The Model G, also known as the Rangemaster G, is an advanced single-engine aircraft developed under the Navion lineage. Its design origins trace back to North American Aviation’s initial concept for a post-WWII civilian market aircraft, drawing on the rugged design principles of the P-51 Mustang fighter. The aircraft’s manufacture was later taken over by Ryan Aeronautical Company.
The Rangemaster era began after a company called Navion acquired the design in the 1960s. The G model was a significant improvement, featuring a fixed ceiling and doors to replace the original sliding canopy, greatly increased fuel capacity (up to 108 gallons), and an upgrade to a 285 horsepower Continental IO-520B engine. Approximately 60 units of the G model were initially built, with an additional aircraft manufactured by the Navion Rangemaster Aircraft Company in 1974. Production of the Rangemaster continued until 1976, solidifying the aircraft’s reputation as a sturdy and reliable personal and business transport.
Specialized platforms and access solutions are available for meticulous maintenance across the airframe. These include platform steps and cantilever platforms that provide access to the nose section (radome, antenna, avionics, windshield, and cockpit) and forward fuselage areas (main entry door, cargo, and lighting systems). For servicing the landing gear, various fixed and mobile steps offer efficient access. Comprehensive maintenance of the wing and engine pylon—including anti-ice systems, engine components (fan, compressor, turbine), hydraulics, and fuel pumps—is supported by adjustable work platforms. Tail section tasks, such as accessing the vertical and horizontal stabilizers, are supported by specialized access stands.
