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Charadriiformes is a diverse order of small to medium-large birds. It includes about 390 species and has members in all parts of the world. Most charadriiform birds live near water and eat invertebrates or other small animals; however, some are pelagic (seabirds), others frequent deserts, and a few are found in dense forest, members of this group can also collectively be referred to as shorebirds.
Waders or shorebirds are birds of the order Charadriiformes commonly found wading along shorelines and mudflats in order to forage for food crawling or burrowing in the mud and sand, usually small arthropods such as aquatic insects or crustaceans. The term "wader" is used in Europe, while "shorebird" is used in North America, where "wader" may be used instead to refer to long-legged wading birds such as storks and herons.
Gulls, or colloquially seagulls, are seabirds of the family Laridae in the suborder Lari. They are most closely related to the terns and only distantly related to auks, skimmers and even more distantly to waders. Until the 21st century, most gulls were placed in the genus Larus, but that arrangement is now considered polyphyletic, leading to the resurrection of several genera. An older name for gulls is mews, which is cognate with German Möwe, Danish måge, Swedish mås, Dutch meeuw, Norwegian måke/måse and French mouette, and can still be found in certain regional dialects.
Primary gliders are a category of aircraft that enjoyed worldwide popularity during the 1920s and 1930s as people strove for simple and inexpensive ways to learn to fly.
Hunting Aircraft was a British aircraft manufacturer, that produced light training aircraft and the initial design that would evolve into the BAC 1-11 jet airliner. Founded as Percival Aircraft Co. In 1933, the company later moved to Luton, UK. It was eventually taken over by the British Aircraft Corporation (BAC) in 1960.
The Percival Gull was a British single-engined monoplane, first flown in 1932. It was successful as a fast company transport, racing aircraft and long-range record breaker. It was developed into the Vega Gull and the Proctor.
The Slingsby T.38 Grasshopper is a British primary training glider built by Slingsby Sailplanes for the Royal Air Force.
The Percival Vega Gull was a 1930s British, four-seater touring aircraft built by Percival Aircraft Limited. It was a single-engine, low-wing (Folding), wood-and-fabric monoplane with a fixed tailwheel undercarriage.
Hartlaub's gull, also known as the king gull, is a small gull, which is a non-migratory breeding resident endemic to the Atlantic Ocean coastline of South Africa and Namibia. Although it is predominantly coastal or estuarine, it is not a pelagic species, and is rarely seen at sea far from land. It was formerly sometimes considered to be a subspecies of the silver gull, and, as is the case with many gulls, it has traditionally been placed in the genus Larus but is now placed in the genus Chroicocephalus.
The Franklin O-335 was an American air-cooled aircraft engine of the 1940s. The engine was of six-cylinder, horizontally-opposed layout and displaced 335 cu in (5.5 L). The power output of later variants was 225 hp (168 kW).
Szekely aircraft engines were three-cylinder radial engines built in Holland, Michigan in the 1920s and 30s. They were used to power small aircraft such as the Rearwin Junior, Taylor H-2 and American Eagle Eaglet. Often criticized for reliability issues and design flaws, many were replaced with better engines in their original airframes. Few examples still exist but a museum quality example is on display in the Holland Museum in Holland, Michigan.
The Elliots Primary EoN or EoN Type 7 S.G.38 Primary was a training glider built in the UK shortly after World War II. It was an absolutely minimalist aircraft, consisting of a high, cable-braced wing connected to a conventional empennage by an open-truss framework, and was a copy of the German SG 38 Schulgleiter. Marketed to aeroclubs, the Primary EoN was also adopted in 1948 by the Air Training Corps and by the Combined Cadet Force under the name Eton TX.1. An example is at the Gliding Heritage Centre.
The Henschel Hs 121 was the first aircraft built by the German Henschel company. It was a high-wing monoplane with an inline engine, fixed undercarriage and single, open cockpit, designed as an advanced trainer. Only one aircraft was produced, in 1933-4, as a testpiece for the Air Ministry.
The Omega BS-12 was a utility helicopter with high ground clearance designed to carry loads behind the cabin at, or near, the center of gravity.
The Detroit G1 Gull is an American high wing, cable-braced primary glider that was manufactured by the Detroit Aircraft Corporation during the Great Depression.
The Schneider DFS 108-14 SG-38 Schulgleiter is a German high-wing, cable-braced, single-seat primary glider that was designed by Schneider, Rehberg and Hofmann at Edmund Schneider's factory at Grunau in 1938, hence the designation. It was produced by several builders, including Deutsche Forschungsanstalt für Segelflug (DFS).
The 'Sznycer SG-VI' was a single-engined three-seat utility helicopter designed and built in the United States and Canada in the late 1940s to the design of Bernard Sznycer, assisted by Selma Gottlieb and Engineering Products of Canada Ltd. (CanAmerican)
References
- ↑ "Civil Aircraft Register - Hungary" . Retrieved 25 October 2017.
