The Wag Aero Sport Trainer is a homebuilt replica of the Piper J-3 Cub, offering nostalgic design, simple construction, and enjoyable low-and-slow flying for sport and recreational pilots. Discover Wag Aero Sport Trainer aircraft for sale worldwide on AvPay. Browse active Wag Aero Sport Trainer 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 Wag Aero Sport Trainer Aircraft for Sale on AvPay
AvPay lists Wag Aero Sport Trainer aircraft for sale worldwide, connecting buyers and sellers across the USA, North America, UK, Europe, Asia, Africa, Australia and South America. Compare kitbuild quality, engine options, avionics and covering condition to speed up your aircraft search.
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Interesting facts about the Wag Aero Sport Trainer
✈ The Sport Trainer is a plans and kitbuilt replica of the Piper J-3 lineage, first flown in 1975 and still popular with homebuilders.
✈ It uses a 4130 steel tube fuselage, fabric covering and USA 35B airfoil wings, staying true to classic Cub handling.
✈ Typical engine choices range from 65 to 100 hp, with many aircraft using Continental C-85 or similar powerplants.
✈ Builders can choose wood or aluminum wing structures, which affects empty weight and center of gravity.
✈ Tandem two seat layout, great visibility with opening side windows, and simple systems make it a practical trainer and recreational tourer.
✈ Variants include the Observer with L-4 style glazing and the Super Sport, which accepts higher horsepower engines.
✈ Many examples operate from grass strips thanks to low stall speed, tundra tire options and forgiving short field manners.
✈ The design’s slow flight stability and low operating costs appeal to flight schools, bush operators and private owners.
Wag Aero Sport Trainer Specifications
Information provided here is a guide only. Do not use it for flight planning or aircraft operations. Model variations, configuration, modifications, upgrades and age will affect the details listed. Confirm exact specifications with the seller, the manufacturer or the relevant aviation authority.
Length: 6.83 m (22 ft 5 in)
Wingspan: 10.74 m (35 ft 3 in)
Height: 2.03 m (6 ft 8 in)
Empty Weight: 315 kg (695 lb)
Max Take Off Weight (MTOW): 635 kg (1,400 lb)
Fuel Capacity (standard): 45 L (12 US gal)
Fuel Capacity (with optional aux tanks): 98 L (26 US gal)
Cruise Speed: 151 km/h (94 mph, 82 kn)
Stall Speed: 63 km/h (39 mph, 34 kn)
Range (standard tanks): 354 km (220 mi, 190 nm)
Range (with aux tanks): 732 km (455 mi, 396 nm)
Service Ceiling: 3,400 m (11,200 ft)
Rate of Climb: 2.5 m/s (490 ft/min)
Take-off Distance (typical): 114 m (375 ft)
Landing Distance (typical): 114 m (375 ft)
FAQs About the Wag Aero Sport Trainer
How much does a Wag Aero Sport Trainer cost?
Kit and completed aircraft prices vary widely by parts chosen, engine, propeller, avionics and build quality. As of September 2025, buyers should evaluate individual listings and request recent logs, weight and balance and invoice records to determine fair market value.
What engines are commonly used on the Sport Trainer?
Common installations include Continental A-65 and C-85 series engines. Some builds use Lycoming O-235 or similar powerplants in higher power variants. Verify horsepower, propeller type and overhaul status during your inspection.
What is the useful load and baggage capacity?
With a typical empty weight around 695 lb and 1,400 lb MTOW, useful load is roughly 705 lb before fuel. Actual payload depends on installed equipment, tank configuration and weight and balance.
What is the typical cruise speed and fuel burn?
Typical cruise is about 82 knots at economy settings. Fuel burn depends on engine and propeller, but many owners report modest consumption suitable for training and short cross-country flights.
Is the Sport Trainer suitable for short grass strips?
Yes, low stall speed and light wing loading support short field operations when flown within limits. Performance depends on aircraft weight, density altitude, surface and pilot technique, so verify figures for your example.
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