The Lockheed Electra was the only major US-built airliner to use turboprop engines and, although 144 aircraft had been ordered by operators from the manufacturer at the time production commenced, only a further 26 orders were delivered.

In the 1920s Lockheed introduced the Model 8 Sirius which had been designed by Gerald Vultee. This was followed by the Model 9 Orion in 1930, which seated six passengers and a pilot.

The Blanik L-13 glider was a two-seat trainer produced by Let Kunovice in Czechoslovakia in the 1950s, the prototype making its first flight in 1956 and more than 3,000 examples have been delivered in a variety of models over many years. It is said to be the most widely used

In 1953 the Lobert brothers, William and James, decided to design and build their own aircraft and this machine (F-WECC) became known as the Lobert 01, flying for the first time at Lille in France in 1953.

The Morava was designed by Ladislav Smrcek as a four/five seat successor to the Aero 145, and the prototype, the first of three (OK-LNA), was flown for the first time on 8 April 1957.

In the 1950s two brothers, James and William Lobet, who were residents in the south of France, showed an interest in aircraft and designed and built a range of gliders to meet their needs.

The Let Z-37 Cmelak (Bumblebee) was an agricultural aircraft designed and built in Czechoslovakia, work commencing in 1961 and the prototype the XZ-37 first flew on 29 March 1963.

Of similar configuration to the Maxair Drifter, the Air Cam is a two-seat, open-cockpit, light twin-engine aircraft intended for aerial photography which has utility applications, and which is marketed by Leza-Lockwood Corp of Sebring, Florida.

The XL-2 was designed by Anthony Tiarks and built in the United Kingdom as a two-seat low-wing, general aviation aircraft in the late 1990s by Liberty Aircraft, a subsidiary of the company which previously conceived and marketed the very successful Europa kitplane.

Charles Ligeti in 1982 built a hang-glider for the Australian Bird Man Rally and then went on to design the Statos, the prototype flying on 25 April 1985 for 45 minutes.

This is one of a series of light aircraft kits produced by Light Miniature Aircraft of Keechobee, Florida in kit form for amateur construction.

Light miniature Aircraft of Okeechobee, Florida, is a company which has produced replicas of light aircraft of the 1950s to various scale, these including the LM-2X-2P 7/8th scale replica of a Taylorcraft.

The Learjet 60 was announced on 3 October 1990 as the successor to the Learjet 55C, the first proof-of-concept aircraft flying with a Pratt & Whitney PW 305 turbofan on 18 October 1990, flying with two PW 305s in May 1992.

The LM-5X Super Cub was first introduced to the light aircraft market in 1993, being an 88% scale copy of a Piper J-3 Cub, the aircraft being constructed of wood covered in dacron. It is a high-wing machine with a high-wing with a tractor engine and a tailwheel.

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.

The Lincoln Sports light biplane for amateur construction was designed in the USA in the 1920’s by Mr S Swanson of Vermillion, North Dakota.

The L-410 series was designed by the Letov organisation as a light transport and feeder liner for operation in the eastern block. The prototype (OK-YKE) flew for the first time on 16 April 1969 powered by two 533-kw (715-eshp) Pratt & Whitney Canada PT6A-27 turboprops.

The Classic is one of a series of ultra-light aircraft produced by Free Bird Innovations Inc of Detroit Lakes, Minnesota.

One of the important design bureaus in the Soviet Union during World War II was that headed by Semyon Alexse’evich Lavochkin.

The Z-2300 was designed for unlimited class competition aerobatics and is a two-seat development of the single-seat Z-300, which itself was developed from the Rebel 300.

The Hitchhiker was designed, built and marketed by Robert Labahan of Seville, VIC in the mid 1980s as a single-seat, open-cockpit ultra-light suitable for cross-country and short field operations.

The Lea Kestrel was designed by Cecil Lea under the provisions of ANO 95.10 and was built in prototype form following the granting of a Technical Data Package.

The Renegade is a six-seat development of the Buccaneer, a type which has proved very popular in this region, with more than 40 examples registered over the years.

For many years marketed as the fastest business jet in production, the Learjet was also the most well known and one of the best selling, with some 745 turbojet examples having been delivered in the 23, 24, 25, 28 and 29 series.

The Colonial C-1 Skimmer was built by the Colonial Aircraft Corporation in the USA, with the prototype being flown for the first time on 17 July 1948. This three-seat amphibian was powered by a 93-kw (125-hp) Lycoming O-290-D engine, and received its type approval on 19 September 1955.

The Learjet 31 is one of a series of business and executive jet aircraft produced by Learjet, which is a subsidiary of Bombardier Aerospace.

The LA-270 Seafury is a development of the Lake LA-250 Renegade produced by Lake Aircraft Inc of Kissimmee, Florida and is a six-seat amphibious utility aircraft developed in the United States.

The design of the Learjet 45 was announced at the NBAA convention in the United States on 29 September 1992. The prototype/first production aircraft (N45XL) was first flown on 7 October 1995, being followed by the second aircraft (N452LJ) on 6 April 1996.

Following the success of the Neico Lancair series of kitplanes, Lance Neibauer designed a production certificated aircraft based on the four-seat Lancair ES and set up a separate company to build and market the new type.

The Longhorn 55 was a development of the former Learjet series, being a mating of the wing used on the Series 28 and 29 with a new designed fuselage possessing a 50% greater cross section.

The Skylark is an ultra-light aircraft developed by Mr Ronald Lang of Officer, VIC in the early 1980s. Mr Lang also designed and developed an engine known as the Skylark for use in his and other ultra-light aircraft.

In 1926 the RAAF was seeking to obtain a number of new aircraft types, one of which was to be a single-engine biplane for army co-operation and light-bombing duties.

The Lasconder was the second commercial aircraft designed and built by the Larkin Aircraft Supply Co Ltd (LASCo).

The Lascoter single-engine cabin monoplane was designed by Mr W S Shackleton, a British designer, who visited and was resident in Australia for a period in the 1930s.

The Kostevc parasol aircraft was designed and built by Joseph Kostevc of Goonelaba, a small town near Lismore, NSW.

This aircraft was an 80-percent scale custom-built replica of a North American P-51K Mustang and was designed and built by Mr Terrence Kronke in Queensland, although the wingspan was built to 72% scale. It is described as a P-51 Scale Mustang and was registered to the builder on 1 December

The Klemm L-32 series was introduced to the Klemm range of light aircraft in 1933, being a three-seat light touring aircraft designed by Dr Ing Hans Klemm.

The Klemm L 26 was one of a series of light aircraft produced at the conclusion of World War I.

Leichtflugzeugbau Klemm Gmbh of Boblingen, Wurtemberg, was the successor to the Daimler-Werke AG which first produced light aircraft in 1919.

The Firestar was produced by Kolb Aircraft in the United States in the 1980s as a single-seat ultra-light and had features of early models produced by the company but had the benefit of some years of development.