For sale: 2025 Sirius Back Country Aircraft. This STOL Aircraft is custom-built to the specs below. Call for equipment and pricing details. Orders for 2025 models are now open. Our demo will be showcased at Oshkosh 2025. Aircraft Specifications: Year: 2025 Manufacture: TL Sport Ultralight Model: TL Sirius BackCountry Price: $320K – 340K Location (nearest city): Charlston, SC Airport ID......more.