 (N355MM) stands as a fine example of what makes Czech and Slovak aircraft engineering so respected—efficient, elegant, and durable. With a new Rotax 912ULS engine, a new E-Prop carbon fiber propeller, and Garmin glass panel avionics, it offers near-new performance in a proven airframe.

This aircraft is perfect for pilots who appreciate the harmony of modern technology and dependable design. Its light handling, fuel efficiency, and fresh upgrades make it one of the most compelling light sport aircraft currently available.

With the upcoming Airspace Auctions event, this Dynamic WT9 presents a rare opportunity to own a modernized LSA at a fraction of new aircraft cost. For pilots seeking reliability, performance, and the confidence that comes with new major components, this aircraft represents a clear takeoff point into years of enjoyable, efficient flying.

Specifications and/or descriptions are provided as introductory information only and do not constitute representations or warranties. Verification of specifications remains the sole responsibility of the purchaser.