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Northwest Alabama Regional Airport
Northwest Alabama Regional Airport is a public-use airport located one mile east of Muscle Shoals, in Colbert County, Alabama. It is owned by the counties of Colbert and Lauderdale. The airport is serviced by Contour Airlines, subsidized by the Essential Air Service program. Formerly, the airport operated as Muscle Shoals Auxiliary Field. History Military The airport opened as Muscle Shoals Auxiliary Field in February 1940, but in 1942 it was taken over by the United States Army Air Forces as a World War II pilot training military airfield. It was assigned to the AAF Flying Training Command, Southeast Training Center (later Eastern Flying Training Command) as a basic (stage 2) pilot training airfield. Pilot training at the airfield apparently ended on May 30, 1944, with the drawdown of AAFTC's pilot training program. The airfield was returned to civil control at the end of the war. Recent Until summer 2009 Muscle Shoals was served from Northwest Airlines' hub in Memphis b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Agriculture Imagery Program
The National Agriculture Imagery Program (NAIP) acquires aerial imagery during the agricultural growing seasons in the continental United States. It is administered by the USDA's Farm Service Agency (FSA) through the Aerial Photography Field Office (APFO) in Salt Lake City. A primary goal of the NAIP program is to make digital ortho photography available to governmental agencies and the public within a year of acquisition. This "leaf-on" imagery is used as a base layer for GIS programs in the FSA's County Service Centers, and is used to maintain the Common Land Unit (CLU) boundaries. Projects are contracted each year based upon available funding and the FSA imagery acquisition cycle. Beginning in 2003, NAIP was acquired on a 5-year cycle. 2008 was a transition year, and a three-year cycle began in 2009. Since the NAIP program began in 2003, vendors have been transitioning to digital sensors in imagery acquisition. In 2009, most NAIP imagery will be acquired with digital sensors rat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nashville International Airport
Nashville International Airport is a public/military airport in the southeastern section of Nashville, Tennessee, United States. Established in 1937, its original name was Berry Field, from which its ICAO and IATA identifiers are derived. The current terminal was built in 1987, and the airport took its current name in 1988. Nashville International Airport has four runways and covers of land.. Federal Aviation Administration. effective August 11, 2022. The airport is served by 30 airlines, 26 passenger and 4 cargo-only ones (and of which 7 are foreign airlines) and has 585 daily arriving and departing flights with nonstop flights to 101 airports in North America and Europe. Joint Base Berry Field, formerly Berry Field Air National Guard Base is located at Nashville International Airport. The base is home to the 118th Wing and the 1/230th Air Cavalry Squadron Tennessee Army National Guard. History Origins Nashville's first airport was Hampton Field, which operated until 192 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hartsfield–Jackson Atlanta International Airport
Hartsfield–Jackson Atlanta International Airport , also known as Atlanta Hartsfield–Jackson International Airport, Atlanta Airport, Hartsfield, Hartsfield–Jackson and, formerly, as the Atlanta Municipal Airport, is the primary international airport serving Atlanta, Georgia, United States. The airport is located south of the Downtown Atlanta district. It is named after former Atlanta mayors William B. Hartsfield and Maynard Jackson. ATL covers of land and has five parallel runways. effective December 30, 2021. Hartsfield-Jackson has been the world's busiest airport by passenger traffic since 1998, except when it briefly lost its title in 2020 due to the effect of the COVID-19 pandemic in the United States but regained it in 2021. Hartsfield–Jackson is the primary hub of Delta Air Lines. With just over 1,000 flights a day to 225 domestic and international destinations, the Delta hub is the world's largest airline hub and is considered the first mega-hub in America. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bureau Of Transportation Statistics
The Bureau of Transportation Statistics (BTS), part of the United States Department of Transportation, is a government office that compiles, analyzes, and publishes information on the nation's transportation systems across various modes; and strives to improve the DOT's statistical programs through research and the development of guidelines for data collection and analysis. BTS is a principal agency of the U.S. Federal Statistical System. History BTS was created in 1992 under the Intermodal Surface Transportation Efficiency Act. On February 20, 2005, BTS became part of the Research and Innovative Technology Administration (RITA). Through the Fixing America's Surface Transportation (FAST) Act passed on December 4, 2015, BTS and RITA moved to the Office of the Assistant Secretary of Transportation for Research and Technology. Since 2009, BTS has also maintained a Twitterbr>feed with regular tweets related to the release of BTS data products and news bulletins concerning transp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charlotte Douglas International Airport
Charlotte Douglas International Airport (IATA: CLT, ICAO: KCLT, FAA LID: CLT), typically referred to as Charlotte Douglas, Douglas Airport, or simply CLT, is an international airport in Charlotte, North Carolina, located roughly six miles west of the city's central business district. Charlotte Douglas is the primary airport for commercial and military use in the Charlotte metropolitan area. Operated by the city of Charlotte's aviation department, the airport covers 5,558 acres (2,249 ha) of land., effective March 25, 2021. Established in 1935 as Charlotte Municipal Airport, the airport was later renamed for Ben Elbert Douglas Sr., who was mayor of Charlotte when the airport was first built. In 1982 the airport was renamed again, this time to its current Charlotte Douglas International Airport. In 2019, CLT was the 11th-busiest airport in the United States in terms of passenger traffic, having processed over 50 million passengers, and fifth-busiest in terms of aircraft opera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helicopter
A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes allow helicopters to be used in congested or isolated areas where fixed-wing aircraft and many forms of STOL (Short TakeOff and Landing) or STOVL (Short TakeOff and Vertical Landing) aircraft cannot perform without a runway. In 1942, the Sikorsky R-4 became the first helicopter to reach full-scale production.Munson 1968.Hirschberg, Michael J. and David K. Dailey"Sikorsky". ''US and Russian Helicopter Development in the 20th Century'', American Helicopter Society, International. 7 July 2000. Although most earlier designs used more than one main rotor, the configuration of a single main rotor accompanied by a vertical anti-torque tail rotor (i.e. unicopter, not to be confused with the single-blade monocopter) has become the most comm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air Taxi
An air taxi is a small commercial aircraft that makes short flights on demand. In 2001 air taxi operations were promoted in the United States by a NASA and aerospace industry study on the potential Small Aircraft Transportation System (SATS) and the rise of light-jet aircraft manufacturing. Since 2016, air taxis have reemerged as part of the burgeoning field of eVTOL. Regulation In Canada, air taxi operations are regulated by Transport Canada under Canadian Aviation Regulation 703. The Canadian definition of air taxi includes all commercial single-engined aircraft, multi-engined helicopters flown by visual flight rules by one pilot and all multi-engined, non-turbo-jet aircraft, with a maximum take-off weight or less and nine or fewer passenger seats, that are used to transport people or goods or for sightseeing. In the US, air taxi and air charter operations are governed by 14 CFR Part 135 and 14 CFR part 298 of the Federal Aviation Regulations (FAR). [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
General Aviation
General aviation (GA) is defined by the International Civil Aviation Organization (ICAO) as all civil aviation aircraft operations with the exception of commercial air transport or aerial work, which is defined as specialized aviation services for other purposes. However, for statistical purposes ICAO uses a definition of general aviation which includes aerial work. General aviation thus represents the " private transport" and recreational components of aviation. Definition The International Civil Aviation Organization (ICAO) defines civil aviation aircraft operations in three categories: General Aviation (GA), Aerial Work (AW) and Commercial Air Transport (CAT). Aerial work operations are separated from general aviation by ICAO by this definition. Aerial work is when an aircraft is used for specialized services such as agriculture, construction, photography, surveying, observation and patrol, search and rescue, and aerial advertisement. However, for statistical purpose ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Asphalt
Asphalt, also known as bitumen (, ), is a sticky, black, highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product, and is classed as a pitch. Before the 20th century, the term asphaltum was also used. Full text at Internet Archive (archive.org) The word is derived from the Ancient Greek ἄσφαλτος ''ásphaltos''. The largest natural deposit of asphalt in the world, estimated to contain 10 million tons, is the Pitch Lake located in La Brea in southwest Trinidad ( Antilles island located on the northeastern coast of Venezuela), within the Siparia Regional Corporation. The primary use (70%) of asphalt is in road construction, where it is used as the glue or binder mixed with aggregate particles to create asphalt concrete. Its other main uses are for bituminous waterproofing products, including production of roofing felt and for sealing flat roofs. In material sciences and engineering, the terms "asphal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elevation
The elevation of a geographic location is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface (see Geodetic datum § Vertical datum). The term ''elevation'' is mainly used when referring to points on the Earth's surface, while '' altitude'' or '' geopotential height'' is used for points above the surface, such as an aircraft in flight or a spacecraft in orbit, and '' depth'' is used for points below the surface. Elevation is not to be confused with the distance from the center of the Earth. Due to the equatorial bulge, the summits of Mount Everest and Chimborazo have, respectively, the largest elevation and the largest geocentric distance. Aviation In aviation the term elevation or aerodrome elevation is defined by the ICAO as the highest point of the landing area. It is often measured in feet and can be found in approach charts of the aerodrome. It i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hectare
The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100- metre sides (1 hm2), or 10,000 m2, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is about and one hectare contains about . In 1795, when the metric system was introduced, the ''are'' was defined as 100 square metres, or one square decametre, and the hectare ("hecto-" + "are") was thus 100 ''ares'' or km2 (10,000 square metres). When the metric system was further rationalised in 1960, resulting in the International System of Units (), the ''are'' was not included as a recognised unit. The hectare, however, remains as a non-SI unit accepted for use with the SI and whose use is "expected to continue indefinitely". Though the dekare/decare daa (1,000 m2) and are (100 m2) are not officially "accepted for use", they are still used in some contexts. Description The hectare (), although not a unit of SI, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acre
The acre is a unit of land area used in the imperial and US customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 10 square chains, of a square mile, 4,840 square yards, or 43,560 square feet, and approximately 4,047 m2, or about 40% of a hectare. Based upon the international yard and pound agreement of 1959, an acre may be declared as exactly 4,046.8564224 square metres. The acre is sometimes abbreviated ac but is usually spelled out as the word "acre".National Institute of Standards and Technolog(n.d.) General Tables of Units of Measurement . Traditionally, in the Middle Ages, an acre was conceived of as the area of land that could be ploughed by one man using a team of 8 oxen in one day. The acre is still a statutory measure in the United States. Both the international acre and the US survey acre are in use, but they differ by only four parts per million (see below). The most common use ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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