I would like to present the j-15 star Hopper a ssto aircraft designed and developed in the year 2257 the aircraft was designed specifically for humanity's first interstellar mission, it is also one of the main machines that features and a sci-fi story that i'm in the process of developing and writing.
Empty weight: 2461,77 Stone
Max. takeoff weight: 3238.59 Stone
Powerplant: 2x HL-25 Dragon hybrid air breathing/liquid fuelled engines
Maximum speed: (engines in air breathing Mode Mach 0.8) (engines in liquid fuelled Mode Mach 22)
range: 1000 miles on internal fuel with engines in air breathing mode
Service ceiling: NA