This 2012 Sonex Onex is offered as a partially completed project that has been professionally assembled and is ready for its new owner to add their finishing touches. The aircraft features a zero-time Aerovee 2.1 engine with just one hour of ground run time, paired with a Prince Aircraft two-blade carbon fiber propeller. The engine is equipped with an Aerovee Conversions options package including an assembled crankshaft, oil separator, top-mounted oil cooler, throttle quadrant, CHT, EGT, oil temperature and fuel flow instrumentation, baffle kit, oil pan adapter, and stainless exhaust.
The panel is built around an MGL Legit Avionics I EFIS...
PFD
MGL Legit Avionics I EFIS G4 - MGL EFIS System
GPS
Transponder
Trig Transponder
AP
2 Axis Autopilot
EMS
MGL Legit Avionics EFIS G4 - MGL EMS (Engine Monitoring System) built into EFIS
Engine Monitoring
CHT, EGT, Oil Temperature, Fuel Flow
Exhaust System
Stainless Exhaust
Airframe
Manual Pitch Trim, Hydraulic Brakes, Wheel Pants
Interior
Custom Interior
Lighting
Eyebrow Dash Lights
Asking Price
$25,000
Newburyport, MA, USA
May 9, 2026: $25,000 - barnstormers
Asking Price
$25,000
Newburyport, MA, USA
May 9, 2026: $25,000 - barnstormers
Quick filters • Updated daily


Find the perfect Sonex for you. Browse over 5,000 aircraft for sale and filter by specifications, avionics, useful load, and more...
Find the perfect Sonex for you. Browse over 5,000 aircraft for sale and filter by specifications, avionics, useful load, and more...
Asking Price
$25,000