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1950 Douglas C-54D Disappearance
__NOTOC__ On 26 January 1950, the Douglas C-54 Skymaster serial number ''42-72469'' disappeared en route from Alaska to Montana, with 44 people aboard. The aircraft made its last radio contact two hours into its eight-hour flight. Despite one of the largest rescue efforts carried out by a joint effort between Canadian and US military forces, no trace of the aircraft has ever been found. Flight The aircraft was part of the First Strategic Support Squadron, Strategic Air Command, out of Biggs AFB, Texas. In addition to its eight-man crew, it was carrying 36 passengers, including two civilians: a woman and her infant son. An earlier attempt to depart had been made, but due to trouble with one of its four engines, it was delayed several hours. The flight was from Anchorage, Alaska to Great Falls, Montana. Two hours after its eventual departure, the flight marked its first scheduled check-in over Snag, Yukon, where the pilot reported that the plane was on schedule with no issues to r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Missing Aircraft
This list of missing aircraft includes aircraft that have disappeared and whose locations are unknown. According to ''Annex 13'' of the International Civil Aviation Organization, an aircraft is considered to be missing "when the official search has been terminated and the wreckage has not been located". However, there still remains a "grey area" on how much wreckage needs to be found for a plane to be declared "recovered". This list does not include every aviator, or even every air passenger that has ever gone missing as these are separate categories. In the tables below, each missing aircraft is defined (in the Aircraft column) using one or more identifying features. If the aircraft was known by a custom or personalized name (e.g. ''Pathfinder''), that name is presented first (in italics) followed by the aircraft type (in parentheses). The make of aircraft, although not necessarily a unique identifier, is also provided where appropriate. Aircraft registrations began to be used ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aishihik, Yukon
Aishihik (Also known as Äshèyi) is a village of the Southern Tutchone people at the north end of Äshèyi Män (Aishihik Lake) in Yukon. It continues to be the home of the Äshèyi people. Champagne and Aishihik First Nations continue to use it for traditional purposes A military airfield was established here during World War II as part of the Northwest Staging Route. It was operated until 1968, and the withdrawal of military service led to the community's depopulation, except for a small number of Champagne and Aishihik First Nations people. It is from the Alaska Highway on the Aishihik Road, most of which is no longer maintained. Climate Aishihik has a subarctic climate (Köppen climate classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ... Dfc). Refere ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Canadian Air Force
The Royal Canadian Air Force (RCAF; french: Aviation royale canadienne, ARC) is the air and space force of Canada. Its role is to "provide the Canadian Forces with relevant, responsive and effective airpower". The RCAF is one of three environmental commands within the unified Canadian Armed Forces. As of 2020, the Royal Canadian Air Force consists of 12,074 Regular Force and 1,969 Primary Reserve personnel, supported by 1,518 civilians, and operates 258 manned aircraft and nine unmanned aerial vehicles. Lieutenant-General Eric Kenny is the current commander of the Royal Canadian Air Force and chief of the Air Force Staff. The Royal Canadian Air Force is responsible for all aircraft operations of the Canadian Forces, enforcing the security of Canada's airspace and providing aircraft to support the missions of the Royal Canadian Navy and the Canadian Army. The RCAF is a partner with the United States Air Force in protecting continental airspace under the North American Aerospac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aishihik Lake
Aishihik Lake is a lake in southwestern Yukon, Canada. Yukon Electric Corporation operates a 37 megawatt hydroelectric dam at the south end of the lake, where it drains southward into the Aishihik River. A US Air Force base was established near the north part of the lake during World War II. The base used two Buda diesel engines to supply power and pump water. Fauna Northern Mountain caribou The Aishihik and Kluane caribou herds migrate in the area surrounding Kluane and Aishihik Lakes. They are a northern mountain caribou, a distinct ecotype of the woodland caribou. In 2009 there were 181 caribou in the Kluane herd (also known as the Burwash herd) and 2,044 caribou in the Aishihik herd. The Kluane herd was declining while the Aishihik herd was increasing. Wood Bison A 2020 Government of Yukon report stated that an estimated 50% of the territory's wood bison population lived in a core range centered on this lake and stretching east the Klondike Highway The Klondi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eielson Air Force Base
Eielson Air Force Base is a United States Air Force (USAF) base located approximately 26 miles (42 km) southeast of Fairbanks, Alaska and just southeast of Moose Creek, Alaska. It was established in 1943 as Mile 26 Satellite Field and redesignated Eielson Air Force Base on 13 January 1948. It has been a Superfund site since 1989. Eielson AFB was named in honor of polar pilot Carl Ben Eielson. Its host unit is the 354th Fighter Wing (354 FW) assigned to the Eleventh Air Force of the Pacific Air Forces. The 354 FW's primary mission is to support RED FLAG-Alaska, a series of Pacific Air Forces commander–directed field training exercises for U.S. Forces, joint offensive counter-air, interdiction, close-air support, and large force employment training in a simulated combat environment. These exercises are conducted on the Joint Pacific Alaskan Range Complex (JPARC) with air operations flown out of Eielson and its sister installation, Elmendorf Air Force Base. Eielson project ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Whitehorse, Yukon
Whitehorse () is the capital of Yukon, and the largest city in Northern Canada. It was incorporated in 1950 and is located at kilometre 1426 (Historic Mile 918) on the Alaska Highway in southern Yukon. Whitehorse's downtown and Riverdale areas occupy both shores of the Yukon River, which rises in British Columbia and meets the Bering Sea in Alaska. The city was named after the White Horse Rapids for their resemblance to the mane of a white horse, near Miles Canyon, before the river was dammed. Because of the city's location in the Whitehorse valley and relative proximity to the Pacific Ocean, the climate is milder than comparable northern communities such as Yellowknife. At this latitude, winter days are short and summer days have up to about 19 hours of daylight. Whitehorse, as reported by ''Guinness World Records'', is the city with the least air pollution in the world. As of the 2021 Canadian census, the population was 28,201 within city boundaries and 31,913 in the cens ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
57th Fighter Wing
The 57th Wing (57 WG) is an operational unit of the United States Air Force (USAF) Warfare Center, stationed at Nellis Air Force Base, Nevada. The 57 WG's mission is to provide well trained and well equipped combat forces ready to deploy into a combat arena to conduct integrated combat operations. Mission The 57 WG is home to advanced air combat training. The wing provides training for composite strike forces which include every type of aircraft in the USAF inventory. Training is conducted in conjunction with air and ground units of the U.S. Army, U.S. Navy, U.S. Marine Corps and air forces from US allied nations. The crews do not come to learn how to fly, but instead learn how to be combat aviators. Units The wing was reorganized in 2005 to reflect its current structure. * 57th Operations Group (57 OG) (tail code: WA he code for the 57th Wing : The 57th OG consists of Aggressor squadrons that replicate adversary threat tactics while training combat air forces air ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Smoke Signal
The smoke signal is one of the oldest forms of long-distance communication. It is a form of visual communication used over a long distance. In general smoke signals are used to transmit news, signal danger, or to gather people to a common area. History and usage In ancient China, soldiers along the Great Wall sent smoke signals on its beacon towers to warn one another of enemy invasion. The colour of the smoke communicated the size of the invading party. By placing the beacon towers at regular intervals, and situating a soldier in each tower, messages could be transmitted over the entire 7,300 kilometres of the Wall. Smoke signals also warned the inner castles of the invasion, allowing them to coordinate a defense and garrison supporting troops. In ancient Sri Lanka, soldiers stationed on the mountain peaks would alert each other of impending enemy attack (from English people, Dutch people or Portuguese people) by signaling from peak to peak. In this way, they were able to tra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
False Positive
A false positive is an error in binary classification in which a test result incorrectly indicates the presence of a condition (such as a disease when the disease is not present), while a false negative is the opposite error, where the test result incorrectly indicates the absence of a condition when it is actually present. These are the two kinds of errors in a binary test, in contrast to the two kinds of correct result (a and a ). They are also known in medicine as a false positive (or false negative) diagnosis, and in statistical classification as a false positive (or false negative) error. In statistical hypothesis testing the analogous concepts are known as type I and type II errors, where a positive result corresponds to rejecting the null hypothesis, and a negative result corresponds to not rejecting the null hypothesis. The terms are often used interchangeably, but there are differences in detail and interpretation due to the differences between medical testing and statist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Empire Club Of Canada
The Empire Club of Canada is a Canadian speakers' forum. Established in 1903, the Empire Club has provided a forum for many thousands of different speakers. Through a variety of presentation formats, the Empire Club invites local, national and international leaders and other change-agents to address the topical, relevant issues of the day. The club is based in Toronto, Ontario, with luncheon-style meetings held at several different downtown hotel and meeting spaces. It pivoted to virtual meetings due to health and safety concerns when the Corona Virus broke out in early 2020. History The Empire Club of Canada was established in 1903 as a result of a political discussion which created considerable unrest in Canada. Growing dissent against the British was influencing Toronto's political and social landscape. In an attempt to refrain from a severing of ties with the British Empire, a group of men under the leadership of Brig.-Gen. James Mason discussed the creation of an organizati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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