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American Eagle Flight 5452
American Eagle Flight 5452, officially operating as Executive Air Charter Flight 5452, was a commuter flight between Luis Muñoz Marín International Airport in San Juan, Puerto Rico and Eugenio María de Hostos Airport in Mayagüez. The flight was operated by Executive Air Charter, doing business as American Eagle, and was operated by a CASA C-212 Aviocar aircraft. Visual meteorological conditions were present as the plane made its final approach to runway 9 at Mayagüez on May 8, 1987. The plane crashed 600 feet short of the runway, destroying the aircraft and killing both pilots, but leaving the four passengers with only minor injuries. Accident Flight 5452 took off five minutes late, at 6:20 am, from San Juan with four passengers aboard. Half an hour later, as the flight was landing, witnesses reported hearing the engine make irregular sounds, and then observed the plane bank to the left and impact the ground. It was initially reported that the pilot lost control while land ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prinair
Prinair is a Puerto Rican charter operator airline. It was Puerto Rico's domestic and international flag carrier airline for almost two decades from the mid-1960s to the mid-1980s. Despite previously ceasing scheduled commercial operations twice, it restarted charter flights in 2019. History Service began in 1966 under the name Aerolíneas de Ponce (Ponce Airlines) with Aero Commander aircraft. The initial service flew from Mercedita Airport in Ponce to Luis Muñoz Marín International Airport (then known as ''Isla Verde International Airport'') in San Juan. The company's name was changed to Prinair the following year (Puerto Rico International Airlines). The airline later used de Havilland Heron piston-engined aircraft for its services. Prinair introduced their own version of the Heron by converting the aircraft to use 300 hp Continental IO-520 engines in place of the original 250 hp Gipsy Queen 30-2 engines. The Prinair fleet which grew to over 20 aircraft was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Propeller (aeronautics)
An aircraft propeller, also called an airscrew,Beaumont, R.A.; ''Aeronautical Engineering'', Odhams, 1942, Chapter 13, "Airscrews". converts rotary motion from an engine or other power source into a swirling slipstream which pushes the propeller forwards or backwards. It comprises a rotating power-driven hub, to which are attached several radial airfoil-section blades such that the whole assembly rotates about a longitudinal axis. The blade pitch may be fixed, manually variable to a few set positions, or of the automatically variable "constant-speed" type. The propeller attaches to the power source's driveshaft either directly or through reduction gearing. Propellers can be made from wood, metal or composite materials. Propellers are most suitable for use at subsonic airspeeds generally below about , although supersonic speeds were achieved in the McDonnell XF-88B experimental propeller-equipped aircraft. Supersonic tip-speeds are used in some aircraft like the Tupolev Tu-95, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Control Tower
Air traffic control (ATC) is a service provided by ground-based air traffic controllers who direct aircraft on the ground and through a given section of controlled airspace, and can provide advisory services to aircraft in non-controlled airspace. The primary purpose of ATC worldwide is to prevent collisions, organize and expedite the flow of air traffic, and provide information and other support for pilots. Air traffic controllers monitor the location of aircraft in their assigned airspace by radar and communicate with the pilots by radio. To prevent collisions, ATC enforces Separation (air traffic control), traffic separation rules, which ensure each aircraft maintains a minimum amount of empty space around it at all times. In many countries, ATC provides services to all private, military, and commercial aircraft operating within its airspace. Depending on the type of flight and the class of airspace, ATC may issue ''instructions'' that pilots are required to obey, or ''advis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Commuter Aircraft
A regional airliner or a feederliner is a small airliner that is designed to fly up to 100 passengers on short-haul flights, usually feeding larger carriers' airline hubs from small markets. This class of airliners is typically flown by the regional airlines that are either contracted by or subsidiaries of the larger airlines. Regional airliners are used for short trips between smaller towns or from a larger city to a smaller city. Feederliner, commuter, and local service are all alternative terms for the same class of flight operations. History To keep short routes economical, airlines preferred using second hand aircraft than costlier new aircraft. Older aircraft were put into short haul service as they were replaced by new longer-range designs. Post-war era Propeller aircraft of larger airlines were transferred to smaller airlines: even the De Havilland Dragon Rapide biplane, or the Douglas DC-3s, in large surplus after the war, which the Aircraft manufacturers wanted to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cockpit Voice Recorder
A flight recorder is an electronic recording device placed in an aircraft for the purpose of facilitating the investigation of aviation accidents and incidents. The device may often be referred to as a "black box", an outdated name which has become a misnomer—they are now required to be painted bright orange, to aid in their recovery after accidents. There are two types of flight recording devices: the flight data recorder (FDR) preserves the recent history of the flight through the recording of dozens of parameters collected several times per second; the cockpit voice recorder (CVR) preserves the recent history of the sounds in the cockpit, including the conversation of the pilots. The two devices may be combined into a single unit. Together, the FDR and CVR objectively document the aircraft's flight history, which may assist in any later investigation. The two flight recorders are required by international regulation, overseen by the International Civil Aviation Organizat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flight Data Recorder
A flight recorder is an electronic recording device placed in an aircraft for the purpose of facilitating the investigation of aviation accidents and incidents. The device may often be referred to as a "black box", an outdated name which has become a misnomer—they are now required to be painted bright orange, to aid in their recovery after accidents. There are two types of flight recording devices: the flight data recorder (FDR) preserves the recent history of the flight through the recording of dozens of parameters collected several times per second; the cockpit voice recorder (CVR) preserves the recent history of the sounds in the cockpit, including the conversation of the pilots. The two devices may be combined into a single unit. Together, the FDR and CVR objectively document the aircraft's flight history, which may assist in any later investigation. The two flight recorders are required by international regulation, overseen by the International Civil Aviation Organizat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Transportation Safety Board
The National Transportation Safety Board (NTSB) is an independent U.S. government investigative agency responsible for civil transportation accident investigation. In this role, the NTSB investigates and reports on aviation accidents and incidents, certain types of highway crashes, ship and marine accidents, pipeline incidents, bridge failures, and railroad accidents. The NTSB is also in charge of investigating cases of hazardous materials releases that occur during transportation. The agency is based in Washington, D.C. It has four regional offices, located in Anchorage, Alaska; Denver, Colorado; Ashburn, Virginia; and Seattle, Washington. The agency also operates a national training center at its Ashburn facility. History The origin of the NTSB was in the Air Commerce Act of 1926, which assigned the United States Department of Commerce responsibility for investigating domestic aviation accidents. Before the NTSB, the Federal Aviation Administration's (FAA; at the t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Northwest Airlink Flight 2268
Northwest Airlink Flight 2268 was a commuter flight between Cleveland-Hopkins International Airport in Cleveland, Ohio, and Detroit Metropolitan Wayne County Airport in Romulus, Michigan, just outside Detroit. The flight was operated by Fischer Brothers Aviation, doing business as Northwest Airlink, and was operated by a CASA C-212 aircraft. On March 4, 1987, the plane crashed while attempting to land. Nine of the 19 passengers and crew on board were killed in the crash. Flight Northwest Airlink Flight 2268 was crewed by Captain David W. Sherer (45) and First Officer Shawn D. Manningham (25). At 2:30 p.m. after being cleared for a visual approach to Runway 21R and while just 60–70 feet above the ground, Flight 2268 banked left in a descent and then rolled right. The twin-engine turboprop aircraft struck the ramp area inside and to the left of the runway threshold, flipping over, and then striking a catering truck before bursting into flames. Nine of the 19 people on board ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type Rated
A type rating is an authorization entered on or associated with a pilot licence and forming part thereof, stating pilot's privileges or limitations pertaining to certain aircraft type. Such qualification requires additional training beyond the scope of the initial license and aircraft class training. International Regulation The International Civil Aviation Organization (ICAO) specifies the international personnel licensing requirements, as documented in Annex 1 to the Convention on International Civil Aviation. Which aircraft require a type rating is decided by each country's civil aviation authority, in accordance with specifications outlined by ICAO. ICAO stipulates that: * Type Ratings should be established for aircraft with minimum crew of at least two pilots or when considered necessary by the Licensing Authority * The applicant for a Type Rating must demonstrate the degree of skill required - including all normal flight procedures, emergency procedures, instrument pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DHC-6 Twin Otter
The de Havilland Canada DHC-6 Twin Otter is a Canadian STOL (Short Takeoff and Landing) utility aircraft developed by de Havilland Canada, which produced the aircraft from 1965 to 1988; Viking Air purchased the type certificate, then restarted production in 2008 before re-adopting the DHC name in 2022. The aircraft's fixed tricycle undercarriage, STOL capabilities, twin turboprop engines and high rate of Climb (aeronautics), climb have made it a successful commuter airliner, typically seating 18-20 passengers, as well as a cargo and medical evacuation aircraft. In addition, the Twin Otter has been popular with commercial skydiving operations, and is used by the United States Army Parachute Team and the United States Air Force's 98th Flying Training Squadron. Design and development Development of the aircraft began in 1964, with the first flight on May 20, 1965. A twin-engine replacement for the single-engine de Havilland Canada DHC-3 Otter, DHC-3 Otter retaining DHC's STOL ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DeHavilland
DeHavilland Information Services Ltd is a British media company that provides political monitoring services for public affairs professionals. The company was founded in 1998 by Conservative MP Adam Afriyie. History DeHavilland Global Knowledge Distribution PLC was set up in 1998 by Adam Afriyie and William Bracken. The business was initially funded using profits from Mr Afriyie's previous successful business venture, IT solutions firm Connect Support Services Ltd. Based in a small office in Victoria, London, the service was set up to offer a tailored stream of information and analysis covering the latest developments in UK politics, designed to assist public affairs professionals in achieving their campaigning objectives. Later moving to Canary Wharf in December 1998, the company initially provided both a news service entitled DirectNews and a core monitoring product entitled Public Affairs Briefing. Mr Afriyie sold his 72 per cent stake in DeHavilland to publishing, i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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