Jabiru Aircraft Pty Ltd is an Australian aircraft manufacturer that produces a range of kit- and ready-built civil light aircraft in Bundaberg, Queensland. The company also designs and manufactures a range of light aircraft engines. Types past and present include microlights, including the Calypso, two-seat trainers and recreational aircraft and four-seat aircraft (J400/J430/J450).

Homebuilt aircraft, also known as amateur-built aircraft or kit planes, are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch", from plans, or from assembly kits.