The development of the Hawk C3 was commissioned by Clifford Carpenter in February 1934, the aircraft being designed by James Connolly (Secretary of the Royal Aeronautical Society, Sydney Branch) who had previously designed two aircraft, known as the C1 and C2 but which were never built.

In the early 1930s Messrs Leo Turl and Frank Gannon took over the Mascot hangar of General Aircraft Co. In November 1935 Mr J C Carpenter joined the company and Tugan Aircraft Ltd came into being.

In 1933/34, following the announcement of the 1934 MacRobertson Air Race from England to Australia, there was great interest around the World and many persons and organisations set about entering suitable aircraft.

The TR-4 Cruiser is a development of the TR-1 and TR-2 Kis produced by Tri-R Technologies Inc of Oxnard California which is produced in kit form for the amateur constructor and may be fitted with a variety of engines.

Designed by Richard Trickle and Vance Jaqua and first flown in 1991, the KIS is a two-seat all-composite amateur-built aircraft sold in kit form, the name KIS being an abbreviation of “keep it simple”.

Following the success of the Curtiss OX-5 powered Model 2000, Travel Air moved on to the Model 3000, a three-seat open cockpit variant powered by a 112-kw (150-hp) Hispano-Suiza Model A engine or the high-compression Model E which produced 134 kw (180 hp).

The Travel Air 2000 was a three-seat biplane built as a cross-country type of ‘outstanding quality’ of rugged construction with a lively performance, and as an efficient work aircraft.

For some years after World War II the Transland Aircraft Company of Torrance, California, a division of Hi Shear Rivet Tool Co, converted surplus World War II aircraft, particularly trainers, for the crop-dusting role.

To meet customer requirement, Transavia continued with further development of the basic Airtruk, and this led to the Model T-320 Airtruk fitted with the Rolls Royce/Continental Tiara 6-320-2B engine producing 239-kw (320-hp).

The PL-13 was one of the many designs by the profilic designer, Luigi Pellarini and was a four-seat monoplane.

To meet customer requirement, Transavia continued with further development of the basic Airtruk, and this led to the Model T-320 Airtruk fitted with the Rolls Royce/Continental Tiara 6-320-2B engine producing 239-kw (320-hp).

In the late 1950s Transfield Construction Pty Ltd was founded by two Italian immigrants to contract to do transmission line work in Australia. A subsidiary, Transavia Corp, was formed in 1964 to build aircraft.

The Viper SD-4 is a two-seat light sporting low-wing monoplane with a fixed tricycle undercarriage designed and produced in Slovakia. Design work commenced in 2004, the prototype flying for the first time on 1 November 2006 and it entered production in 2008.

The Explorer has been produced by Tomair for the Australasian market and the aircraft is basically a high-wing variant of the Cobra.

The Cobra Arrow is an Australian designed and built light two-seat high-performance aircraft aimed at the sporting pilot, designed by Thomas Wickers, being supplied by the manufacturers, known initially as Tomair but later as Cobra Aviation, in kit form to the amateur constructor.

In 1967 brothers, Reginald and Ernest Todhunter, who at the time lived at Condell Park, a western Sydney suburb, commenced the design of a man-powered aircraft to enter the Worldwide competition announced by Henry Kremer, a British Industrialist, of a sum of $75,000 for the first group to build and

In the 1950s Reginald Todhunter became involved in sailplanes and started a business Glidair Sailplanes at Bankstown, NSW, where he repaired gliders.

The TL Ultralight Stream is one of a series of light sport aircraft produced in the Czech Republic by TL-Ultralight of Hradec Kralove and is a two seat in tandem light sport aircraft for private use.

The TL-300 Sirius is one of a number of light aircraft produced in the Czech Republic to LSA standards, first being completed in early 2009, having at that time completed flight testing and certification.

The TL-2000 Sting Carbon is one of a series of light aircraft produced by TL Ultralight Co in the Czech Republic, the company being established in 1990 in Hradec Kralove.

The TL Sting series of light aircraft is manufactured as a type certified ultralight aircraft in the Czech Republic and has been available in Australia in a number of models for some years.

The Tornado is marketed in kit form by Titan Aircraft of Geneva, Oklahoma, in a variety of models. The Tornado I is fitted with a 37-kw (50-hp) Rotax 503 two-cylinder two-stroke engine and has a gross weight of 340 kg (750 lb).

The T-51 is manufactured in kit form by Titan Aircraft of Austinburg, Ohio, as a two-seat 70% scale replica of the North American P-51D Mustang and is aimed at the light sporting market. It can be fitted with a variety of engineers up to 112-kw (150-hp) but is usually fitted

The Nipper was designed by Mr E O Tips, who was managing director of Avions Fairey SA in Belgium. Previously Mr Tips had designed the Tipsy S, Tipsy B, the Belfair, Primer Trainer, and the Junior.

Ernest Oscar Tips was the chief designer of Avions Fairey SA in Belgium in the 1930s, designing and building his first aircraft, the Tipsy S.1, a single-seat ultra light, in the company’s works at Gosselies, Belgium in 1935.

The Teal amphibian was designed by David Thurston at Sandford in Maine, USA as a two-seat light amphibian for the sportsman pilot. It was fitted with a 112-kw (150-hp) Lycoming engine and a T-tail.

Thruster Aircraft, an Australian firm, built light aircraft at Kirrawee, NSW, for many years, later carrying on this work of construction and development of the series at Evans Head on the NSW north coast.

The Thruster Glasshouse was one of the many ultralight designs from Steven Cohen and was produced by Thruster Aircraft commencing in 1984.

The prototype of the S2 series was flown for the first time in 1956. Designed by Leland Snow, who founded the Snow Aeronautical Company (later Corporation), the type has proved to be very successful in its role as an agricultural aircraft over the years.

The Pegasus is a single engine high-wing monoplane with hybrid control, the wing having a swept back leading edge and a tapering chord. It has a canard wing and no tail.

The Thorp T-111 Sky Skooter was designed by John W Thorp as a development of his earlier design, the Little Dipper. The prototype was flown on 15 August 1946 powered by a 48-kw (65-hp) Lycoming engine and early production machines were produced by Thorp Engineering. Occasionally modifications were made to

Designed by John Thorp in the USA, the T-18 has been one of the most popular home-built light aircraft for amateur construction, hundreds having been built around the world.

For a period in the 1920s Thomas-Morse fighters were the main equipment of the front-line pursuit squadrons of the US Army and US Marine Corps and were produced in large numbers.

Built by The Airplane Factory at Tedderfield at Johannesburg in South Africa, the company produces two designs, the Sling 2, which is available as a GA aircraft with an all-up weight of 700 kg, but 600 kg ( l lb) if registered under LSA Regulations; and the Sling 4, the

The CX-4 is a single-seat, all-metal light sporting aircraft designed by David Thatcher of Pensacola, Florida, aimed at the homebuilt market and normally to be fitted with a Volkswagen engine conversion.

In the late 1990s five American Sportscopter light helicopters were imported to New Zealand, one, a Model 496 (ZK-HIY) later in 1999 being rebuilt to U600 specifications; and four Model 600s.

In the United States a number of conversions have been made to aircraft to change engines and increase performance. One company carrying out this type of conversion is Texas Turbine Conversions which converts de Havilland Otters to turbine power, and fits Honeywell TPE-331 turboprops to Cessna 208 and 208B Caravans

The Texas Parasol was a cheap to build light aircraft designed along the lines of Charles Beeson’s Chuckbird which was built near San Antonio, Texas, and more than 60 examples were completed.

The Bell 47G series of helicopters was purchased and operated by the US Army, USAF, US Navy, the British Army and many other forces around the world, the prototype of the series flying for the first time on 8 December 1945.

The Atlas 10 series is a self-launched glider seating two, with an engine behind the cockpit folding into the rear fuselage.