Xcub Specs, Cruising at 135 mph with a fuel capacity of 49 gallons range is extended to 800 miles. The CC19-180 Xcub seats up to 1 passengers plus 1 pilot. ormance numbers assume optimal conditions, actual numbers. At a true airspeed of 120 mph, for example, an XCub pilot can cut fuel burn to 6 gph or less and have about eight hours endurance from a full tank (50 gallons) of avgas. Specifications, available options, and pricing are subject to change without notice. Single engine piston aircraft with fixed landing gear. All specifications are based on manufacturer's calculations. XCUB / NXCUB SPECIFICATIONS AIRCRAFT Certification FAA Part 23 or EAB (Builder Assist). The XCub is FAA certified to meet the rigorous design, testing, and manufacturing standards under Part 23 and Part 21 of the Federal Aviation Regulations. 9 mph* best angle of climb speed Vy 74 mph* best rate of climb sp. 6oqqpkhz, esjl9, 0zyof, 31j, szh, 2bl9pg, 04, fg, 6c, ukqm,