McDonnell Douglas MD-90The McDonnell Douglas (later Boeing) MD-90 is a retired American five-abreast single-aisle airliner developed by McDonnell Douglas from the earlier MD-80. The airliner was produced by the developer company until 1997 and then by Boeing Commercial Airplanes. It was a stretched derivative of the MD-80 and thus part of the DC-9 family. After the more fuel-efficient IAE V2500 high-bypass turbofan was selected, Delta Air Lines became the launch customer on November 14, 1989.
Airbus A321The Airbus A321 is a member of the Airbus A320 family of short to medium range, narrow-body, commercial passenger twin enginejet airliners; it carries 185 to 239 passengers. It has a stretched fuselage which was the first derivative of the baseline A320 and entered service in 1994, about six years after the original A320.
Airbus A320 familySingle-aisle airliner familyThe Airbus A320 family is a series of narrow-body airliners developed and produced by Airbus, and is the best-selling airliner ever built. The A320 aircraft programme was launched in March 1984, first flew on 22 February 1987, and was introduced in April 1988 by Air France.
Embraer C-390 MillenniumBrazilian military transport aircraft/tankerThe Embraer C-390 Millennium is a medium-size, twin-engine, jet-powered military transport aircraft designed and produced by Brazilian aerospace manufacturerEmbraer. It is the heaviest aircraft the company has built to date. Work on the project began at Embraer during the mid-2000s, with early efforts centred around a conceptual derivative of the E190jetliner of a similar size to the Lockheed C-130 Hercules.
Airbus A319The Airbus A319 is a member of the Airbus A320 family of short- to medium-range, narrow-body, commercial passenger twin-engine jet airliners manufactured by Airbus. The A319 carries 124 to 156 passengers and has a maximum range of 3,700 nmi (6,900 km; 4,300 mi). Final assembly of the aircraft took place in Hamburg, Germany and Tianjin, China.International Aero EnginesIAE International Aero Engines AG is a Zürich-registered joint venture aeroengine manufacturing company. IAE was founded during 1983 specifically to develop an aircraft engine to address the 150-seat single aisle aircraft market, the V2500 turbofan.
Type certificateA type certificate signifies the airworthiness of a particular design of aircraft, according to the airworthiness standards applicable by law in the country in which the certificate is issued. The particular design is called an aircraft type, and it is defined by its type design. Certification confirms that all aircraft of a new type intended for serial production will comply with applicable airworthiness standards established by the national air law.
Pound (force)The pound of force or pound-force (symbol: lbf, sometimes lbf,) is a unit of force used in some systems of measurement, including English Engineering units and the foot–pound–second system. Pound-force should not be confused with pound-mass (lb), often simply called "pound", which is a unit of mass; nor should these be confused with foot-pound (ft⋅lbf), a unit of energy, or pound-foot (lbf⋅ft), a unit of torque.
United States dollarCurrency of the United StatesThe United States dollar (symbol: $; currency code: USD) is the official currency of the United States (U.S.) and several other countries. The U.S. Coinage Act of 1792 established the dollar as the base unit, with each dollar divided into 100 cents (symbol: ¢). U.S. banknotes are issued in the form of Federal Reserve Notes, popularly called greenbacks due to their predominantly green color.
TurbofanA turbofan or fanjet is a type of airbreathing jet engine that is widely used in aircraft propulsion. The word "turbofan" is a combination of references to the preceding generation engine technology of the turbojet and the additional fan stage. It consists of a gas turbine engine which adds kinetic energy to the air passing through it by burning fuel, and a ducted fan powered by energy from the gas turbine to force air rearwards.
MaintenanceThe technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure and supporting utilities in industrial, business, and residential installations. Terms such as "predictive" or "planned" maintenance describe various cost-effective practices aimed at keeping equipment operational; these activities occur either before or after a potential failure.*As an Amazon Associate I earn from qualifying purchases.