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Big Bear City Airport
Big Bear City Airport is a high-elevation public airport, operated by the Big Bear Airport District, located in the San Bernardino Mountains in Big Bear City, California, United States. Facilities and aircraft Big Bear City Airport covers an area of which contains one asphalt paved runway (8/26) measuring 5,850 x 75 ft (1,783 x 23 m). In 2004, the airport had 30,000 aircraft operations, an average of 82 per day: 93% general aviation and 7% military. There are 141 aircraft based at this airport: 94% single engine, 3% multi-engine, 2% ultralight and 1% glider. The Barnstorm Restaurant in the terminal building serves German-American cuisine and is open every day from 7am to 3pm for breakfast and lunch. It is open from 5pm to 9pm Thursday through Sunday for dinner. Specific flight rules Big Bear City Airport has published specific flight rules for aircraft. At the time of writing, the established procedure is for inbound traffic to fly in over the ski slopes at 9,500 fe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Bernardino, California
San Bernardino (; Spanish for "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a population of 222,101 in the 2020 census, making it the 18th-largest city in California. San Bernardino is the economic, cultural, and political hub of the San Bernardino Valley and the Inland Empire. The governments of El Salvador, Guatemala, and Mexico have established the metropolitan area’s only consulates in the downtown area of the city. Additionally, San Bernardino serves as an anchor city to the 3rd largest metropolitan area in California (after Los Angeles and San Francisco) and the 13th largest metropolitan area in the United States; the San Bernardino-Riverside MSA. Furthermore, the city’s University District serves as a college town, as home to California State University, San Bernardino. San Bernardino was named in 1810, when Spanish priest Francisco Du ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ultralight
Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and conventional three-axis control aircraft with ailerons, elevator and rudder, calling the former "microlight" and the latter "ultralight". During the late 1970s and early 1980s, mostly stimulated by the hang gliding movement, many people sought affordable powered flight. As a result, many aviation authorities set up definitions of lightweight, slow-flying aeroplanes that could be subject to minimum regulations. The resulting aeroplanes are commonly called "ultralight aircraft" or "microlights", although the weight and speed limits differ from country to country. In Europe, the sporting (FAI) definition limits the maximum stalling speed to and the maximum take-off weight to , or if a ballistic parachute is installed. The definition means that the aircraft has a slow landing speed and short ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Airports In San Bernardino County, California
An airport is an aerodrome with extended facilities, mostly for commercial air transport. Airports usually consists of a landing area, which comprises an aerially accessible open space including at least one operationally active surface such as a runway for a plane to take off and to land or a helipad, and often includes adjacent utility buildings such as control towers, hangars and terminals, to maintain and monitor aircraft. Larger airports may have airport aprons, taxiway bridges, air traffic control centres, passenger facilities such as restaurants and lounges, and emergency services. In some countries, the US in particular, airports also typically have one or more fixed-base operators, serving general aviation. Operating airports is extremely complicated, with a complex system of aircraft support services, passenger services, and aircraft control services contained within the operation. Thus airports can be major employers, as well as important hubs for tourism ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Los Angeles International Airport
Los Angeles International Airport , commonly referred to as LAX (with each letter pronounced individually), is the primary international airport serving Los Angeles, California and its surrounding metropolitan area. LAX is located in the Westchester neighborhood of Los Angeles, southwest of Downtown Los Angeles, with the commercial and residential areas of Westchester to the north, the city of El Segundo to the south and the city of Inglewood to the east. LAX is the closest airport to the Westside and the South Bay (Los Angeles County), South Bay. The airport is operated by Los Angeles World Airports (LAWA), a branch of the Government of Los Angeles, Los Angeles city government, that also operates Van Nuys Airport for general aviation. The airport covers of land and has four parallel runways. In 2019, LAX handled 88,068,013 passengers, making it the List of busiest airports by passenger traffic, world's third-busiest and the United States' List of the busiest airports ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trans World Express
Trans World Express (TWE) was the fully owned and certificated, regional carrier for Trans World Airlines (TWA) and an airline trademark name for TWA's corporation. * Trans World Express - The formerly independent regional airline known as Ransome Airlines previously owned by Pan Am (PA) before its purchase by the Trans World Corporation for TWA. * TWE - the outsourced carriers flying as Trans World Express: ** Air Midwest ** Alpha Air **Trans States Airlines ** Metro Air Northeast When American Airlines bought TWA, the regional airlines functioning under the Trans World Express "banner" became affiliated with American Airlines under the name and new banner air carrier branding AmericanConnection. Trans World Express service at that time was being provided by Trans States Airlines, Chautauqua Airlines, and Corporate Airlines (later RegionsAir). History Until November 6, 1995, TWE, Inc., a wholly owned subsidiary of TWA, operated flights under the Trans World Express bann ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mountain Wave
In meteorology, lee waves are atmospheric stationary waves. The most common form is mountain waves, which are atmospheric internal gravity waves. These were discovered in 1933 by two German glider pilots, Hans Deutschmann and Wolf Hirth, above the Krkonoše. They are periodic changes of atmospheric pressure, temperature and orthometric height in a current of air caused by vertical displacement, for example orographic lift when the wind blows over a mountain or mountain range. They can also be caused by the surface wind blowing over an escarpment or plateau, or even by upper winds deflected over a thermal updraft or cloud street. The vertical motion forces periodic changes in speed and direction of the air within this air current. They always occur in groups on the lee side of the terrain that triggers them. Sometimes, mountain waves can help to enhance precipitation amounts downwind of mountain ranges. Usually a turbulent vortex, with its axis of rotation parallel to the mount ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Turbulence
In fluid dynamics, turbulence or turbulent flow is fluid motion characterized by chaotic changes in pressure and flow velocity. It is in contrast to a laminar flow, which occurs when a fluid flows in parallel layers, with no disruption between those layers. Turbulence is commonly observed in everyday phenomena such as surf, fast flowing rivers, billowing storm clouds, or smoke from a chimney, and most fluid flows occurring in nature or created in engineering applications are turbulent. Turbulence is caused by excessive kinetic energy in parts of a fluid flow, which overcomes the damping effect of the fluid's viscosity. For this reason turbulence is commonly realized in low viscosity fluids. In general terms, in turbulent flow, unsteady vortices appear of many sizes which interact with each other, consequently drag due to friction effects increases. This increases the energy needed to pump fluid through a pipe. The onset of turbulence can be predicted by the dimensionless Rey ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glider (sailplane)
A glider or sailplane is a type of glider aircraft used in the leisure activity and sport of gliding (also called soaring). This unpowered aircraft can use naturally occurring currents of rising air in the atmosphere to gain altitude. Sailplanes are aerodynamically streamlined and so can fly a significant distance forward for a small decrease in altitude. In North America the term 'sailplane' is also used to describe this type of aircraft. In other parts of the English-speaking world, the word 'glider' is more common. Types Gliders benefit from producing the least drag for any given amount of lift, and this is best achieved with long, thin wings, a slender fuselage and smooth surfaces with an absence of protuberances. Aircraft with these features are able to soar – climb efficiently in rising air produced by thermals or hills. In still air, sailplanes can glide long distances at high speed with a minimum loss of height in between. Sailplanes have rigid wings and eithe ... [...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 purposes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Big Bear Lake, California
Big Bear Lake is a small city in San Bernardino County, California, located in the San Bernardino Mountains along the south shore of Big Bear Lake, and surrounded by the San Bernardino National Forest. The city is located about 25 miles (40 km) northeast of the city of San Bernardino, and immediately west of the unincorporated town of Big Bear City. The population was approximately 5,019 at the 2010 census, down from 5,438 at the 2000 census. However, since it is a popular year-round resort destination, the actual number of people staying in or visiting the greater Big Bear Valley area regularly surges to over 100,000 during many weekends of the year. History Big Bear Lake was inhabited by the indigenous Serrano people for over 2,000 years before it was explored by Benjamin Wilson and his party. Once populated by only the natives and the grizzly bears, from which the area received its name, the population of the Big Bear Valley grew rapidly during the southern California ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Bernardino Mountains
The San Bernardino Mountains are a high and rugged mountain range in Southern California in the United States. Situated north and northeast of San Bernardino and spanning two California counties, the range tops out at at San Gorgonio Mountain – the tallest peak in all of Southern California. The San Bernardinos form a significant region of wilderness and are popular for hiking and skiing. The mountains were formed about eleven million years ago by tectonic activity along the San Andreas Fault, and are still actively rising. Many local rivers originate in the range, which receives significantly more precipitation than the surrounding desert. The range's unique and varying environment allows it to maintain some of the greatest biodiversity in the state. For over 10,000 years, the San Bernardinos and their surroundings have been inhabited by indigenous peoples, who used the mountains as a summer hunting ground. Spanish explorers first encountered the San Bernardinos in the late ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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