This experimental project aircraft, loosely based on the J4 Cub and configured with side-by-side seating, is offered for sale at $7,500 in Oak Grove, Minnesota. The listing includes a fuselage with landing gear, a seat, and basic avionics, along with an Apex engine equipped with a SkyTrax gearbox and a Warp Drive propeller. The engine mount is intended for mock-up and weight and balance purposes only.
The package also includes rebuilt J4 wings with wood spars, ailerons that the seller notes need some TLC with parts included to build new ones, covered PA-18 balanced tail feathers, PA-18 landing gear, and 8.50x6 tires. A complete Apex...
GPS
Basic Avionics
SkyTrax Gearbox
SkyTrax - Gearbox
J4 Wings
J4 - Rebuilt Wings with Wood Spars
Ailerons
Ailerons Needing Some TLC (Parts Included to Build New)
PA-18 Tail Feathers
PA-18 - Covered Balanced Tail Feathers
Landing Gear
PA-18 - Landing Gear
Tires
8.50x6 Tires
Apex Snowmobile
Additional Complete Apex Snowmobile Included at Asking Price
Engine Mount
Engine Mount is for Mock-up and Weight/Balance Only
Seat
Asking Price
$7,500
Oak Grove, MN 55011 United States
Sep 26, 2026: $7,500(-$500) - barnstormers
Aug 11, 2026: $8,000(-$2,000) - barnstormers
Jun 26, 2026: $10,000(-$2,000) - barnstormers
+1 more price changes
Asking Price
$7,500
Oak Grove, MN 55011 United States
Sep 26, 2026: $7,500(-$500) - barnstormers
Aug 11, 2026: $8,000(-$2,000) - barnstormers
Jun 26, 2026: $10,000(-$2,000) - barnstormers
+1 more price changes
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Find the perfect Cub J4 for you. Browse over 5,000 aircraft for sale and filter by specifications, avionics, useful load, and more...
Find the perfect Cub J4 for you. Browse over 5,000 aircraft for sale and filter by specifications, avionics, useful load, and more...
Asking Price
$7,500