The Junkers Profly Ultima is a German aerobatic homebuilt aircraft that was designed by Andre Konig and produced by Junkers Profly of Kodnitz, introduced in 1993.
[2] The Ultima features a cantilever low-wing, a two-seats-in-side-by-side configuration enclosed cockpit under a bubble canopy, fixed tricycle landing gear with wheel pants and a single engine in tractor configuration.
The acceptable power range is 50 to 80 hp (37 to 60 kW) and the standard engine used is the 80 hp (60 kW) Rotax 912UL four stroke powerplant.
For its aerobatic role the Ultima is stressed to +6 and -4 g.[1] The Ultima has a typical empty weight of 260 kg (570 lb) and a gross weight of 450 kg (990 lb), giving a useful load of 190 lb (86 kg).
[1] The manufacturer estimated the construction time from the supplied kit as 400 hours.