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Jūrmala Airport
Jūrmala Airport is an airport located in Smārde Parish, Tukums Municipality, in the Courland region of Latvia, southeast of Tukums. All of the airport's technical infrastructure, runway and buildings are what was left of the former Soviet military Tukums air base, which was a spartan military airfield with a single long ramp and revetted area. The base was completely abandoned, but in 2010 the conversion of the base to a civil airport with passenger terminals started. History The aviation history in the area starts in early 1930s, when the first hangar and workshop were constructed. During World War II an airfield was built for German ''Luftwaffe.'' After the war it was operated by the Soviet Navy, flying Su-24 (Fencer) aircraft operated by 668 MShAP (668 мшап, 668th Naval ''Shturmovik'' Aviation Regiment) . Another source gives 240 MShAP (240th Naval Shturmovik Aviation Regiment). In the spring of 1993 the airfield was recognized as Reserve Airfield of Tukums ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Concrete
Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most widely used building material. Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminum combined. Globally, the ready-mix concrete industry, the largest segment of the concrete market, is projected to exceed $600 billion in revenue by 2025. This widespread use results in a number of environmental impacts. Most notably, the production process for cement produces large volumes of greenhouse gas emissions, leading to net 8% of global emissions. Other environmental concerns include widespread illegal sand mining, impacts on the surrounding environment such as increased surface runoff or urban heat island effect, and potential public health implications from toxic ingredients. Significant research and development is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shturmovik
The Ilyushin Il-2 ( Russian: Илью́шин Ил-2) is a ground-attack plane that was produced by the Soviet Union in large numbers during the Second World War. The word ''shturmovík'' (Cyrillic: штурмовик), the generic Russian term for a ground-attack aircraft, became a synecdoche for the Il-2 in English sources, where it is commonly rendered Shturmovik, StormovikStapfer, 1995 and Sturmovik.Rastrenin, 2008 To Il-2 pilots, the aircraft was known by the diminutive "Ilyusha". To the soldiers on the ground, it was called the "Hunchback", the "Flying Tank" or the "Flying Infantryman". Its postwar NATO reporting name was Bark.Gunston 1995, p. 106. During the war, 36,183 units of the Il-2 were produced, and in combination with its successor, the Ilyushin Il-10, a total of 42,330Jane's 1989, p. 529. were built, making it the single most produced military aircraft design in aviation history, as well as one of the most produced piloted aircraft in history along with the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Former Soviet Military Air Bases In Latvia
A former is an object, such as a template, gauge or cutting die, which is used to form something such as a boat's hull. Typically, a former gives shape to a structure that may have complex curvature. A former may become an integral part of the finished structure, as in an aircraft fuselage, or it may be removable, being using in the construction process and then discarded or re-used. Aircraft formers Formers are used in the construction of aircraft fuselage, of which a typical fuselage has a series from the nose to the empennage, typically perpendicular to the longitudinal axis of the aircraft. The primary purpose of formers is to establish the shape of the fuselage and reduce the column length of stringers to prevent instability. Formers are typically attached to longerons, which support the skin of the aircraft. The "former-and-longeron" technique (also called stations and stringers) was adopted from boat construction, and was typical of light aircraft built until the ad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Latvian Airbases
Latvian may refer to: *Something of, from, or related to Latvia **Latvians, a Baltic ethnic group, native to what is modern-day Latvia and the immediate geographical region **Latvian language, also referred to as Lettish **Latvian cuisine **Latvian culture **Latvian horse *Latvian Gambit, an opening in chess See also *Latvia (other) Latvia is a country in Europe. Latvia can also refer to: *Latvian Soviet Socialist Republic (1940–1990) *Latvia (European Parliament constituency) *1284 Latvia - asteroid *Latvia Peak - mountain in Tajikistan Tajikistan (, ; tg, Тоҷ ... * {{disambiguation Language and nationality disambiguation pages ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Riga-Spilve Airport
Spilve Airport ( lv, Spilves lidosta, also given as ''Rīgas Centrālā lidosta'' – Riga Central Airport) is a former civilian and military airport in Latvia located 5 km north of Riga's city centre, from which aircraft took off as early as the First World War. It became the first international airport of Riga in the 1920s and fell into disuse in the 1980s after Riga International Airport was built. History Spilve Airport was first used as early as World War I. In 1922-1926 Latvijas Gaisa Satiksmes Akciju Sabiedriba operated flights on Berlin – Königsberg – Kaunas (or Klaipėda / Mėmel) – Riga line. From 1928, regular commercial flights of German-Soviet Deruluft linked Spilve with Berlin via Königsberg, Moscow via Smolensk and Leningrad via Tallinn. From 1932 Polish LOT connected Spilve to Warsaw via Vilnius and to Helsinki via Tallinn. In 1936 German Lufthansa started flights Berlin-Königsberg-Kaunas-Riga-Tallinn-Helsinki. In 1937 Swedish Aerotransport (A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Visual Flight Rules
In aviation, visual flight rules (VFR) are a set of regulations under which a pilot operates an aircraft in weather conditions generally clear enough to allow the pilot to see where the aircraft is going. Specifically, the weather must be better than basic VFR weather minima, i.e. in visual meteorological conditions (VMC), as specified in the rules of the relevant aviation authority. The pilot must be able to operate the aircraft with visual reference to the ground, and by visually avoiding obstructions and other aircraft. If the weather is less than VMC, pilots are required to use instrument flight rules, and operation of the aircraft will be primarily through referencing the instruments rather than visual reference. In a control zone, a VFR flight may obtain a clearance from air traffic control to operate as Special VFR. Requirements VFR require a pilot to be able to see outside the cockpit, to control the aircraft's altitude, navigate, and avoid obstacles and other aircraft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Piper PA-31-310 Navajo
The Piper PA-31 Navajo is a family of cabin-class, twin-engined aircraft designed and built by Piper Aircraft for the general aviation market, most using Lycoming engines. It was also license-built in a number of Latin American countries. Targeted at small-scale cargo and feeder liner operations and the corporate market, the aircraft was a success. It continues to prove a popular choice, but due to greatly decreased demand across the general aviation sector in the 1980s, production of the PA-31 ceased in 1984. Design and development At the request of company founder William T. Piper, Piper began development of a six- to eight-seat twin-engined corporate and commuter transport aircraft in 1962 under the project name ''Inca''. The type, now designated the PA-31 and looking like a scaled-up Twin Comanche, was officially announced in late 1964 after its first flight on 30 September that year. It was a low-wing monoplane with a conventional tail, powered by two Lycoming ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Distance Measuring Equipment
In aviation, distance measuring equipment (DME) is a radio navigation technology that measures the slant range (distance) between an aircraft and a ground station by timing the propagation delay of radio signals in the frequency band between 960 and 1215 megahertz (MHz). Line-of-visibility between the aircraft and ground station is required. An interrogator (airborne) initiates an exchange by transmitting a pulse pair, on an assigned 'channel', to the transponder ground station. The channel assignment specifies the carrier frequency and the spacing between the pulses. After a known delay, the transponder replies by transmitting a pulse pair on a frequency that is offset from the interrogation frequency by 63 MHz and having specified separation.''Annex 10 to the Convention on International Civil Aviation, Volume I – Radio Navigation Aids''; International Civil Aviation Organization; International Standards and Recommended Practices. DME systems are used worldwide, usi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
VHF Omnidirectional Range
Very high frequency omnirange station (VOR) is a type of short-range radio navigation system for aircraft, enabling aircraft with a receiving unit to determine its position and stay on course by receiving radio signals transmitted by a network of fixed ground radio beacons. It uses frequencies in the very high frequency (VHF) band from 108.00 to 117.95 MHz. Developed in the United States beginning in 1937 and deployed by 1946, VOR became the standard air navigational system in the world,VOR VHF omnidirectional Range , Aviation Tutorial – Radio Navaids, kispo.net used by both commercial and general aviation, until supplanted by satellite navigation systems such as in th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Instrument Landing System
In aviation, the instrument landing system (ILS) is a precision radio navigation system that provides short-range guidance to aircraft to allow them to approach a runway at night or in bad weather. In its original form, it allows an aircraft to approach until it is over the ground, within a of the runway. At that point the runway should be visible to the pilot; if it is not, they perform a missed approach. Bringing the aircraft this close to the runway dramatically increases the range of weather conditions in which a safe landing can be made. Other versions of the system, or "categories", have further reduced the minimum altitudes, runway visual ranges (RVRs), and transmitter and monitoring configurations designed depending on the normal expected weather patterns and airport safety requirements. ILS uses two directional radio signals, the ''localizer'' (108 to 112 MHz frequency), which provides horizontal guidance, and the ''glideslope'' (329.15 to 335 MHz frequency ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Smārde Parish
Smārde (German: ''Schmarden'') is a village in and center of Engure municipality, Latvia Latvia ( or ; lv, Latvija ; ltg, Latveja; liv, Leţmō), officially the Republic of Latvia ( lv, Latvijas Republika, links=no, ltg, Latvejas Republika, links=no, liv, Leţmō Vabāmō, links=no), is a country in the Baltic region of .... In 1877, it was one of the 10 towns where more railway stations were opened. References Towns and villages in Latvia {{Zemgale-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Su-24
The Sukhoi Su-24 (NATO reporting name: Fencer) is a supersonic, night fighter, all-weather attack aircraft developed in the Soviet Union. The aircraft has a variable-sweep wing, Twinjet, twin-engines and a side-by-side seating arrangement for its crew of two. It was the first of the USSR's aircraft to carry an integrated digital Nav/attack system, navigation/attack system. It remains in service with the Russian Air Force, Syrian Air Force, Ukrainian Air Force, Algerian Air Force and various other air forces to which it was exported. Development Background One of the conditions for accepting the Sukhoi Su-7B into service in 1961 was the requirement for Sukhoi to develop an all-weather variant capable of precision air strikes. Preliminary investigations with ''S-28'' and ''S-32'' aircraft revealed that the basic Su-7 design was too small to contain all the avionics required for the mission. OKB-794 (later known as Leninets) was tasked with developing an advanced nav/attack system, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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