The Boeing 737 is a narrow-body aircraft produced by Boeing at its Everett and Renton factories in Washington. Developed to supplement the Boeing 727 on short and thin routes, the twinjet retains the 707 fuselage width and six abreast seating but with two underwing turbofans instead of four. Envisioned in 1964, the initial 737-100 made its first flight in April 1967 and entered service in February 1968 with Lufthansa. The lengthened 737-200 entered service in April 1968, and evolved through four generations, offering several variants for 85 to 215 passengers.
The Boeing 757 is an American narrow-body airliner designed and built by Boeing Commercial Airplanes. The then-named 7N7, a twinjet successor for the trijet 727, received its first orders in August 1978. The prototype completed its maiden flight on February 19, 1982, and it was FAA certified on December 21, 1982. Eastern Air Lines placed the initial 757-200 variant in commercial service on January 1, 1983. A package freighter (PF) variant entered service in September 1987 and a combi model in September 1988. The stretched 757-300 was launched in September 1996 and began service in March 1999. After 1,050 had been built for 54 customers, production ended in October 2004, while Boeing offered the largest 737 NG variants as a successor.
The Boeing 717 is an American five-abreast narrow-body airliner produced by Boeing Commercial Airplanes. The twin-engine airliner was developed for the 100-seat market and originally marketed by McDonnell Douglas in the early 1990s as the MD-95 until the company merged with Boeing in August 1997. It was a shortened derivative of McDonnell Douglas’ successful airliner, the MD-80, and part of the company’s broader DC-9 family. Capable of seating up to 134 passengers, the 717 has a design range of 2,060 nautical miles [nmi]. It is powered by two Rolls-Royce BR715 turbofan engines mounted at the rear of the fuselage.
The McDonnell DouglasMD-90 is an American five-abreast single-aisle airliner developed by McDonnell Douglas from its successful model 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. The MD-90 first flew on February 22, 1993, and the first delivery was in February 1995 to Delta.
The McDonnell Douglas MD-80 is a series of five-abreast single-aisle airliners developed by McDonnell Douglas. It was produced by the developer company until August 1997 and then by Boeing Commercial Airplanes. The MD-80 was the second generation of the DC-9 family, originally designated as the DC-9-80 and later stylized as the DC-9 Super 80 . Stretched, enlarged wing and powered by higher bypass Pratt & Whitney JT8D-200 engines, the aircraft program was launched in October 1977. The MD-80 made its first flight on October 18, 1979, and was certified on August 25, 1980. The first airliner was delivered to launch customer Swissair on September 13, 1980, which introduced it into service on October 10, 1980.
The Pratt & Whitney JT8D is a low-bypass turbofan engine introduced by Pratt & Whitney in February 1963 with the inaugural flight of the Boeing 727. It was a modification of the Pratt & Whitney J52 turbojet engine which powered the US Navy A-6 Intruder and A-4 Skyhawk attack aircraft. Eight models comprise the JT8D standard engine family, covering the thrust range from 12,250 to 17,400 pounds-force, and power the 727, 737-100/200, and DC-9. The updated JT8D-200 family, covering the 18,900 to 21,000 pounds-force, powers the MD-80 and re-engined Super 27 aircraft. The JT8D was built under license in Sweden as the Volvo RM8, a redesigned afterburning derivative for the Saab 37 Viggen fighter. Pratt & Whitney also sells static versions for powerplant and ship propulsion as the FT8.
A hush kit is an aerodynamic device used to help reduce the noise produced by older aircraft jet engines. These devices are typically installed on older turbojet and low-bypass turbofan engines, as they are much louder than later high-bypass turbofan engines.
In aviation and aerospace, the term foreign object damage (FOD) refers to any damage to an aircraft attributed to foreign object debris, which is any particle or substance, alien to an aircraft or system which could potentially cause damage to it.
Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail. The term taildragger is also used, although John Brandon of Recreational Aircraft Australia argues it should apply only to those aircraft with a tailskid rather than a wheel.
Tricycle gear is a type of aircraft undercarriage, or landing gear, arranged in a tricycle fashion. The tricycle arrangement has a single nose wheel in the front, and two or more main wheels slightly aft of the center of gravity. Tricycle gear aircraft are the easiest for takeoff, landing and taxiing, and consequently the configuration is the most widely used on aircraft.
An emergency landing or crash landing is a premature landing made by an aircraft in response to an emergency involving an imminent or ongoing threat to the safety and operation of the aircraft, or involving a sudden need for a passenger or crew on board to terminate the flight. It typically involves a forced diversion to the nearest or most suitable airport or airbase, or an off airport landing or ditching if the flight cannot reach an airfield. Flights under air traffic control will be given priority over all other aircraft operations upon the declaration of the emergency.
The McDonnell Douglas DC-9 is an American five-abreast, single-aisle aircraft designed by the Douglas Aircraft Company. It was initially produced as the Douglas DC-9 prior to August 1967, after which point the company had merged with McDonnell Aircraft to become McDonnell Douglas. Following the introduction of its first jetliner, the high capacity DC-8, in 1959, Douglas was interested in producing an aircraft suited to smaller routes. As early as 1958, design studies were conducted; approval for the DC-9, a smaller all-new jetliner, came on April 8, 1963. The DC-9-10 first flew on February 25, 1965, and gained its type certificate on November 23, to enter service with Delta Air Lines on December 8.
TACA Flight 110 was a scheduled international airline flight operated by TACA International Airlines, traveling from San Salvador to New Orleans, with a stopover in Belize City. On May 24, 1988, the flight encountered severe thunderstorm activity on its final approach to New Orleans International Airport. As a result, the brand new Boeing 737-300 suffered flameout in both engines while descending through a severe thunderstorm, but the pilots made a successful emergency landing on a grass levee adjacent to NASA's Michoud Assembly Facility, with no one aboard sustaining more than a few minor injuries, and with only minor hail damage to the intact aircraft. Following an on-site engine replacement, the jetliner took off from Saturn Boulevard, a road which had previously been an aircraft runway at Michoud. The aircraft was subsequently repaired and returned to service until it finally retired in 2016.
During the 1990s, a series of issues affecting the rudder of Boeing 737 passenger aircraft resulted in multiple incidents. In two separate accidents, pilots lost control of their aircraft due to a sudden and unexpected rudder movement, and the resulting crashes killed everyone on board, 157 people in total. Similar rudder issues led to a temporary loss of control on at least one other Boeing 737 flight before the cause of the problem was ultimately identified.
On 10 November 2008, Ryanair Flight 4102 from Frankfurt–Hahn Airport, in Hahn, Rhineland-Palatinate to Ciampino–G. B. Pastine International Airport, in Rome, Italy, suffered multiple bird strikes while landing. Of the 172 people on board, two crew and eight passengers received hospital treatment for minor injuries. The 8-month-old Boeing 737-8AS jet used for the flight received a massive amount of damage, which led to it being written off. This accident represents the fourth hull loss of a Boeing 737-800.
First Air Flight 6560 was a domestic charter flight that crashed on landing at Resolute, Nunavut, Canada, on 20 August 2011. Of the 15 people on board, 12 were killed and the remaining three were severely injured. The Boeing 737-200 of First Air was operating a service from Yellowknife, Northwest Territories, when it struck a hill in cloud near Resolute Bay Airport.
The Boeing 737 MAX is the fourth generation of the Boeing 737, a narrow-body airliner manufactured by Boeing Commercial Airplanes, a division of American company Boeing. It succeeds the Boeing 737 Next Generation (NG) and competes with the Airbus A320neo family. The new series was announced on August 30, 2011. It took its maiden flight on January 29, 2016 and was certified by the United States Federal Aviation Administration (FAA) in March 2017. The first delivery was a MAX 8 in May 2017 to Malindo Air, with which it commenced service on May 22, 2017.
Southwest Airlines Flight 345 was a scheduled flight from Nashville International Airport, Tennessee, to New York City's LaGuardia Airport. On July 22, 2013, the Boeing 737 operating the route suffered a front landing gear collapse while landing at LaGuardia Airport, injuring 9 people on board. The aircraft, which was worth an estimated $15.5 million at the time, was written off and scrapped as a result of the accident.
Transair Flight 810 was a Boeing 737-200 converted freighter aircraft, owned and operated by Rhoades Aviation under the Transair trade name, on a short cargo flight en route from Honolulu International Airport to Kahului Airport on the neighboring Hawaiian island of Maui. Immediately after an early morning takeoff on July 2, 2021, one of its two Pratt & Whitney JT8D turbofan engines faltered, and the first officer, who was flying the aircraft, reduced power to both. The two pilots—who were the only aircraft occupants—began executing the Engine Failure or Shutdown checklist, but became preoccupied with talking to air traffic control (ATC) and performing other flying tasks, and never reached the section of the checklist where the failing engine was to be positively identified and shut down. The captain assumed control but misidentified the failing engine, increased power to that engine, and did not increase power to the other, properly functioning engine. Convinced that neither engine was working properly and unable to maintain altitude with one engine faltering and the other idling, the pilots ditched off the coast of Oahu about 11 minutes into the flight.
Canadian North 737-200 engine gravel kit vortex dissipator
Canadian North 737-200 engine gravel kit vortex dissipator in profile view
Gravel kit on a landing Air North 737-200
Gravel kit on a First Air 737-200
