Sonex Aircraft Onex

Sonex Aircraft Onex
Prototype of Sonex Aircraft Onex
Role Homebuilt aircraft
Manufacturer Sonex Aircraft
Designer John Monnett
First flight 27 January 2011
Status In production
Number built 53 incl 2 prototypes as of March 2019
Developed from Sonex Aircraft Sonex

The Onex (pronounced "One-X" ) is an American single-seat, low-wing aircraft first flown on 27 January 2011 and currently being produced by Sonex Aircraft as a kit for amateur construction.