H. A. Clark Memorial Field
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H. A. Clark Memorial Field
H.A. Clark Memorial Field is a public-use airport located in Williams, Arizona. The Federal Aviation Administration LID used to be P32. Facilities and aircraft H.A. Clark Memorial Field covers an area of at an elevation of above mean sea level. It has one runway: * 18/36 is 6,003 by 100 feet (1,830 x 30 m) with an asphalt surface. For the 12-month period ending May 11, 2022 the airport had 16,110 aircraft operations, an average of 44 per day: 92% general aviation, 7% air taxi, and <1% military. At that time there were 2 aircraft based at this airport: all single-.


Accidents and incidents

* On April 18, 2021, a 1946 , flying from

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Williams, Arizona
Williams ( yuf-x-hav, Wii Gvʼul) is a city in Coconino County, Arizona, United States, located west of Flagstaff. Its population was 3,023 at the 2010 census. It lies on the routes of Historic Route 66 and Interstate 40. It is also the southern terminus of the Grand Canyon Railway, which takes visitors to Grand Canyon Village. There are numerous inns, motels, restaurants and gas stations catering to the large influx of tourists rather than local residents, especially during the summer and holiday seasons. Also known as the "Gateway to the Grand Canyon", Williams was the last city on Historic Route 66 to be bypassed by Interstate 40. The community, bypassed on October 13, 1984, continues to thrive on tourism. Boasting seven fishing lakes in the area, hiking trails up Bill Williams Mountain and into Sycamore Canyon, an alpine ski area and cross country ski trails, four-seasons weather and an abundance of wildlife, Williams offers unlimited recreational opportunities for the out ...
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Asphalt Concrete
Asphalt concrete (commonly called asphalt, blacktop, or pavement in North America, and tarmac, bitumen macadam, or rolled asphalt in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. Asphalt mixtures have been used in pavement construction since the beginning of the twentieth century. It consists of mineral aggregate bound together with asphalt, laid in layers, and compacted. The process was refined and enhanced by Belgian-American inventor Edward De Smedt. The terms ''asphalt'' (or ''asphaltic'') ''concrete'', ''bituminous asphalt concrete'', and ''bituminous mixture'' are typically used only in engineering and construction documents, which define concrete as any composite material composed of mineral aggregate adhered with a binder. The abbreviation, ''AC'', is sometimes used for ''asphalt concrete'' but can also denote ''asphalt content'' or ''asphalt cement'', ...
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Federal Aviation Administration
The Federal Aviation Administration (FAA) is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters. Its powers include air traffic management, certification of personnel and aircraft, setting standards for airports, and protection of U.S. assets during the launch or re-entry of commercial space vehicles. Powers over neighboring international waters were delegated to the FAA by authority of the International Civil Aviation Organization. Created in , the FAA replaced the former Civil Aeronautics Administration (CAA) and later became an agency within the U.S. Department of Transportation. Major functions The FAA's roles include: *Regulating U.S. commercial space transportation *Regulating air navigation facilities' geometric and flight inspection standards *Encouraging and developing civil aeronautics, including new aviation technology *Issuing, suspending, or revoking ...
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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 is n ...
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Mean Sea Level
There are several kinds of mean in mathematics Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics ..., especially in statistics. Each mean serves to summarize a given group of data, often to better understand the overall value (magnitude (mathematics), magnitude and sign (mathematics), sign) of a given data set. For a data set, the ''arithmetic mean'', also known as "arithmetic average", is a measure of central tendency of a finite set of numbers: specifically, the sum of the values divided by the number of values. The arithmetic mean of a set of numbers ''x''1, ''x''2, ..., x''n'' is typically denoted using an overhead bar, \bar. If the data set were based on a series of observations obtained by sampling (statistics), sampling from a statistical population, the arithmetic mean is th ...
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Runway
According to the International Civil Aviation Organization (ICAO), a runway is a "defined rectangular area on a land aerodrome prepared for the landing and takeoff of aircraft". Runways may be a man-made surface (often asphalt concrete, asphalt, concrete, or a mixture of both) or a natural surface (sod, grass, soil, dirt, gravel, ice, sand or road salt, salt). Runways, as well as taxiways and Airport apron, ramps, are sometimes referred to as "tarmac", though very few runways are built using Tarmacadam, tarmac. Takeoff and landing areas defined on the surface of water for seaplanes are generally referred to as waterways. Runway lengths are now International Civil Aviation Organization#Use of the International System of Units, commonly given in meters worldwide, except in North America where feet are commonly used. History In 1916, in a World War I war effort context, the first concrete-paved runway was built in Clermont-Ferrand in France, allowing local company Michelin to ...
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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 purposes ...
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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).
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Aircraft Engine
An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many small UAVs have used electric motors. Manufacturing industry In commercial aviation the major Western manufacturers of turbofan engines are Pratt & Whitney (a subsidiary of Raytheon Technologies), General Electric, Rolls-Royce, and CFM International (a joint venture of Safran Aircraft Engines and General Electric). Russian manufacturers include the United Engine Corporation, Aviadvigatel and Klimov. Aeroengine Corporation of China was formed in 2016 with the merger of several smaller companies. The largest manufacturer of turboprop engines for general aviation is Pratt & Whitney. General Electric announced in 2015 entrance into the market. Development history * 1848: John Stringfellow made a steam engine for a 10-foot wingspan mod ...
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Cessna 140
The Cessna 120, 140, and 140A, are single-engine, two-seat, conventional landing gear (tailwheel), light general aviation aircraft that were first produced in 1946, immediately following the end of World War II. Production ended in 1951, and was succeeded in 1959 by the Cessna 150, a similar two-seat trainer which introduced tricycle gear. Combined production of the 120, 140, and 140A was 7,664 units in five years.Christy, Joe: ''The Complete Guide to the Single-Engine Cessnas - 3rd Edition'', pages 12-17. TAB Books, 1979. Plane and Pilot: ''1978 Aircraft Directory'', page 22. Werner & Werner Corp Publishing, 1978. Development Cessna 140 The Cessna 140 was originally equipped with a Continental C-85-12 or C-85-12F horizontally opposed, air-cooled, four-cylinder piston engine of . The Continental C-90-12F or C-90-14F of was optional, as was the Lycoming O-235-C1 engine, an aftermarket installation authorized in the type certificate. This model had a metal fuselage and f ...
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Vista, California
Vista (; Spanish for "view") is a city in San Diego County, California. Vista is a medium-sized city within the San Diego-Carlsbad, CA Metropolitan Area and has a population of 101,638. Vista's sphere of influence also includes portions of unincorporated San Diego County to the north and east, with a county island in the central west. Located just inland from the Pacific Ocean, it has a Mediterranean climate. A flag is displayed at the Vista Civic Center. The flag design is the seal of Vista on a blue background. Originally the lands of Rancho Buena Vista and Rancho Guajome, Vista was founded on October 9, 1882, with the establishment of a post office. It was incorporated on January 28, 1963, and became a charter city on June 13, 2007. Vista has more than 25 educational institutions for youth, and a business park home to over 800 companies. In a 2015 review, Vista was ranked as the 173rd-best place in California (out of 240) for families, based on factors such as family li ...
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Sedona Airport
Sedona Airport is a non-towered airport located southwest of the central business district of Sedona, Arizona, Sedona, a city in Yavapai County, Arizona, Yavapai County, Arizona, United States. The airport covers and has one runway and one helipad. Although most U.S. airports use the same three-letter location identifier for the Federal Aviation Administration, FAA and International Air Transport Association, IATA, Sedona Airport is assigned SEZ by the FAA and SDX by the IATA (which assigned SEZ to Seychelles International Airport in Mahé, Seychelles). The airport is located on top of a high mesa overlooking a major portion of the city; it has been termed a tabletop runway. It is not uncommon for tourists or locals driving around downtown Sedona to see an approaching airplane fly overhead and then suddenly disappear into the mountains without ever appearing to land. The airport is also located very close to the Red Rocks of Sedona. The airport is well known as being the locat ...
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