altitude, where full laminar flow can be achieved for an estimated 59% lower drag than competitors. It should reach a cruise speed over and as contamination can disrupt laminar flow, performance should be certified with turbulent flow, with a less than guaranteed range. The single RED A03 turbocharged V12 four-stroke aircraft diesel engine of can operate as two six-cylinder engines to provide redundancy. Otto targets a balanced field length and a fuel economy of 16–22 nmi/USgal of Jet fuel. The flight controls are mechanically linked and it will be equipped with instrument flight rules avionics for single-pilot operations. External analysis With a long fuselage and a wingspan, the claimed 22-to-1 glide ratio should yield a equivalent flat-plate area drag. With , this would allow a top speed of at , and true airspeed at , but the RED A03 critical altitude is . The propeller tips would have transonic wave drag and would operate in a disturbed wake, limiting propeller efficiency, and laminar flow would be difficult to maintain for a large part of the fuselage with windows and panel seams. The configuration is similar to the 1948 Planet Satellite, or the 2011 EADS Voltaire electric aircraft concept. The claimed 59% drag reduction "would be quite a hard task to achieve", while lift-induced drag would not be reduced by laminar flow. A 1:22 glide ratio like current airliners can be reached with its high wing aspect ratio, without a sensational drag reduction: better than other general aviation designs, but lower than most gliders. The max speed is achievable, but the cruise speed has to be lower to reach the range. The fuel efficiency is difficult to compare with no specified payload, cruise speed and altitude. Pushing the laminar flow to the limit could hinder handling qualities or structural efficiency, and laminar flow tends to be unreliable in service, as it is highly susceptible to degradation from surface irregularities. Specifications The following data is estimated by the manufacturer in a pre production stage. See also References Further reading Single-engined pusher aircraft Aircraft first flown in 2018 Mid-wing aircraft 2010s United States business aircraft