Developed as a general-purpose, light-weight helicopter for military and civil use, the Gazelle was produced in large quantities both by Aerospatiale in France and Westland in the United Kingdom, as well as being assembled in Yugoslavia.

The DGA-15 was the last of a series of high-performance monoplanes built by Howard Aircraft Corp at St Charles, Illinois in the United States.

The R-66 is a turbine powered helicopter developed in the United States. In March 2007 Frank Robinson announced his company would produced a turbine variant of the R-44, the prototype being shown at the company’s facility fitted with a new lightweight Rolls Royce 300 engine, the aircraft making its debut

The M-22 Mustang was the first attempt by the Company to produce a single-engine pressurised aircraft and was the ultimate development of the Mooney 20 series of high-performance aircraft.

In January 1988 McDonnell Douglas Helicopter Company announced its intention to develop a version of the MD-500 series using its NOTAR (No tail-rotor) anti-torque system, with the first aircraft to fly in May 1989.

In the late 1920s Mr T D Leech, a lecturer in civil engineering at the Sydney University, with the assistance of five graduates from the University, designed and built a biplane known as the Australian Maid.