The US Army in 1960 issued a proposal for a light observation helicopter and Bell Helicopter submitted a variant of the Model 206, which became the YHO-4A.

In 1936 Bell Aircraft Corporation designed what was to be a radical departure from the norm for fighter aircraft at that time, having the engine behind the pilot driving the propeller by means of an extension shaft.

The ABA was designed and built by Mr Cecil Arthur Butler [1902 - 1980 - born in Sparkhill in Warwickshire in the United Kingdom] in 1930 as a shoulder-wing monoplane for the sporting aviator.

The Bat was one of two aircraft designed and built by Mr C Arthur Butler, a well known Australian aviator who, in October 1931 flew a Comper Swift (G-ABRE) from the United Kingdom to Australia.

The Aircruiser is a low-wing, fixed-tricycle undercarriage four-seat monoplane of all-metal construction designed initially by Henry Millicer. Mr Millicer is well known for designing the Victa Airtourer and the Aircruiser.

The Butterfly series of gyrocopters marketed in kit form in the United States in a number of models, including the Emperor Butterfly, Monarch Butterfly, Golden Butterfly, Aurora Butterfly, Turbo Golden Butterfly, Ultralight Butterfly etc.

An aircraft known as the Brumby was designed and developed by Aero Composite of Bankstown, NSW, in conjunction with Spectrum Technology Pyt Ltd, as a high-performance sporting monoplane.

The Cherry BX-2 is a light two-seat, side-by-side, sporting amateur-built aircraft designed by Max Brandli of BX Aviation in Switzerland.

The Firebird is one of a series of gyrocopters designed and built by Paul Bruty at his facility at Ballarat VIC. and is the culmination of much development to produce a cross-country gyroplane for amateur builders, and to provide it in kit form.

The Tiger Hawk is a small ultra-light homebuilt sporting aircraft designed and built by Mr Tim P D Bygate of Nelson, NZ. The first example was completed in 2002 and registered as ZK-THK (c/n 1) painted in an attractive Tiger colour scheme, making its first flight on 7 September 2001

The Mosquito made its public debut at the Australian Bicentennial Airshow at Richmond, NSW in October 1988, being a two-seat light aircraft built by the Buchanan Aircraft Corporation Ltd.

On 27 April 1934 the prototype of the Bu 131A Jungmann (D-1350), designed in 1933 by Anders Andersson and Carl Bucker, powered by a 60-kw (80-hp) Hirth HM60R four-cylinder engine, was flown for the first time at Johannistal near Berlin, Germany.

The Bu 181 series was designed as a sports and touring aircraft, the prototype flying for the first time in February 1939.

The W Starling Burgess Co of Marblehead, Massachusetts, which had been for some years manufacturing speedboats, produced a Curtiss designed seaplane with a pusher engine located at the rear of the wings.

The Mustang I was designed by the late David Long, and was originally known as the Midget Mustang, being of all metal construction, the prototype flying for the first time in 1948.

The Mustang I was designed by the late David Long and was originally known as the Midget Mustang, being of all-metal construction and flying for the first time in 1948.

Raymond Broome was interested in designing his own ultralight aircraft and in the late 1980s commenced to build an aircraft, this being along the lines of the Bedson Resurgam series.

The Bristol Tourer was originally a conversion of the Bristol F.2B Fighter built for and flown by the RAF in World War I.

In 2009 Brumby aircraft of Cowra, NSW announced it was to build and market a high wing model of his successful Brumby low wing monoplane, the latter becoming known as the Model 600 and the new model became known as the Brumby High wing 610 LSA, the partially completed prototype

Initially known as the Hawker Siddeley HS 746, the series was first launched in 1973 as a feeder-jet transport, the design being the subject of a lengthy gestation period in the wake of the oil crisis.

The story of the Jetsteam goes back to 1965 when Handley Page designed the HP-137 Jetstream business aircraft powered by two 634-kw (850-eshp) Turbomeca Astazou XIV turboprops, the prototype of which was flown for the first time on 18 August 1967.

The JBX-1 is a new Australian designed ultra-light single-seat high-performance sporting aircraft designed, built and manufactured by Best Brand Aussie Aero of Camberwell, VIC, a company which produces the modular design aircraft which is described as like a 35-mm camera with interchangeable lenses, “instead of changing lenses, you can change

The development programme for a lengthened Jetstream 31 began in May 1989, a full-scale mock-up being displayed at the 1989 Paris Airshow.

The Brantly Helicopter Corporation was formed atPhiladelphia, Pennsylvania by Mr N O Brantly during World War II to develop his design of a co-axial rotor helicopter known as the B-1.

A development of the Britten Norman Islander, the prototype of the BN-2T was flown for the first time on 2 August 1980, and production followed slowly over the following years.

The BA.25 was designed and developed by Societa Italiana Ernest Breda in 1931 as a basic trainer and 753 examples were produced, the majority being supplied to the Italian Air Force for training duties, but a number of early production aircraft were supplied to the Hungarian Air Force.

Designed in 1966 by one of Britain’s smallest aircraft manufacturing companies, the Islander became the best-selling British multi-engine commercial aircraft.

Designed initially as a military freighter capable of operating from hot, semi-prepared landing areas with a payload of between four and five tonnes, and the ability to load and unload freight quickly through clam-shell doors in the nose, the Bristol Freighter proved to be reasonably popular with some 214 examples

The Trislander was developed from the twin-engine Islander, and had the same fuselage cross-section and mainplane.

The first prototype of the Bristol 171 Sycamore, a Mk 1 (serial VL958), was flown on 27 July 1947, with the second, a Mk 2 (VL963) being flown in February 1948.

This series of light aircraft was designed by BRM Aero Sro in the Czech Republic to meet world LSA regulations, and is aimed at the flight training school, glider towing and recreational flying markets. It is built in a number of models, the NG-5 series being supplied as the Bristell

The Boxkite was designed by George Challenger and built by the British & Colonial Aeroplane Co in 1910.

The B-4 was one of a series of aircraft designs entered in the 1924 light aircraft competition held at Richmond, NSW.

In 1943 the Brabazon Committee convened to discuss the future development of civil aviation in the United Kingdom and out of this came the Britannia which eventually was a turboprop powered airliner.

One of the aeroplanes designed and built for the low-powered aeroplane competition at Richmond in November/December 1924, the Broadsmith-Ross Bett I Biplane, also known as the Broadsmith B.2, was designed by well known aviation identity of the time, Mr H E Broadsmith who, for a period, had some association with

The Bristol M-1C, designed by Captain F S Barnwell in 1916, was a breakaway from contemporary design standard because, as a wire-braced monoplane, it represented an attempt to produce an aerodynamically clean airframe.

Designed to compete in a US Army competition for an aircraft to vertically lift a payload of 1,814 kg (4,000 lb) internally, or 7,258 kg (16,000 lb) externally, the Model 114 (designated YHC-1B by the US Army) made its first flight on 21 September 1961.

Following the cessation of hostilities in World War I, Boulton & Paul Ltd, Riverside Works, Norwich designed a small two-seat wood and fabric biplane known as the P.6, this machine using some parts from the Sopwith Camel in its fuselage, this aircraft being able to be fitted with alternative sets

The Boeing E-7A AEW & C is an adaptation of the Boeing Business Jet variant of the 737, combining the fuselage of the 737-500 with the strengthened wing and landing-gear of the 737-800.

The Fly Baby was designed by the well known American historian and homebuilt designer, Mr Peter Bowers, to compete in a design competition held by the United States Experimental Aircraft Association and was aimed at being a simple low-cost, easy to fly, amateur built aircraft to be built by inexperienced