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29-436: Valdosta Regional Airport covers an area of 760 acres (310  ha ) at an elevation of 203 feet (62 m) above mean sea level . It has three asphalt paved runways : 17/35 measuring 8,002 x 150 ft. (2,439 x 46 m), 4/22 measuring 5,598 x 100 ft. After the completion of runway 17/35 in the summer of 2007, Valdosta now has the third longest runway in the state of Georgia (excluding military bases). The longest runway

58-416: A certain landowner might have been said to own 32,000 acres of land, not 50 square miles of land. The acre is related to the square mile, with 640 acres making up one square mile. One mile is 5280 feet (1760 yards). In western Canada and the western United States, divisions of land area were typically based on the square mile, and fractions thereof. If the square mile is divided into quarters, each quarter has

87-774: A few it continues as a statute measure . These include Antigua and Barbuda, American Samoa , The Bahamas , Belize, the British Virgin Islands , Canada , the Cayman Islands , Dominica , the Falkland Islands , Grenada , Ghana , Guam , the Northern Mariana Islands , Jamaica , Montserrat , Samoa , Saint Lucia , St. Helena , St. Kitts and Nevis , St. Vincent and the Grenadines , Turks and Caicos ,

116-569: A primary unit for trade in the United Kingdom ceased to be permitted from 1 October 1995, due to the 1994 amendment of the Weights and Measures Act , where it was replaced by the hectare  – though its use as a supplementary unit continues to be permitted indefinitely. This was with the exemption of Land registration , which records the sale and possession of land, in 2010 HM Land Registry ended its exemption. The measure

145-474: A side length of 1 ⁄ 2 mile (880 yards) and is 1 ⁄ 4 square mile in area, or 160 acres. These subunits are typically then again divided into quarters, with each side being 1 ⁄ 4 mile long, and being 1 ⁄ 16 of a square mile in area, or 40 acres. In the United States, farmland was typically divided as such, and the phrase "the back 40" refers to the 40-acre parcel to

174-462: A side. As a unit of measure, an acre has no prescribed shape; any area of 43,560 square feet is an acre. In the international yard and pound agreement of 1959, the United States and five countries of the Commonwealth of Nations defined the international yard to be exactly 0.9144 metre. The US authorities decided that, while the refined definition would apply nationally in all other respects,

203-573: A yard are used (see survey foot and survey yard ), so the exact size of an acre depends upon the yard upon which it is based. The US survey acre is about 4,046.872 square metres; its exact value ( ⁠4046 + 13,525,426 / 15,499,969 ⁠  m ) is based on an inch defined by 1 metre = 39.37 inches exactly, as established by the Mendenhall Order of 1893. Surveyors in the United States use both international and survey feet, and consequently, both varieties of acre. Since

232-655: Is at Hartsfield-Jackson Atlanta International Airport and the second longest is at the Savannah/Hilton Head International Airport . For the 12-month period ending May 31, 2007, the Valdosta Regional airport had 73,565 aircraft operations, an average of 201 per day: 55% general aviation , 41% military , 3% air taxi and 1% scheduled commercial . At that time there were 53 aircraft based at this airport: 68% single- engine , 28% multi-engine and 4% jet . Daily air service

261-684: Is derived from the Norman , attested for the first time in a text of Fécamp in 1006 to the meaning of «agrarian measure». Acre dates back to the old Scandinavian akr “cultivated field, ploughed land” which is perpetuated in Icelandic and the Faroese akur “field (wheat)”, Norwegian and Swedish åker , Danish ager “field”, cognate with German Acker , Dutch akker , Latin ager , Sanskrit ajr , and Greek αγρός ( agros ). In English, an obsolete variant spelling

290-415: Is measured in acres. In Sri Lanka , the division of an acre into 160  perches or 4  roods is common. In Pakistan, residential plots are measured in kanal (20 marla = 1  kanal = 605 sq yards) and open/agriculture land measurement is in acres (8 kanal = 1 acre) and muraba (25 acres = 1 muraba = 200 kanal ), jerib , wiswa and gunta . Its use as

319-418: Is not used for land registration . One acre equals 1 ⁄ 640 (0.0015625) square mile, 4,840 square yards, 43,560 square feet, or about 4,047 square metres (0.4047 hectares ) (see below). While all modern variants of the acre contain 4,840 square yards, there are alternative definitions of a yard, so the exact size of an acre depends upon the particular yard on which it is based. Originally, an acre

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348-577: Is provided to Atlanta by Delta Connection , utilizing Canadair Regional Jet 900 aircraft. In July 2018, a new passenger boarding bridge, or jet bridge, was added to the terminal building. It remained unused for over a year, after a piece was installed upside down. The bridge is currently in use as of June 2021. Opened in April 1940, the airport was taken over by the United States Army Air Corps in 1941. During World War II,

377-555: Is sometimes abbreviated ac but is usually spelled out as the word "acre". 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 eight 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 of

406-494: Is still used to communicate with the public and informally (non-contract) by the farming and property industries. 1 international acre is equal to the following metric units: 1 United States survey acre is equal to: 1 acre (both variants) is equal to the following customary units: Perhaps the easiest way for US residents to envision an acre is as a rectangle measuring 88 yards by 55 yards ( 1 ⁄ 10 of 880 yards by 1 ⁄ 16 of 880 yards), about 9 ⁄ 10

435-599: The British imperial and the United States 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, 1 ⁄ 640 of a square mile, 4,840 square yards, or 43,560 square feet, and approximately 4,047 m , 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

464-539: The National Institute of Standards and Technology announced their joint intent to end the "temporary" continuance of the US survey foot, mile, and acre units (as permitted by their 1959 decision, above), with effect from the end of 2022. The Puerto Rican cuerda (0.39 ha; 0.97 acres) is sometimes called the "Spanish acre" in the continental United States. The acre is commonly used in many current and former Commonwealth countries by custom, and in

493-499: The US survey foot (and thus the survey acre) would continue 'until such a time as it becomes desirable and expedient to readjust [it]'. By inference, an "international acre" may be calculated as exactly 4,046.856 422 4 square metres but it does not have a basis in any international agreement. Both the international acre and the US survey acre contain 1 ⁄ 640 of a square mile or 4,840 square yards, but alternative definitions of

522-574: The Balkans, Norway , and Denmark , where it was equal to about two-thirds acre (2,700 m ). Statutory values for the acre were enacted in England, and subsequently the United Kingdom, by acts of: Historically, the size of farms and landed estates in the United Kingdom was usually expressed in acres (or acres, roods , and perches ), even if the number of acres was so large that it might conveniently have been expressed in square miles. For example,

551-756: The Paris arpent used in Quebec before the metric system was adopted is sometimes called "French acre" in English, even though the Paris arpent and the Normandy acre were two very different units of area in ancient France (the Paris arpent became the unit of area of French Canada, whereas the Normandy acre was never used in French Canada). In Germany, the Netherlands, and Eastern Europe

580-621: The United Kingdom, the United States and the US Virgin Islands . In the Republic of Ireland , the hectare is legally used under European units of measurement directives ; however, the acre (the same standard statute as used in the UK, not the old Irish acre , which was of a different size) is still widely used, especially in agriculture. In India, residential plots are measured in square feet or square metre, while agricultural land

609-474: The acre is to measure tracts of land. The acre is used in many established and former Commonwealth of Nations countries by custom. In a few, it continues as a statute measure , although not since 2010 in the UK, and not for decades in Australia , New Zealand , and South Africa . In many places where it is not a statute measure, it is still lawful to "use for trade" if given as supplementary information and

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638-465: The airport was used as an auxiliary airfield for Moody Army Airfield , supporting the Army pilot training school. The airport was returned to civilian control at the end of the war. [REDACTED]  This article incorporates public domain material from the Air Force Historical Research Agency Acre The acre ( / ˈ eɪ k ər / AY -kər ) is a unit of land area used in

667-497: The difference between the US survey acre and international acre (0.016 square metres, 160 square centimetres or 24.8 square inches), is only about a quarter of the size of an A4 sheet or US letter , it is usually not important which one is being discussed. Areas are seldom measured with sufficient accuracy for the different definitions to be detectable. In October 2019, the US National Geodetic Survey and

696-486: The farmers (still in the 20th century) made the difference between the grande acre (68 ares, 66 centiares) and the petite acre (56 to 65 ca). The Normandy acre was usually divided in 4 vergées ( roods ) and 160 square perches , like the English acre. The Normandy acre was equal to 1.6 arpents , the unit of area more commonly used in Northern France outside of Normandy. In Canada,

725-406: The size of a standard American football field . To be more exact, one acre is 90.75% of a 100-yd-long by 53.33-yd-wide American football field (without the end zone ). The full field, including the end zones, covers about 1.32 acres (0.53 ha). For residents of other countries, the acre might be envisioned as rather more than half of a 1.76 acres (0.71 ha) football pitch . The word acre

754-466: The traditional unit of area was Morgen . Like the acre, the morgen was a unit of ploughland, representing a strip that could be ploughed by one man and an ox or horse in a morning. There were many variants of the morgen , differing between the different German territories, ranging from 1 ⁄ 2 to 2 + 1 ⁄ 2 acres (2,000 to 10,100 m ). It was also used in Old Prussia , in

783-540: The traditional unit of area was the arpent carré , a measure based on the Roman system of land measurement. The acre was used only in Normandy (and neighbouring places outside its traditional borders), but its value varied greatly across Normandy, ranging from 3,632 to 9,725 square metres, with 8,172 square metres being the most frequent value. But inside the same pays of Normandy, for instance in pays de Caux ,

812-585: Was aker . According to the Act on the Composition of Yards and Perches , dating from around 1300, an acre is "40 perches [ rods ] in length and four in breadth", meaning 220 yards by 22 yards. As detailed in the diagram, an acre was roughly the amount of land tillable by a yoke of oxen in one day. Before the enactment of the metric system , many countries in Europe used their own official acres. In France,

841-401: Was understood as a strip of land sized at forty perches (660 ft, or 1  furlong ) long and four perches (66 ft) wide; this may have also been understood as an approximation of the amount of land a yoke of oxen could plough in one day (a furlong being "a furrow long"). A square enclosing one acre is approximately 69.57 yards, or 208 feet 9 inches (63.61 metres), on

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