TL Sport Unveils Sirius BackCountry at AirVenture

New STOL aircraft are engineered to meet the FAA’s new MOSAIC performance-based standards.

Monday, July 28, 2025 at 11:25 AM ET

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L Sport Aircraft unveiled the Sirius BackCountry, a high-performance STOL aircraft designed for the North American market. [Courtesy: TL Sport Aircraft]

Key Takeaways:

TL Sport Aircraft unveiled its new Sirius BackCountry model at EAA AirVenture, a high-performance STOL aircraft specifically engineered for the North American market.
The aircraft boasts impressive short-field capabilities (takeoff under 100 ft, landing under 200 ft) with a 156 mph cruise speed, constructed from carbon Kevlar composite and equipped with 26-inch Alaskan Bushwheel tires.
It is designed to be "MOSAIC-ready," complying with the FAA's recently finalized Modernization of Special Airworthiness Certification rules that reform the LSA category with performance-based standards, with its debut perfectly timed with the rule's release.
Beyond its utility, the Sirius BackCountry's cockpit includes premium features such as heated leather seating and a configurable Garmin avionics panel for both VFR and IFR flight.

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TL Sport Aircraft officially unveiled its new Sirius BackCountry model last week at EAA AirVenture in Oshkosh, Wisconsin, introducing a high-performance short takeoff and landing (STOL) aircraft specifically engineered for the North American market.

Modeled after its popular high-wing predecessors, like the TL-3000 Sirius, the BackCountry combines short-field capability with high-speed cruise performance.