The Skytwister light helicopter was designed in the United States by Neville Walker, a mechanical engineer, and Ronald Northwood, an electrical engineer, as an easy-to build light single-seat general purpose helicopter fitted with a Rotax engine and since then it has become available to amateur builders.

The Scion was designed by Short Bros (Rochester and Bedford) Ltd as a light, twin-engine, cantilever monoplane for feeder-line work.

Designed for the Italian Army by Siai-Marchetti to replace the Lycoming powered Aermacchi AM.3C, which itself had replaced the Cessna O-1 Birdog in the forward air control and liaison duties role, the prototype being first flown on 24 May 1969, this being a re-manufactured Cessna O-1 modified to take an

One of the most famous commercial flying boats, the Short S.23 C Class (known as the Empire) was built by Short Brothers for Imperial Airways and Qantas, particularly for the routes from the United Kingdom to Australia.

The Short S-25 Sunderland was a development of the commercial Short “C” Class flying-boat designed to fulfill a specification issued by the RAF for a four-engine monoplane to serve in the coastal patrol and long-range reconnaissance roles.

The Falco series of monoplanes was originally designed by Stelio Frati, the prototype, known as the Frati F8 Falco, flying for the first time on 15 June 1955 powered by a 67-kw (90-hp) Continental C-90 engine.

In 1945 Short Bros flew a variant of the Sunderland flying-bota known as the Seaford I.

The 105 Rally series of light aircraft is one of a range of ultra-light aircraft produced in Italy by S G Aviation to meet the requirements of the world market.

The Sealand series was designed by Short Brothers & Harland of Belfast, Northern Ireland, as a completely new flying-boat shortly after World War II, being a five to eight seat amphibian powered by two Gipsy Queen 71 engines and a total of 25 examples was completed, ten of these serving

The Sea Storm is one of a series of light aircraft designed and built in Italy by S G Aviation and has been developed in two versions, a two-seater and a four seater.

The Short Sandringham series was a conversion of the Short Sunderland to meet requirements of airlines for a four-engine flying boat to carry passengers, luggage and freight. The Sandringham I (G-AGKX – ex ML788 - Himalaya) was a former BOAC Sunderland III fitted with Pegasus engines,

The SB-1 Rouseabout was a small ultra-light aircraft developed by Seabird Ultralight Aircraft at Port Vernon, QLD.

In 2008 Alexander Schleicher announced his company was developing a new design to replace the ASH 26 series, the new model to have extended ailerons and a re-designed wing structure.

The SB-4 Sentinel was Seabird Aviation Australia’s first foray into the fully certified field, having previously been involved in the ultra-light field, producing the SB-1 Rousabout, and a two-seat derivative known as the SB-1 Bushranger.

The ASH-25 is one of a series of gliders produced by Schleicher in West Germany over the last 75-odd years, one of the first in the series being the Condor designed by Heini Dittmar, built at Wasserkuppe, and which entered production in 1932.

The Sentinel was designed for Seabird Aviation Australia of Pialba, Queensland for eventual manufacture for domestic and export markets, the designers being Messrs C W Whitney and D Adams.

The Ash 26 series of gliders is produced by Alexander Schleicher GmbH and Co in Germany and was designed by Martin Heide and more than 230 examples have been produced.

In February 2011 the company announced an upgrade project for the Seeker, introducing a range of structural upgrades as well as changing the engine to a Lycoming IO-390-A1B6 to improve ‘hot and high’ performance, as well as the ability to mount dual alternators.

The Ask 14 was one of a series of gliders designed by Rudolf Kaiser and built by Alexander Schleicher in Poppenhausen in Germany, the prototype (D-KAIS) flying for the first time in 1967.

The Shearwater is a four-seat amphibian designed by Mr W Townson and built by his company, Seaflight (NZ) Ltd over a period of seven years, the prototype ( initially ZK-SFA – c/n 1) making its first taxiing trials on Mahurangi Waters in early 2001, and making its first flight later

The ASK 21 is a two-seat mid-wing glider with a T-tail designed for instruction but also aimed at the market for cross-country performance and aerobatics.

The Condor is a two-seat light sporting aircraft designed by Messrs Bud Head, Robert Carswell and David French of Seahawk Industries and was initially supplied in kit form by that Company, being basically a development of the Eipper Quicksilver series.

In the mid-1950s the Hughes Tool Company’s aircraft division set about designing a light, two-seat low-cost helicopter for utility work and training operations and produced the Model 269 the prototype flying for the first time on 2 October, 1956.

Seair Pacific Pty Ltd of Airlie Beach, QLD was set up in the mid-1980s to build a full-size prototype of an eight-passenger commercial seaplane powered by two engines in the pusher configuration.

Following the demise of the Beagle company in 1970 when it was heading towards putting the Bulldog into production as a trainer for the RAF, Scottish Aviation at Prestwick, Scotland, took over the development of the type, there being orders for 256 Bulldogs extant at the time, which included some

The Sunbird was a single-seat low-wing monoplane designed and built by Mr Kevin Sedgman .

The Twin Pioneer was a twin-engine, light, general purpose transport monoplane designed for both civil and military applications, although the majority of those built were operated by the Royal Air Force and the Malayan Air Force.

The SD-1 is a light single-seat sporting monoplane designed by Igor Spacek and built in the Czech Republic by Spacek SRO at Hodonin.

The ASG 29 high performance glider was designed in Germany and placed in production by Alexander Schleicher GmbH and Co, being a development of the ASW 27 series, the prototype flying for the first time on 9 November 2005 and deliveries of machines began in 2006.

The Cygnet is marketed as the Sea and Sky Cygnet and was initially manufactured by Krucker Manufacturing of Sudbury in Ontario, Canada before production was moved to Fort Walton Beach in Florida and taken over by Sea and Sky.

The ASG 32 series of gliders is manufactured in Germany by Alexander Schleicher, the new model being announced by the Company in April 2013 and the prototype was flown at Poppenhausen on 31 May 2014 and subsequently entered production, deliveries commencing in 2015.

Over the years manufacturers have looked at the requirements of commuter airlines with a view to producing new airliners to meet operator requirements.

The S.16 was a passenger carrying flying-boat built in Italy by the Societa Idrovolanti Alti Italia (SIAI) for operations of civil passenger carrying and was powered by a Fiat A.12bis engine.

Built by Svenska Aeroplane AB at Linkoping in Sweden, the Safir was an all-metal training monoplane produced for the Swedish Airforce.

Arthur Waldermar Schaef was one of the more successful early aircraft designers and builders who lived in this part of the world in the early 20th Century.

The Sadler Vampire was a single-seat ultra-light aircraft designed by Bill Sadler and built in the United States, 28 aircraft being built there before a downturn in the fortunes of the industry led to production ceasing.

The SF-24 Motorspatz is a two-seat self-launched glider developed and built in Germany for training purposes. Scheibe over the years has developed a number of gliders, a few of which have been motorised.

The Goat series of ultralight basic gliders was designed by Michael Sandlin in the United States, it being a parasol wing, single-seat glider for which Mr Sandlin produced technical drawings for construction by amateur builders.

This series of gliders was introduced to the Company’s range in 1964, being a development of the earlier Zugvogel and SF-26, the SF-27A being a standard Class design for competition.

Alberto Santos-Dumont (1873-1932) was a wealthy Brazilian living in Paris, France and he played an important part in promoting the design and construction of airships for some years from 1898, and was one of the first ‘Aeronauts’ to build and fly an airship in controlled and sustained flight.