The Sonex A is an American kit-built light aircraft designed for sport flying, offering affordable ownership, efficient performance and responsive handling. Discover Sonex A aircraft for sale worldwide on AvPay. Browse active Sonex A listings and find available aircraft across the USA, North America, UK, Europe, Asia, Africa, Australia and South America. Connect directly with aircraft brokers, private sellers, flying clubs, flight schools and manufacturers. Explore the full inventory of aircraft for sale on AvPay here!
Finding a Sonex A Aircraft for Sale on AvPay
The Sonex A is a two-seat, all-metal kit aircraft designed by John Monnett and produced by Sonex Aircraft in Oshkosh, Wisconsin. Discover Sonex A airplanes for sale worldwide on AvPay. Browse active Sonex A listings and find available experimental aircraft across the USA, North America, UK, Europe, Asia, Africa, Australia and South America. Use our aircraft marketplace to compare Sonex A prices, build quality, engine options, avionics and total time so you can buy with confidence.
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Interesting facts about the Sonex A
✈ The Sonex A is a low-wing, two-seat kit built from 6061-T6 aluminum with simple, light construction to keep costs and build time down.
✈ It accepts several lightweight engines: the 80 hp AeroVee 2.1, the 100 hp AeroVee Turbo, the 85 hp Jabiru 2200 and the 120 hp Jabiru 3300.
✈ Standard fuel capacity on the legacy Sonex A is 16 US gallons in a single fuselage tank ahead of the cockpit.
✈ With clean aerodynamics, typical cruise is about 130 mph on the 80 hp AeroVee, while builds with the Jabiru 3300 can cruise faster at altitude.
✈ The Sonex airframe is stressed for aerobatics at +6/−3 g at aerobatic gross weight when built and operated within the published limits.
✈ The Sonex and Waiex share the same fuselage and wing; the Waiex uses a distinctive Y-tail while the Sonex A uses a conventional tail.
✈ Many Sonex A examples meet U.S. Experimental Light-Sport Aircraft criteria when equipped and operated within LSA limits.
✈ The design emphasizes short-field capability, simple maintenance and low operating cost, making it popular with first-time builders and owners.
Sonex A Specifications
Information provided here is as a guide only. Do not use it for flight planning or aircraft operations. Model variations, engine choice, propeller, modifications, instrumentation and age will affect the figures below. Always verify precise specifications with the seller, the manufacturer or the aircraft’s approved manuals.
Length: 5.36 m (17 ft 7 in)
Wingspan: 6.71 m (22 ft 0 in)
Height (taildragger): 1.42 m (4 ft 8 in)
Typical Empty Weight: 281 kg (620 lb)
Max Take Off Weight (MTOW): 522 kg (1,150 lb)
Fuel Capacity (usable): 60.6 L (16 US gal)
Typical Cruise Speed (AeroVee 80 hp): 209 km/h (130 mph, 113 kn)
Range (AeroVee 80 hp, standard fuel): 640 km (400 mi, 350 nm)
Service Ceiling (engine-dependent): 7,000 m (23,000 ft)
Rate of Climb (engine-dependent): up to 7.1 m/s (1,400 ft/min)
Take-off Ground Roll (typical): ~122 m (400 ft)
Landing Ground Roll (typical): ~152 m (500 ft)
FAQs About the Sonex A
How much does a Sonex A cost?
As of 2025, completed Sonex A airplanes were commonly advertised between $25,000 and $60,000 depending on engine, avionics, workmanship and total time. Project aircraft can be lower, and recent, highly upgraded builds can be higher.
Which engines are most common on the Sonex A?
Popular choices include the 80 hp AeroVee 2.1, the 100 hp AeroVee Turbo, the 85 hp Jabiru 2200 and the 120 hp Jabiru 3300. Engine selection influences climb, cruise speed, useful load and resale value.
What cruise speed and fuel burn should I expect?
Typical AeroVee builds cruise around 130 mph and burn about 4–6 US gph depending on altitude and mixture. Jabiru 3300 installations cruise faster with higher fuel flow.
Can the Sonex A do aerobatics?
Yes. When built to plans and flown within published weight, balance and speed limits, the Sonex is stressed to +6/−3 g at the aerobatic gross weight. Always confirm the individual aircraft’s limitations and phase-one test results.
What’s the difference between the Sonex A and the Sonex B-Model?
The B-Model features a wider cockpit, refined ergonomics, more payload, and a 20-gallon fuel tank. The legacy A-Model uses a 16-gallon tank and a slightly narrower cockpit, with similar build methods and handling.
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