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 STOL aircraft at EAA AirVenture, engineered for the North American market.
The aircraft boasts impressive high-performance STOL capabilities, with <100 ft takeoff and <200 ft landing, a 156 mph cruise speed, and rugged features like carbon Kevlar construction and Alaskan Bushwheel tires.
It is "MOSAIC-ready," designed to comply with the FAA's newly finalized performance-based Modernization of Special Airworthiness Certification (MOSAIC) rules for light sport aircraft.
Despite its utility focus, the Sirius BackCountry includes premium cockpit features such as heated leather seating and a configurable Garmin avionics panel.

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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.