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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External aerodynamics is the study of flow around solid objects of various shapes. Evaluating the lift and drag on an airplane, the shock waves that form in front of the nose of a rocket is an example of external aerodynamics. Internal aerodynamics is the study of flow through passages in solid objects. For instance, internal aerodynamics encompasses the study of the airflow through a jet engine.
The ratio of the problem's characteristic flow speed to the speed of sound comprises a second classification of aerodynamic problems. A problem is called subsonic if all the speeds in the problem are less than the speed of sound, transonic if speeds both below and above the speed of sound are present (normally when the characteristic speed is approximately the speed of sound), supersonic when the characteristic flow speed is greater than the speed of sound, and hypersonic when the flow speed is much greater than the speed of sound. Aerodynamicists disagree over the precise definition of hypersonic flow; minimum Mach numbers for hypersonic flow range from 3 to 12. Most aerodynamicists use numbers between 5 and 8. (Full article...)
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Did you know
...that Communist Romania's Foreign Minister, Grigore Preoteasa, was killed in an aircraft accident after refusing to wear a seat belt during landing?

... that when Lilian Bland built an aircraft in 1910, she used her aunt's ear-trumpet and a whisky bottle to feed petrol to the engine?
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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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By 1919 Earhart had enrolled at Columbia University to study pre-med but quit a year later to be with her parents in California. Later in Long Beach she and her father went to a stunt-flying exhibition and the next day she went on a ten minute flight.
Earhart had her first flying lesson at Kinner Field near Long Beach. Her teacher was Anita Snook, a pioneer female aviator. Six months later Earhart purchased a yellow Kinner Airster biplane which she named "Canary". On October 22, 1922, she flew it to an altitude of 14,000 feet, setting a women's world record.
After Charles Lindbergh's solo flight across the Atlantic in 1927, Amy Guest, a wealthy American living in London, England expressed interest in being the first woman to fly (or be flown) across the Atlantic Ocean, but after deciding the trip was too dangerous to make herself, she offered to sponsor the project, suggesting they find "another girl with the right image." While at work one afternoon in April 1928 Earhart got a phone call from a man who asked her, "Would you like to fly the Atlantic?"
Selected Aircraft

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
- 2011 – United Airlines temporarily grounds all 96 of its Boeing 757 aircraft to check on a recent software upgrade that had not been performed to spec.
- 2011 – Death of Jean Boulet, French test pilot and helicopter record breaker.
- 2010 – Spanish airline Hola Airlines ceases operations.
- 2009 – A Bell 205 Helicopter while flying in dense mist and light rain crashes into Polhuín Hill, Chanco, Cauquenes Province, Chile. The accident occurred when the Bell helicopter owned by Flight Services Helicópteros was ferrying local fire-fighters from a Eucalyptus plantation to a forest fire in the Quirihue Sector of the Eighth Region. The wreckage from the accident was scattered over a large area killing the pilot a former Chilean Airforce officer and 12 fire-fighters from the Celulosa Arauco y Constitucion (CELCO) company.[1]
- 2007 – Air Mauritanie hijacking: A Boeing 737-700 on a flight from Nouakchott to Las Palmas in the Spanish Canary Islands was hijacked by Mohamed Abderraman, who was allegedly seeking political asylum in France.
- 2006 – Origin Pacific Airways, New-Zealand airline, ceased operations.
- 2005 – The first 777-200LR Worldliner, the world’s longest range commercial airplane is rolled out in Everett, Wash. It can carry 301 passengers up to 9,420 nautical miles.
- 1996 – At the Xichang Satellite Launch Center in China, a Long March 3 rocket, carrying an Intelsat 708, crashes into a rural village after liftoff, killing many people.
- 1994 – First flight of the Eurocopter EC135
- 1991 – Iraqi shoulder-launched surface-to-air missiles shoot down two U. S. Air Force A-10 Thunderbolt II aircraft while they are attacking Iraqi Republican Guard forces, and a U. S. Navy A-6E Intruder crashes in Saudi Arabia due to battle damage. A U. S. Air Force F-15 Eagle on an anti-Scud ballistic missile mission destroys a hovering Iraqi helicopter with a laser-guided bomb; the helicopter is the last Iraqi aircraft destroyed in the air during the Gulf War.
- 1986 – First flight of the Beechcraft Starship, a twin-turboprop six- to eight-passenger pressurized business aircraft.
- 1971 – Breda Nardi Costruzioni Aeronautiche is established for licensed production of the Hughes Helicopter series.
- 1970 – Death of Air Chief Marshal Hugh Caswall Tremenheere Dowding, first Baron Dowding GCB, GCVO, CMG, British officer in the Royal Air Force. He was the commander of RAF Fighter Command during the Battle of Britain.
- 1970 – The RAF Air Chief Marshal Sir Hugh Dowding, AOC-in-C Fighter Command during the Battle of Britain, died at the age of 87.
- 1970 – Contaminated fuel causes dual engine failure shortly after takeoff from Las Américas International Airport near Santo Domingo, Dominican Republic in the Dominicana DC-9 air disaster; all 102 on board were killed.
- 1965 – Mrs. Guy Meher sets out from Culver City, California on a journey to become the first woman to cross the United States by helicopter
- 1964 – Birth of Leland Devon Melvin, American engineer and NASA astronaut.
- 1964 – The North Vietnamese Air Force scores its first aerial victory against an American aircraft when a North Vietnamese T-28 Trojan armed trainer shoots down a C-123 Provider transport plane.
- 1961 – Sabena Flight 548, a Boeing 707, crashes on approach in Brussels, Belgium, killing 73, including the entire United States figure skating team: a runaway stabilizer is thought to have been the cause of the first fatal accident involving a 707 in regular passenger service.
- 1959 – First flight of the Aermacchi AL-60
- 1950 – A de Havilland DH 108 “Swallow” (a British tailless, swept wing with a single vertical stabilizer experimental aircraft), VW120, flown by RAE's OC, Squadron Leader J. Stewart R. Muller-Rowland, enters steep dive from 27,000 feet (8,200 m), breaking up around 10,000 feet (3,000 m) with fatal result. The main wreckage comes down at Little Brickhill, near Bletchley. The pilots body was found near Sandy Lane near Woburn Sands also near Bletchley. Accident investigation pointed to a faulty oxygen system that incapacitated the pilot.
- 1949 – First flight of the Breguet Deux-Ponts, a French double-deck transport aircraft.
- 1947 – An Avianca Douglas DC-4 Crashed into Mount Tablazo obscured by fog, 30 km NW of Bogota, killing all 53 on board.
- 1947 – Birth of Viktor Ivanovich Belenko, American aerospace engineer and lecturer of Soviet origin. Belenko was sentenced to death in the Soviet Union for state treason, having successfully defected to the West, flying his Mikoyan-Gurevich MiG-25 “Foxbat” jet fighter to Hakodate, Japan.
- 1946 – First flight of the Douglas DC-6, an American piston-powered airliner and transport aircraft.
- 1945 – In ten weeks of steady bombardment of Iwo Jima, the U. S. Army Air Forces‘ Seventh and Twentieth Air Forces have dropped nearly 6,800 tons (6,168,920 kg) of bombs on the island.
- 1944 – Birth of Aleksandr Aleksandrovich Serebrov, Russian cosmonaut.
- 1944 – Very heavy Allied air raids demolish the Benedictine monastery at Monte Cassino in Italy, but fail to dislodge its German defenders Off Anzio, a German guided bomb destroys a Liberty ship unloading ammunition and a tank landing craft alongside her.
- 1943 – Convoy JW 53 departs Loch Ewe, Scotland, for the Kola Inlet in the Soviet Union. The British aircraft HMS Dasher escorts it, but must turn back after only two days due to damage incurred during bad weather. No aircraft carrier escorts an Arctic convoy again until February 1944.
- 1941 – First flight of the Curtiss XP-46, a US prototype fighter aircraft.
- 1940 – The Air Transport Auxiliary (ATA), British WWII civilian organization that ferried new, repaired and damaged military aircraft between UK factories, assembly plants, transatlantic delivery points, Maintenance Units (MU), scrap yards, and active service squadrons and airfields, is formed.
- 1938 – First flight of the Bloch MB-170, French twin engine 3 seat reconnaissance bomber prototype.
- 1936 – Italian aircraft based at nearby Mek’ele, Ethiopia, maintain at least 12 aircraft over the battlefied all day during the Battle of Amba Aradam against Ethiopian troops. It is a forerunner of the World War II “cab rank” technique of keeping airborne aircraft continually on call over a battlefield to bomb enemy positions when needed.
- 1935 – Birth of Roger Bruce Chaffee, American aeronautical engineer, Lieutenant Commander in the U. S. Navy and NASA astronaut.
- 1926 – The Ford Motor Co. becomes the first U. S. private air carrier to operate a contract airmail (CAM) route. Ford begins operations with CAM-6 between Detroit and Chicago and CAM-7 between Detroit and Cleveland.
- 1923 – King George V granted the prefix “Royal” to the Canadian Air Force.
- 1918 – Death of Kenneth Lloyd Gopsill, British WWI flying ace, Killed in action.
- 1917 – Death of Hans von Keudell, German WWI flying ace, killed in his Albatros D.III by a British Nieuport.
- 1917 – Death of Marcel Hauss, French WWI flying ace, killed in action.
- 1915 – Russian Sikorsky Ilya Muromets bombers attack the Vistula-Dobrzhani area of Poland
- 1910 – King Edward VII grants the title “Royal” to the Aero Club of the United Kingdom.
- 1897 – Birth of Frederick Dudley Travers, British WWI flying ace and pioneering airliner pilot.
- 1895 – Birth of Dennis Edward Francis Waight, British WWI fighter ace.
- 1895 – Birth of George Everard Gibbons, British WWI fighter ace.
- 1890 – Birth of Cosimo Rennella, Italian born Ecuadorian WWI flying ace, and pioneering aviator in South America pre and post WWI war.
- 1890 – Birth of Marie Gaston Fulerand Leon Vitalis, French WWI flying ace.
- 1890 – Birth of Matome Ugaki, admiral in the Imperial Japanese Navy during WWII, most remembered for his role at the Battle of Leyte Gulf. He led the last Kamikaze mission.
- 1858 – Birth of John Joseph Montgomery, American aviation pioneer who made the first manned, controlled, heavier-than-air flights of the US.
References
- ^ http://www.santiagotimes.cl/santiagotimes/index.php/2009021615626/news/political-news/helicopter-crash-kills-pilot-and-12-crewmembers-in-chile.html The Santiago Times - Helicopter crash kills pilot and 12 crew members in Chile
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