Portal:Aviation
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Aviation includes the activities surrounding mechanical flight and the aircraft industry. Aircraft include fixed-wing and rotary-wing types, morphable wings, wing-less lifting bodies, as well as lighter-than-air aircraft such as hot air balloons and airships.
Aviation began in the 18th century with the development of the hot air balloon, an apparatus capable of atmospheric displacement through buoyancy. Clément Ader built the "Ader Éole" in France and made an uncontrolled, powered hop in 1890. This was the first powered aircraft, although it did not achieve controlled flight. Some of the most significant advancements in aviation technology came with the controlled gliding flying of Otto Lilienthal in 1896. A major leap followed with the construction of the Wright Flyer, the first powered airplane by the Wright brothers in the early 1900s.
Since that time, aviation has been technologically revolutionized by the introduction of the jet engine which enabled aviation to become a major form of transport throughout the world. In 2024, there were 9.5 billion passengers worldwide according to the ICAO. As of 2018, estimates suggest that 11% of the world's population traveled by air, with up to 4% taking international flights. (Full article...)
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Wind shear itself is a microscale meteorological phenomenon occurring over a very small distance, but it can be associated with mesoscale or synoptic scale weather features such as squall lines and cold fronts. It is commonly observed near microbursts and downbursts caused by thunderstorms, weather fronts, areas of locally higher low level winds referred to as low level jets, near mountains, radiation inversions that occur due to clear skies and calm winds, buildings, wind turbines, and sailboats. Wind shear has a significant effect during take-off and landing of aircraft due to their effects on steering of the aircraft, and was a significant cause of aircraft accidents involving large loss of life within the United States.
Sound movement through the atmosphere is affected by wind shear, which can bend the wave front, causing sounds to be heard where they normally would not, or vice versa. Strong vertical wind shear within the troposphere also inhibits tropical cyclone development, but helps to organize individual thunderstorms into living longer life cycles which can then produce severe weather. The thermal wind concept explains with how differences in wind speed with height are dependent on horizontal temperature differences, and explains the existence of the jet stream. (Full article...)
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Did you know
...that five USAAF airmen were awarded the Medal of Honor following Operation Tidal Wave, a low-level bombing of Romanian oil refineries on 1 August 1943? ...that passengers aboard JetBlue Airways Flight 292 were able to watch their own malfunctioning aircraft circle Los Angeles International Airport on the satellite television screens at each seat until the flight crew disabled the system in preparation for the aircraft's successful emergency landing? ...that Royal Brunei Catering, a wholly-owned subsidiary of Royal Brunei Airlines, was named as Best Regional Caterer 1995/1996 by Singapore Airlines?
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In the news
- May 29: Austrian Airlines cancels Moscow-bound flight after Russia refuses a reroute outside Belarusian airspace
- August 8: Passenger flight crashes upon landing at Calicut airport in India
- June 4: Power firm helicopter strikes cables, crashes near Fairfield, California
- January 29: Former basketball player Kobe Bryant dies in helicopter crash, aged 41
- January 13: Iran admits downing Ukrainian jet, cites 'human error'
- January 10: Fire erupts in parking structure at Sola Airport, Norway
- October 27: US announces restrictions on flying to Cuba
- October 3: World War II era plane crashes in Connecticut, US, killing at least seven
- September 10: Nevada prop plane crash near Las Vegas leaves two dead, three injured
- August 6: French inventor Franky Zapata successfully crosses English Channel on jet-powered hoverboard
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Before becoming an astronaut, Armstrong was in the United States Navy and saw action in the Korean War. After the war, he served as a test pilot at the National Advisory Committee for Aeronautics (NACA) High-Speed Flight Station, now known as the Dryden Flight Research Center, where he flew over 900 flights in a variety of aircraft. As a research pilot, Armstrong served as project pilot on the F-100 Super Sabre A and C aircraft, F-101 Voodoo, and the Lockheed F-104A Starfighter. He also flew the Bell X-1B, Bell X-5, North American X-15, F-105 Thunderchief, F-106 Delta Dart, B-47 Stratojet, KC-135 Stratotanker and Paresev. He graduated from Purdue University.
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The Boeing 777 is a long-range, wide-body twin-engine jet airliner manufactured by Boeing Commercial Airplanes. It is the world's largest twinjet and is commonly referred to as the "Triple Seven". The aircraft has seating for over 300 passengers and has a range from 5,235 to 9,380 nautical miles (9,695 to 17,372 km) depending on model. Its distinguishing features include the largest diameter turbofan engines of any aircraft, six wheels on each main landing gear, a circular fuselage cross-section, and blade-shaped tail cone. Developed in consultation with eight major airlines, the 777 was designed to replace older wide-body airliners and bridge the capacity difference between the 767 and 747. As Boeing's first fly-by-wire airliner, it has computer mediated controls; it is also the first entirely computer-designed commercial aircraft.
The 777 is produced in two fuselage lengths. The original 777-200 model first entered service in 1995, followed by the extended range 777-200ER in 1997; the stretched 777-300, which is 33.3 ft (10.1 m) longer, began service in 1998. The longer-range 777-300ER and 777-200LR variants entered service in 2004 and 2006, respectively, while a freighter version, the 777F, debuted in 2008. Both longer-range versions and the freighter feature General Electric GE90 engines, as well as extended and raked wingtips. Other models are equipped with either the GE90, Pratt & Whitney PW4000, or Rolls-Royce Trent 800 engines. The 777-200LR ranks as the world's longest-range airliner and holds the record for longest distance flown by an unrefuelled commercial aircraft, with the demonstrated capability to fly more than halfway around the world.
United Airlines first placed the 777 into commercial airline service in 1995. As of August 2023, 1,716 777s have been delivered. The most common variant used worldwide is the 777-300ER, with 832 aircraft delivered, and Emirates operates the largest 777 fleet, with 134 aircraft (as of May 2019). The airliner has had 8 hull-loss accidents, with 541 fatalities. The most deadly incident was Malaysia Airlines Flight 17, in which a 777-200ER carrying 298 people was shot down by a missile over Ukraine on 17 July 2014.
Through the 21st century, the 777 has emerged as one of its manufacturer's best-selling models. Because of rising fuel costs, airlines have acquired the type as a comparatively fuel-efficient alternative to other wide-body jets and have increasingly used the aircraft on long-haul, transoceanic routes. Direct market competitors include the Airbus A330-300, the A340 and A350 XWB.
- Span: 212 ft 7 in (64.8 m)
- Length: 242 ft 4 in (73.9 m)
- Height: 61 ft 5 in (18.7 m)
- Engines: 2 X GE 90-115B
- Cruising speed: 0.84 Mach (555 mph, 892 km/h, 481 kn) at 35,000 ft (11,000 m) cruise altitude
- First flight: 12 June 1994
- Number built: 1,716 as of August 2023 (based on deliveries)
Today in Aviation
- 2008 – An Lockheed Martin F-16C Block 25D Fighting Falcon, 84-1273, flown by pilot 2nd Lt. David J. Mitchell, 26, of Amherst, Ohio, crashes during training mission in a remote area three miles (5 km) S of Alamo Lake, Arizona. His body is located in a ravine near the aircraft wreckage. Mitchell, of the Ohio Air National Guard's 180th Fighter Wing at Toledo Express Airport, Swanton, Ohio, was assigned to the 62d Fighter Squadron at Luke AFB, Arizona since November 2007 as a student pilot. He had 237 total flying hours, ~26 in the F-16.
- 2006 – Helios Airways was renamed to ajet.
- 1995 – An Aeroflot Antonov An-12 crashes near Baku after running out of fuel. Crew negligence is blamed, and it is suggested that the flight crew were drunk.
- 1984 – Marc Garneau named the first Canadian astronaut.
- 1980 – LOT Flight 7, an Ilyushin Il-62, crashes near Warsaw, Poland after the No. 2 engine disintegrates and severs the elevator and rudder control lines; all 87 on board are killed.
- 1979 – A British-built Trident aircraft crashed into a factory in Beijing, China killing an estimated 200 people, including a dozen crew and passengers and scores of victims in the factory.
- 1972 – Sterling Airways Flight 296, a Sud Caravelle, crashes near Kalba, United Arab Emirates due to pilot error; all 112 on board die in the worst air disaster in the history of the United Arab Emirates.
- 1972 – Two USAF McDonnell Douglas F-4 Phantom IIs have mid-air collision over the town of El Buste, Spain, about 30 miles from the joint US-Spanish base at Zaragoza. All four crewmen are KWF. Debris showered down onto the town, damaging communications and starting several roof fires, but no injuries to townspeople. Aircraft were returning to base in strong winds and broken clouds after a routine gunnery mission.
- 1961 – 1961 Yuba City B-52 crash: Failure of a cabin pressurization system forces USAF Boeing B-52F-70-BW Stratofortress, 57-0166, c/n 464155, to fly low, accelerating fuel-burn, bomber has fuel starvation at 10,000 feet over Yuba City, California, crashes, killing aircraft commander. Two nuclear weapons on board tear loose on impact but no explosion or contamination takes place.
- 1960 – Within a year of completion of a major expansion program, Chicago’s O’Hare International airport has become the busiest terminal in the US, handling 10.2 million passengers in 1959, the Federal Aviation Agency (FAA) reports. In the same year it handled 431,600 take-offs and landings.
- 1957 – British European Airways Flight 411, a Vickers Viscount, crashes while on approach to Manchester Airport, killing all 20 on board and 2 on the ground.
- 1957 – Sikorsky HO4S-3, 55892, c/n 55-892, of the Royal Canadian Navy, ditches off the coast of Key West, Florida. Crew rescued by USS Cromwell.
- 1951 – RAF Coastal Command Avro Lancaster GR.3, TX264, 'BS-D', of 120 Squadron RAF Kinloss, off-course in high winds and heavy overcast during a night-time navigation exercise between the Faroes and Rockall, crashes into Beinn Eighe's Triple Buttress at ~0200 hrs., just 15 feet (4.6 m) below the top of the 2,850-foot (870 m) westernmost gully of the buttress known as Coire Mhic Fhercair in the Scottish Highlands, killing all eight crew. Wreck not found until 17 March, crew remains not recovered until August. Due to remoteness of the crashsite the wreckage is still there.
- 1947 – Saudi Arabian Airlines begins regular services.
- 1947 – First flight of the Lockheed L-749 Constellation
- 1946 – The last operation for the Canadian 435 (T) squadron was from Down Ampney England. With 15,681 sorties, 28,792 operational hours and 2734 non-operational hours. They airlifted 27,460 tons of freight, 14,000 passengers and had 851 casualties.
- 1946 – The Royal Canadian Navy commissions its first aircraft carrier, HMCS Warrior (CVL 20), which the United Kingdom has transferred to Canada. She will serve until replaced by HMCS Magnificent (CVL 21) in 1948.
- 1945 – The first prototype of two of the experimental Cornelius XFG-1-CR fuel glider, 44-28059, crashes 3 miles W of Wilmington, Ohio during spin testing out of Clinton County Army Air Field, Ohio, killing test pilot Alfred Reitherman of the Spartan Aircraft Company which constructed the design. The fuel glider concept (to be towed behind bombers) is abandoned at the end of the war.
- 1945 – 13-14 – An Avro Lancaster of No. 617 Squadron RAF drops the first 22,000 lb (9,980 kg) Grand Slam bomb
- 1936 – Imperial Airways opens a weekly service to Hong Kong.
- 1927 – First flight of the Parnall Pike N202
- 1927 – Pan American Airways is formed to carry airmail on the Key West-Havana route.
- 1910 – Louis Paulhan flies 146 km in a straight route from Orleans to Trois.
- 1908 – Henri Farman makes the first flight in his modified Voisin-Farman I-bis, the biplane built by Voisin brothers.
- 1889 – German Ferdinand von Zeppelin patents his “Navigable Balloon”.
- 1885 – Raoul Lufbery, American World War I pilot, was born (d. 1918). Lufbery was a French-American fighter pilot and flying ace in World War I. Because he served in both the French and later the United States Army Air Service in World War I, he is sometimes listed as a French ace and sometimes as an American ace, though all but one of his 17 combat victories came while flying in French units.
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