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The Curtiss SOC Seagull was an American single-engined scout observation seaplane, designed by Alexander Solla of the Curtiss-Wright Corporation for the United States Navy. The aircraft served on battleships and cruisers in a seaplane configuration, being launched by catapult and recovered from a sea landing. The wings folded back against the fuselage for storage aboard ship. When based ashore or on carriers the single float was replaced by fixed wheeled landing gear. Curtiss delivered 258 SOC aircraft, in versions SOC-1 through SOC-4, beginning in 1935. The SOC-3 design was the basis of the Naval Aircraft Factory SON-1 variant, of which the NAF delivered 64 aircraft from 1940. The aircraft served as an important observation craft during WW2 for the U.S. Navy, although the Vought OS2U Kingfisher served in greater numbers. The SOC was ordered for production by the United States Navy in 1933 and first entered service in 1935. The first order was for 135 SOC-1 models, which was followed by 40 SOC-2 models for landing operations and 83 SOC-3s. A variant of the SOC-3 was built by the Naval Aircraft Factory and was known as the SON-1. The first ship the SOC was assigned to was the light cruiser USS Marblehead in November 1935; by the end of the decade, the SOC had replaced its predecessor throughout the fleet. Production came to an end in 1938. By 1941, most battleships had transitioned to the Vought OS2U Kingfisher and cruisers were expected to replace their aging SOCs with the third generation SO3C Seamew. The SO3C, however, suffered from a weak engine and plans to adopt it as a replacement were scrapped. The SOC, despite belonging to an earlier generation, went on to execute its missions of gunfire observation and limited range scouting missions. For more details of operational history, and the seven variants, click here. Specification below are for the SOC-1 floatplane variant.

The VL Myrsky ("Storm") is a Finnish World War II fighter aircraft originally developed by Valtion lentokonetehdas for the Finnish Air Force. The models of the aircraft were Myrsky I, Myrsky II, and Myrsky III. It was designed by Edward Wegelius, Martti Vainio and Torsti Verkkola who worked at Valtion lentokonetehdas. The decision to start developing a new fighter for the Finnish Air Force was based on experience gained before the Winter War: in the "arms race" leading up to a war, smaller nations can have difficulty purchasing top-of-the-line fighters without a significant political cost. The Finnish Air Force requested preliminary proposals for a domestic fighter from State Aircraft Factory (Valtion Lentokonetehdas) in early 1939, before the Winter War. State Aircraft Factory prepared five alternative proposals by May 1939. After that, The Ministry of Defence ordered the fighter design from State Aircraft Factory in June 1939. The preliminary design was made by the aircraft-designer trio Arvo Ylinen (head of the design-bureau), Martti Vainio (aerodynamics), and Torsti Verkkola (structural design). Edward Wegelius was appointed head of the design department of the State Aircraft Factory when Ylinen later moved on to the Helsinki University of Technology in August 1940. VL did not appoint any main constructor to its products, such as the German aircraft manufacturers did. Due to difficulties obtaining duraluminium, the wings were made out of plywood and the fuselage was metal structure with a fabric and plywood skin. The planned Bristol Taurus III engine was not available due to war, so a Pratt & Whitney R-1830 (civil Twin Wasp) was chosen. Availability of this engine was also problematic, so the first prototype used an R-1830-S3C3-G, while later prototypes and production fighters used less-powerful SC3-Gs. Finland bought these engines from German war booty stocks. The first Myrsky prototype flew on 23 December 1941. The prototype was fully functional, but too heavy. After some modifications they soon had three new prototype aircraft. The test flights showed some structural problems during high-speed tests. All three prototypes were destroyed during test flights; two test pilots died, one was seriously injured. The culprit was found to be aeroelastic flutter, which was a poorly known phenomenon at the time. Resolving the flutter problem took almost a year. Series production started in autumn 1942 far before German deliveries of Messerschmitt Bf 109 had begun in 1943. The series production version was called the Myrsky II. 47 Myrsky IIs were built and together with the Myrsky I version and Myrsky prototype the production amounted to 51 in all. Although the aircraft met the specifications set for it, it did not fulfill all expectations due to structural problems. or operational history, click here. The Myrsky III was ordered in spring 1943, but none were built. Variants Myrsky Prototype, 1 built Myrsky I Preproduction aircraft, 3 built Myrsky II (Specifications below) Series-production aircraft, 47 built Myrsky III 10 being built but cancelled

(No to be confused with the Curtiss SOC Seagull of WW2) The Curtiss Seagull was a civil variant of the Curtiss MF flying boat trainer produced from 1918, the civil aircraft having a 119 kw (160 hp) Curtiss C.6 six-cylinder in-line engine in place of the V-8 unit in the military variants. The MF was one of a long line of flying boats produced for the US services following the entry of the United States into World War I, when flying boats were required for patrolling coastal waters to prevent German submarine operations. Two examples of the Seagull came to Australia. Seagull G-AUCV (c/ n MF.419/28) was registered in 1921. It left Double Bay, Sydney, NSW on 13 March 1921 and made an epic flight to and from Tasmania, this being described as the First Aerial Reconnaissance in Australia, the pilot being Capt Andrew Lang(said to be shot down by the Red Baron during World War I, the operation being financed and promoted by Lebbeus Hordern. Cameras were carried on board in order that aerial photographs could be taken of the coastline. The auxiliary yacht ‘Acielle’ accompanied the expedition and acted as a tender for the Seagull. The flight was made in short stages, the first night being at the Shoalhaven River, near Nowra, NSW, thence to Jervis Bay, Moruya, down the coast to Eden and Marlo where the Victorian Premier, Mr Lawson, was met. Later he was taken for a flight over the area. Stops were made and local flights were made with passengers. From Welshpool it flew to Lady Barren and then across the Tasman, landing on the Tamar River close to Cataract Gorge. The return flight commenced on 19 June and the aircraft arrived at Double Bay on 4 July 1921. The bottom photo below shows the aircraft on the Tamar River. For more details of these aircraft click here.

The Stinson Junior was a high-winged American monoplane of the late 1920s, built for private owners, and was one of the first such designs to feature a fully enclosed cabin. Stinson Aircraft had introduced their large high-winged six-seat SM-1 Detroiter in 1927. The SM-1 was sold successfully to airlines and other commercial operators, but it was too large to appeal to private owners. Stinson therefore redesigned the aircraft with shorter span wings, shorter fuselage and a choice of less powerful engines as the SM-2 Junior. The aircraft was a strut-braced high-wing monoplane with a sturdy outrigger undercarriage which was braced against the wing support struts and the initial 110 h.p. Warner Scarab engine was normally left uncowled. The first SM-2 flew in mid-1928 and deliveries commenced that year. Later versions of the SM-2 had higher-powered engines of between 165 h.p. and 225 h.p. The design was further developed to produce the more powerful and heavier SM-7 and SM-8 models which were full four-seaters and these were also used by commercial firms. The Junior R of 1932 had a deeper fuselage and a low-set stub wing to mount the undercarriage and wing struts. The various Stinson Junior models were in production between 1928 and 1933, being bought by both wealthy private flyers and commercial enterprises. A total of 321 Juniors were built, of which 27 survived in 2001 and several of these were airworthy in private hands. In 1977, the Experimental Aircraft Association painted an SM-8A "Spirit of EAA", and flew a cross-country tour as the support plane with a "spirit of St. Louis" replica as part of the 50th anniversary of Lindbergh's Trans-Atlantic crossing. Variants SM-2 Warner Scarab 110 h.p. SM-2AA Wright J6-5 165 h.p. SM-2AB Wright J5 220 h.p. SM-2AC (Specifications below) Wright J6-7 225 h.p. SM-2ACS floatplane version of the SM-2AC SM-7A Wright J6-9 300 h.p. SM-7B Wasp Junior 300 h.p. SM-8A Lycoming R-680 215 h.p. SM-8B Wright J6-7 225 h.p. SM-8D Packard DR-980 diesel 225 h.p. Junior R Lycoming R-680 215 h.p. and deeper fuselage. 28 Units built Junior R-2 Lycomong R-680-BA 240 h.p. 3 Built. Junior R-3 as R-2 with retractable undercarriage 3 Units built.[5] Junior R-3-S Lycoming R-680-6 245 h.p. Junior S Lycoming R-680 215 h.p. with fully cowled engine Junior W generally similar to the SM-7B, powered by a Wasp Junior engine

The Ryan FR Fireball was an American mixed-power (piston and jet-powered) fighter aircraft designed by Ryan Aeronautical for the United States Navy during World War II. It was the Navy's first aircraft with a jet engine. Only 66 aircraft were built before Japan surrendered in August 1945. The FR-1 Fireball equipped a single squadron before the war's end, but did not see combat. The aircraft ultimately proved to lack the structural strength required for operations aboard aircraft carriers and was withdrawn in mid-1947. Design of the FR-1 began in 1943 to a proposal instigated by Admiral John S. McCain Sr. for a mixed-powered fighter because early jet engines had sluggish acceleration that was considered unsafe and unsuitable for carrier operations. Ryan received a contract for three XFR-1 prototypes and one static test airframe on 11 February 1943 with the first two prototypes delivered in 14 months. Another contract was placed for 100 aircraft on 2 December 1943 and a later contract on 31 January 1945 increased the total of FR-1s on order to 700. The XFR-1 was a single-seat, low-wing monoplane with tricycle landing gear. A 1,350-horsepower (1,010 kW) Wright R-1820-72W Cyclone radial engine was mounted in the fighter's nose while a 1,600 lbf (7,100 N) General Electric I-16 (later redesignated as the J-31) turbojet was mounted in the rear fuselage. It was fed by ducts in each wing root which meant that the wing had to be relatively thick to house the ducts and the outward-retracting main landing gear. To simplify the fuel system, both engines used the same grade of avgas. Two self-sealing fuel tanks were housed in the fuselage, one of 130 US gallons (490 L; 110 imp gal) and the other of 50 US gallons (190 L; 42 imp gal). The cockpit was positioned just forward of the leading edge of the wing and the pilot was provided with a bubble canopy which gave him excellent visibility. The XFR-1 had the first laminar flow airfoil in a navy carrier aircraft. The Fireball was armed with four .50 in (12.7 mm) M2 Browning machine guns with 300 rounds per gun. They were mounted in the center section of the wing, immediately outboard of the air intakes for the jet engine. Four 5-inch (127 mm) rockets could be carried under each outer wing panel and two hardpoints were provided under the center section for 1,000 lb (454 kg) bombs or 100 US gal (380 L; 83 imp gal) drop tanks. Armor plates were provided in front and behind the pilot's seat and for the oil cooler. For more details of design, development and operational history, click here. Variants XFR-1 Military designation of the prototype Model 28 aircraft, three built. FR-1 Fireball Single-seat fighter aircraft, 66 built. (Specifications below) FR-2 Conversion with a Wright R-1820-74W replacing earlier piston engine, one aircraft modified. FR-3 Proposed variant with a General Electric I-20 replacing earlier jet engine; never built. XFR-4 Variant with Westinghouse J34; one built.[7]J34-WE-12.

The Messerschmitt Me 163 Komet is a rocket-powered interceptor aircraft primarily designed and produced by the German aircraft manufacturer Messerschmitt. It is the only operational rocket-powered fighter aircraft in history as well as the first piloted aircraft of any type to exceed 1,000 kilometres per hour (620 mph) in level flight. Aproximately 370 units were produced. Development of what would become the Me 163 can be traced back to 1937 and the work of the German aeronautical engineer Alexander Lippisch and the Deutsche Forschungsanstalt für Segelflug (DFS). Initially an experimental programme that drew upon traditional glider designs while integrating various new innovations such as the rocket engine, the development ran into organisational issues until Lippisch and his team were transferred to Messerschmitt in January 1939. Plans for a propeller-powered intermediary aircraft were quickly dropped in favour of proceeding directly to rocket propulsion. On 1 September 1941, the prototype performed its maiden flight, quickly demonstrating its unprecedented performance and the qualities of its design. Having been suitably impressed, Nazi officials quickly enacted plans that aimed for the widespread introduction of Me 163 point-defence interceptors across Germany. During December 1941, work began on the upgraded Me 163B, which was optimized for large-scale production. During early July 1944, German test pilot Heini Dittmar reached 1,130 km/h (700 mph), an unofficial flight airspeed record that remained unmatched by turbojet-powered aircraft until 1953. That same year, the Me 163 began flying operational missions, being typically used to defend against incoming enemy bombing raids. As part of their alliance with Empire of Japan, Germany provided design schematics and a single Me 163 to the country; this led to the development of the Mitsubishi J8M. By the end of the conflict, roughly 370 Komets had been completed, most of which were being used operationally. Some of the aircraft's shortcomings were never addressed, and was less effective in combat than predicted. Capable of a maximum of 7.5 minutes of powered flight, its range fell short of projections and greatly limited its potential. Efforts to improve the aircraft were made (most notably the development of the Messerschmitt Me 263), but many of these did not see actual combat due to the sustained advancement of the Allied powers into Germany in 1945. For a dedicated interceptor aircraft that achieved operational status, the track record of the Me 163 is somewhat underwhelming, having been credited with the destruction of between nine and 18 Allied aircraft against ten losses. Aside from the actual combat losses incurred, numerous Me 163 pilots had been killed during testing and training flights. This high loss rate was, at least partially, a result of the later models' use of rocket propellant, which was not only highly volatile but also corrosive and hazardous to humans. One noteworthy fatality was that of Josef Pöhs, a German fighter ace and Oberleutnant in the Luftwaffe, who was killed in 1943 through exposure to T-Stoff in combination with injuries sustained during a failed takeoff that ruptured a fuel line. Besides Nazi Germany, no nation has ever made operational use of either the Me 163 specifically, or rocket planes in general. A few captured Me 163s were flown for evaluation and research purposes. Australia Me 163B, Werknummer 191907 was part of JG 400, captured at Husum and was shipped to the RAE. It was allocated the RAF Air Ministry number of AM222 and was dispatched from Farnborough to No. 6 MU, RAF Brize Norton, on 8 August 1945. On 21 March 1946, it was recorded in the Census of No. 6 MU, and allocated to No. 76 MU (Wroughton) on 30 April 1946 for shipment to Australia. For many years this aircraft was displayed at RAAF Williams Point Cook, but in 1986, the Me 163 was transferred to The Australian War Memorial for refurbishment. It was stored at the AWM Treloar Technology Annex Mitchell, refurbished and reassembled, and was later put up for display together with a Messerschmitt Me 262A-2a, Werknummer 500200 (AM81). For details of the development, operational history and models of the Me-163, click here.

The Aermacchi M-346 Master is a family of military twin-engine transonic advanced jet trainers and light combat aircraft. Originally co-developed with Yakovlev as the Yak/AEM-130, the partnership was dissolved in 2000 and then Alenia Aermacchi proceeded to separately develop the M-346 Master, while Yakolev continued work on the Yakovlev Yak-130. The first flight of the M-346 was performed in 2004. The type is currently operated by the air forces of Italy, Israel, Singapore, Greece, Turkmenistan and Poland. Since 2016 the manufacturer became Leonardo-Finmeccanica as Alenia Aermacchi merged into the new Finmeccanica, finally rebranded as Leonardo in 2017. The M-346 is designed for the main role of lead-in fighter trainer, in which aircraft's performance and capabilities are used to deliver pilot training for the latest generation of combat fighter aircraft. Powered by a pair of Honeywell F124 turbofan dry engines, designed to reduce acquisition and operating costs, it is capable of transonic flight without using an afterburner; Alenia Aermacchi has claimed that the M-346's flight performance to be "second only to afterburner-equipped aircraft". During the design process, the twin concepts of "design-to-cost" and "design-to-maintain" were adhered to, reducing acquisition and operational costs; the per flying hour costs of the M346 are reportedly one-tenth of those of the Eurofighter Typhoon. Outside of the training role, the M-346 was designed from the onset to accommodate additional operational capabilities, including combat missions such as close air support and air policing duties. The combat capable M-346FA can perform ground attack, homeland defence and air policing missions and reconnaissance. Various munitions and stores can be carried, including IRIS-T or AIM-9 Sidewinder air-to-air missiles, various air-to-surface missiles, anti-ship missiles, free-fall and laser-guided bombs and rockets, a 12.7 mm gun pod, reconnaissance and targeting pods, and electronic warfare pods; weapon aiming is performed using the Helmet Mounted Display and the multifunction displays. All main systems are duplicated, and the flight system reconfigurable, to increase survivability and functionality in the event of battle damage being sustained.[28] The aircraft has a maximum range of 1,375 nautical miles when outfitted with a maximum of three external fuel tanks, this can be extended via in-flight refuelling via a removable refuelling probe. For more details of the design and operational history of the M-346, click here. Variants M-346 Designation for the basic type. T-346A Italian military designation from 2012 for the M-346. M-346LCA (Light Combat Aircraft) Armed variant offered to Poland as a replacement for aging Su-22. Designation no longer in use. M-346FT (Fighter Trainer) Multirole variant capable of switching between training and combat operations. New features include a new tactical datalink system and different armament capability, but do not include physical changes to the hardware. M-346FA (Fighter Attack) Multirole variant capable of air-to-air and air-to-surface combat with a 3 tonne payload spread over 7 hardpoints, advanced Grifo-M346 radar radar, countermeasures and stealth features including engine intake grids and radar-absorbing coatings on the canopy and wing leading edge. It is being marketed as a light attack aircraft also suitable for aggressor and companion training purposes. The aircraft was revealed on June 18, 2017, in a static display at that year's Paris Air Show. The aircraft is being marketed for export to South American and East Asian countries, and is claimed to be able to carry out operational missions at far lower costs than those of front-line fighters. T-100 Designation used for the United States Air Force's T-X program.

The Polaris FIB ("Flying Inflatable Boat") is an Italian flying boat ultralight trike, that was designed and produced by Polaris Motor of Gubbio. The aircraft was introduced in the mid-1980s and remained in production until about 2014. It was supplied as a complete ready-to-fly-aircraft. It is now produced by New Polaris 2020 S.L. of Tenerife, Canary Islands, Spain. The FIB complies with the Fédération Aéronautique Internationale microlight category, including the category's maximum gross weight of 450 kg (992 lb). The FIB has a maximum gross weight of 406 kg (895 lb). The aircraft features a cable-braced hang glider-style high-wing, weight-shift controls, a two-seats-in-tandem open cockpit, an inflatable boat hull and a single engine in pusher configuration. The FIB has no wheeled landing gear, but as a result of customer demand it was later developed into the amphibious Polaris AM-FIB. The FIB's single surface wing is made from bolted-together aluminum tubing and covered in Dacron sailcloth. The 11.15 m (36.6 ft) span wing is supported by a single tube-type kingpost and uses an "A" frame weight-shift control bar. The powerplant is a twin cylinder, liquid-cooled, two-stroke, dual-ignition 64 hp (48 kW) Rotax 582 engine. The aircraft has an empty weight of 216 kg (476 lb) and a gross weight of 406 kg (895 lb), giving a useful load of 190 kg (419 lb). With full fuel of 40 litres (8.8 imp gal; 11 US gal) the payload is 161 kg (355 lb). The company continued to develop the design and in 2010 introduced a new hull shape to increase performance in the water and in the air. Dimitri Delemarie, writing in The World Directory of Leisure Aviation 2011-12, said of the design, "It will never win any speed records, but if there were an award for fun, it would be right up there at the top." The FIB is used by a number of government operators, including police and coastguards. In the early 2000s the company offered a version with the same wing, but without a boat hull, using a conventional minimalist trike frame mounted on wheeled landing gear or optionally skis. Even though it did not have a boat hull it was still marketed under the FIB name.

The ArrowCopter is a series of Austrian autogyros, designed and produced by FD-Composites GmbH of Zeillern. When it was in production the ArrowCopter AC20 series was supplied as complete, factory built, ready-to-fly-aircraft. By the summer of 2018 the company website had been removed and the company had filed for insolvency protection. In October 2019 the Sichuan Dahua General Aircraft Manufacturing Company of China purchased the assets of the company. The ArrowCopter was designed to comply with British BCAR Section T rules. It features a single main rotor, a two-seats in tandem configuration enclosed cockpit with a bubble canopy, stub wings, tricycle landing gear and a four-cylinder, liquid and air-cooled, four-stroke, dual-ignition turbocharged 115 hp (86 kW) Rotax 914 engine in pusher configuration. The 100 hp (75 kW) normally aspirated Rotax 912S and a 118 hp (88 kW) BMW boxer engine with a reduction drive were reported as being under consideration in 2011 as alternate powerplants. The aircraft fuselage is made from an autoclave-cured carbon fibre/kevlar sandwich and mounts an 8.50 m (27.9 ft) diameter rotor. The main landing gear wheels are mounted on the tips of the short wings. The AC 10 has an empty weight of 250 kg (550 lb) and a gross weight of 450 kg (990 lb), giving a useful load of 200 kg (440 lb). The AC 10 flew for the first time on 20 November 2008 and the first production examples appeared in 2011. Production of the AC 20 began in 2012. By 2015 at least 40 aircraft had been produced, going to customers in nine countries. In September 2018, FD-Composites GmbH filed for insolvency protection due to management and financial issues. In October 2019 the Sichuan Dahua General Aircraft Manufacturing Company of China completed the purchase of ArrowCopter's assets. Sichuan Dahua indicated that they intended to retain manufacturing in Austria and set up parallel manufacturing in China. Variants FD-Composites ArrowCopter AC10 Initial version with a maximum takeoff mass of 560 kg (1,230 lb) FD-Composites ArrowCopter AC20 (Specifications below) Production version with an empty mass of 342 kg (754 lb) and a MTOM of 560 kg (1,230 lb)

The ELA Aviation ELA 10 Eclipse is a Spanish, two-seat, enclosed autogyro, designed and built by ELA Aviación of Córdoba, Andalusia, introduced at the AERO Friedrichshafen airshow in 2014. The aircraft is supplied complete and ready-to-fly. The ELA 10 Eclipse has a single main rotor, a two-seats-in tandem enclosed cockpit with a bubble canopy, tricycle landing gear with wheel pants, plus a tail caster and a four-cylinder, liquid and air-cooled, four stroke 100 hp (75 kW) Rotax 912 ULS or turbocharged 115 hp (86 kW) Rotax 914 engine in pusher configuration. The aircraft fuselage is made from composites. Its two-bladed rotor has a diameter of 8.50 m (27.9 ft) and a chord of 22 cm (8.7 in). The aircraft has a typical empty weight of 275 kg (606 lb) and a gross weight of 530 kg (1,168 lb) with the Rotax 914 engine (530 kg (1,168 lb) with the Rotax 912 ULS engine), giving a useful load of 255 kg (562 lb). With full fuel of 100 litres (22 imp gal; 26 US gal) the payload for the pilot, passengers and baggage is 183 kg (403 lb).

The EDM Aerotec CoAX 2D/2R is a series of German coaxial main rotor helicopters designed and produced by EDM Aerotec of Geisleden. The aircraft is supplied complete and ready-to-fly. The CoAX 2D/2R was originally known as the FLIP 2 (Fly In Perfection) and is a derivative of the FLIP 1, a conventional helicopter with a main and tail rotor. The CoAX 2D/2R was designed to comply with the European Class 6 microlight helicopter rules, including the category's maximum takeoff weight of 450 kg (992 lb). Design testing commenced in 2012. The design features dual coaxial main rotors, a two-seats-in side-by-side configuration enclosed cockpit and skid landing gear with ground handling wheels. The two variants use different power plants. The aircraft fuselage is made from composites. Its dual composite two-bladed main rotors have a diameter of 6.50 m (21.3 ft). The aircraft has a typical empty weight of 283 kg (624 lb) and a gross weight of 450 kg (992 lb), giving a useful load of 167 kg (368 lb). With full fuel of 48 litres (11 imp gal; 13 US gal) the payload for the pilot, passengers and baggage is 132 kg (291 lb). Variants CoAX 2D (Specifications below) Current production version in 2017, powered by a six-cylinder, liquid-cooled, four stroke 135 hp (101 kW) D-Motor LF39 engine. CoAX 2R Version powered by a four-cylinder, liquid and air-cooled, four stroke 100 hp (75 kW) Rotax 912ULS engine. No longer advertised as available in 2014.