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Boeing 727
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{{Short description|Narrow body jet airliner}}{{Use mdy dates|date=October 2012}}{|







factoids








factoids
| introduced = February 1, 1964, with Eastern Air LinesRetired from airline passenger use in January 2019}}| produced = 1962–1984| retired = | primary user = Líneas Aéreas Suramericanas | more users = Total Linhas AereasURL=HTTP://WWW.BOEING.COM/COMMERCIAL/727FAMILY/ QUOTE=BY JANUARY 1983, ORDERS REACHED 1,831. ONE BOEING-OWNED TEST AIRPLANE BROUGHT THE GRAND TOTAL TO 1,832. ARCHIVE-URL=HTTPS://WEB.ARCHIVE.ORG/WEB/20120503130042/HTTP://WWW.BOEING.COM/COMMERCIAL/727FAMILY/, May 3, 2012, | variants with their own articles = }}The Boeing 727 is an American narrow-body airliner that was developed and produced by Boeing Commercial Airplanes.After the heavier 707 quad-jet was introduced in 1958, Boeing addressed the demand for shorter flight lengths from smaller airports.On December 5, 1960, the 727 was launched with 40 orders each from United Airlines and Eastern Air Lines.The first 727-100 rolled out on November 27, 1962, first flew on February 9, 1963, and entered service with Eastern on February 1, 1964.The only trijet aircraft to be produced by Boeing, the 727 is powered by Pratt & Whitney JT8D low-bypass turbofans below a T-tail, one on each side of the rear fuselage and a center one fed through an S-duct.It shares its six-abreast upper fuselage cross-section and cockpit with the 707 that was also later used on the 737.The {{Convert|133|ft|m|-long|adj=mid}} 727-100 typically carries 106 passengers in two classes over {{Convert|2,250|nmi|abbr=~|lk=in}}, or 129 in a single class.Launched in 1965, the stretched 727-200 flew in July 1967 and entered service with Northeast Airlines that December.The {{cvt|20|ft}} longer variant typically carries 134 passengers in two classes over {{cvt|2,550|nmi}}, or 155 in a single class.A freighter and a “Quick Change” convertible version were also offered.The 727 was used for domestic flights and on international flights within its range.Airport noise regulations have led to hush kit installations. Its last commercial passenger flight was in January 2019.It was succeeded by the 757 and larger variants of the 737.There have been 353 incidents involving the Boeing 727.WEB, Aviation Safety Network > Boeing 727,aviation-safety.net/database/types/Boeing-727/index, 2024-03-05, aviation-safety.net, Production ended in September 1984 with 1,832 having been built.

Development

(File:Black and white image of Boeing 727 production.jpg|thumb|Production of the 727)(File:Boeing 727 donation 22 (19744962922).jpg|thumb|Three-crew cockpit)The Boeing 727 design was a compromise among United Airlines, American Airlines, and Eastern Air Lines; each of the three had developed requirements for a jet airliner to serve smaller cities with shorter runways and fewer passengers.EPISODE, Commercial Jets, Modern Marvels, January 16, 2001, A149, approx. 15, United Airlines requested a four-engine aircraft for its flights to high-altitude airports, especially its hub at Stapleton International Airport in Denver, Colorado. American Airlines, which was operating the four-engined Boeing 707 and Boeing 720, requested a twin-engined aircraft for efficiency. Eastern Airlines wanted a third engine for its overwater flights to the Caribbean, since at that time twin-engine commercial flights were limited by regulations to routes with 60-minute maximum flying time to an airport (see ETOPS). Eventually, the three airlines agreed on a trijet design for the new aircraft.(File:Boeing 727 cockpit Aviation museum (29097199906).jpg|thumb|Boeing 727 cockpit)(File:B727 Flight Engineer’s Station (7296917410).jpg|thumb|Flight engineer’s station on a Boeing 727-200F)In 1959, Lord Douglas, chairman of British European Airways (BEA), suggested that Boeing and de Havilland Aircraft Company (later Hawker Siddeley) work together on their trijet designs, the 727 and D.H.121 Trident, respectively.{{harvnb|Connors|2010|p=355}} The two designs had a similar layout, the 727 being slightly larger. At that time Boeing intended to use three Allison AR963 turbofan engines, license-built versions of the Rolls-Royce RB163 Spey used by the Trident.MAGAZINE,www.flightglobal.com/pdfarchive/view/1960/1960%20-%202990.html, Analysing the 727, December 16, 1960, Flight, 78, 2071, Flightglobal Archive, April 1, 2015, MAGAZINE, Alastair Pugh,www.flightglobal.com/pdfarchive/view/1960/1960%20-%203096.html, Boeing’s Trimotor, December 30, 1960, Flight, 78, 2073, Flightglobal Archive, April 1, 2015, Boeing and de Havilland each sent engineers to the other company’s locations to evaluate each other’s designs, but Boeing eventually decided against the joint venture.{{harvnb|Connors|2010|p=357}} De Havilland had wanted Boeing to license-build the D.H.121, while Boeing felt that the aircraft needed to be designed for the American market, with six-abreast seating and the ability to use runways as short as {{convert|4500|ft|m}}.WEB,www.flightglobal.com/pdfarchive/view/1960/1960%20-%202303.html, Talking to Mr Beall: Boeing’s Senior Vice-President in London, October 4, 1960, Flight, Reed Business Information, March 4, 2011, In 1960, Pratt & Whitney was looking for a customer for its new JT8D turbofan design study, based on its J52 (JT8A) turbojet,{{harvnb|Connors|2010|pp=348–349}} while United and Eastern were interested in a Pratt & Whitney alternative to the RB163 Spey.{{harvnb|Connors|2010|p=350}} Once Pratt & Whitney agreed to go ahead with development of the JT8D, Eddie Rickenbacker, chairman of the board of Eastern, told Boeing that the airline preferred the JT8D for its 727s. Boeing had not offered the JT8D, as it was about {{cvt|1000|lb|kg}} heavier than the RB163, though slightly more powerful; the RB163 was also further along in development than the JT8D. Boeing reluctantly agreed to offer the JT8D as an option on the 727, and it later became the sole powerplant.{{harvnb|Connors|2010|p=352}}With high-lift devicesEden, Paul. (Ed). Civil Aircraft Today. 2008: Amber Books, pp. 72–3. on its wing, the 727 could use shorter runways than most earlier jets (e.g. the 4800-ft runway at Key West International Airport).Later 727 models were stretched to carry more passengersEden 2008, pp. 74–5. and replaced earlier jet airliners such as the Boeing 707 and Douglas DC-8, as well as aging propeller airliners such as the DC-4, DC-6, DC-7, and the Lockheed Constellations on short- and medium-haul routes.For over a decade, more 727s were built per year than any other jet airliner; in 1984, production ended with 1,832 built and 1,831 delivered, the highest total for any jet airliner until the 737 surpassed it in the early 1990s.Norris and Wagner. Modern Boeing Jetliners, pp. 12–3. Motorbooks International, 1999.

Design

(File:S-duct-Boeing-727.jpg|thumb|Diagram of the 727 with engine 2 S-duct in red)(File:TUR_(Safair)_B727-230_ZS-NOV_(Ex_TC-TCB)_(12567563003)_(cropped).jpg|thumb|A TUR 727 tail and rear airstairs)The airliner’s middle engine (engine 2) at the very rear of the fuselage gets air from an inlet ahead of the vertical fin through an S-shaped duct.“home.swipnet.se/~w-65189/transport_aircraft/b727/boeing_727_series.htm" title="web.archive.org/web/20070203135411home.swipnet.se/~w-65189/transport_aircraft/b727/boeing_727_series.htm">Boeing 727 series. Aircraft & Powerplant Corner.” This S-duct proved to be troublesome in that flow distortion in the duct induced a surge in the centerline engine on the take-off of the first flight of the 727-100.Case Study in Aircraft Design; the Boeing 727, American Institute of Aeronautics and Astronautics Professional Study Series, September 1978. This was fixed by the addition of several large vortex generators in the inside of the first bend of the duct.File:Boeing 727-228-Adv, Iran Aseman Airlines AN0923420.jpg|thumb|Six-abreast seating in an Iran Aseman AirlinesIran Aseman AirlinesThe 727 was designed for smaller airports, so independence from ground facilities was an important requirement. This led to one of the 727’s most distinctive features: the built-in airstair that opens from the rear underbelly of the fuselage, which initially could be opened in flight. Hijacker D. B. Cooper used this hatch when he parachuted from the back of a 727, as it was flying over the Pacific Northwest. Boeing subsequently modified the design with the Cooper vane so that the airstair could not be lowered in flight.BOOK, Beyond Fear: Thinking Sensibly about Security in an Uncertain World, Bruce Schneier, 2003,archive.org/details/beyondfearthinki00schn_0/page/82, 0-387-02620-7, 82, Springer, registration, The design included an auxiliary power unit (APU), which allowed electrical and air-conditioning systems to run independently of a ground-based power supply, and without having to start one of the main engines. An unusual design feature is that the APU is mounted in a hole in the keel beam web, in the main landing gear bay. The 727 is equipped with a retractable tailskid that is designed to protect the aircraft in the event of an over-rotation on takeoff. The 727’s fuselage has an outer diameter of {{convert|148|in|m}}. This allows six-abreast seating (three per side) and a single aisle when {{convert|18|in|cm|adj=on}} wide coach-class seats are installed. An unusual feature of the fuselage is the {{convert|10|in|cm|adj=on}} difference between the lower lobe forward and aft of the wing as the higher fuselage height of the center section was simply retained towards the rear.Nosewheel brakes were available as an option to reduce braking distance on landing, which provided reduction in braking distances of up to {{cvt|150|m}}.Lufthansa. Operating Manual Boeing 727, pp. 1.4.32-1, 4.3.4-2.The 727 proved to be such a reliable and versatile airliner that it came to form the core of many startup airlines’ fleets. The 727 was successful with airlines worldwide partly because it could use smaller runways while still flying medium-range routes. This allowed airlines to carry passengers from cities with large populations, but smaller airports to worldwide tourist destinations. One of the features that gave the 727 its ability to land on shorter runways was its clean wing design. With no wing-mounted engines, leading-edge devices (Krueger, or hinged, flaps on the inner wing and extendable leading edge slats out to the wingtip) and trailing-edge lift enhancement equipment (triple-slotted,WEB,www.boeing.com/commercial/727family/index.html, Boeing 727, Boeing, March 16, 2011, dead,www.boeing.com/commercial/727family/index.html," title="web.archive.org/web/20110524144925www.boeing.com/commercial/727family/index.html,">web.archive.org/web/20110524144925www.boeing.com/commercial/727family/index.html, May 24, 2011, Fowler flaps) could be used on the entire wing. Together, these high-lift devices produced a maximum wing lift coefficient of 3.0 (based on the flap-retracted wing area). The 727 was stable at very low speeds compared to other early jets, but some domestic carriers learned after review of various accidents that the 40-degree flap setting could result in a higher-than-desired sink rate or a stall on final approach.NEWS, March 25, 2019, Five decades ago, Boeing’s new 727 jet also had a terrible start, en, Reuters,www.reuters.com/article/ethiopia-airplane-history-idINKCN1R62IA, June 7, 2022, These carriers’ Pilots’ Operation Handbooks disallowed using more than 30° of flaps on the 727, even going so far as installing plates on the flap lever slot to prevent selection of more than 30° of flaps.

Noise

File:Boeing 737-2B7-Adv, Dasab Airlines AN0992824.jpg|thumb|Stage 3 hush kithush kitThe 727 is one of the noisiest commercial jetliners, categorized as Stage 2 by the U.S. Noise Control Act of 1972, which mandated the gradual introduction of quieter Stage 3 aircraft. The 727’s JT8D jet engines use older low-bypass turbofan technology, whereas Stage 3 aircraft use the more efficient and quieter high-bypass turbofan design. When the Stage 3 requirement was being proposed, Boeing engineers analyzed the possibility of incorporating quieter engines on the 727. They determined that the JT8D-200 engine could be used on the two side-mounted pylons. The JT8D-200 engines are much quieter than the original JT8D-1 through -17 variant engines that power the 727, as well as more fuel efficient due to the higher bypass ratio, but the structural changes to fit the larger-diameter engine ({{convert|49.2|in|cm}} fan diameter in the JT8D-200 compared to {{convert|39.9|in|cm}} in the JT8D-1 through -17) into the fuselage at the number two engine location were prohibitive.{{citation needed|date=March 2020}}Current regulations require that a 727, or any other Stage 2 noise jetliner in commercial service must be retrofitted with a hush kit to reduce engine noise to Stage 3 levels to continue to fly in U.S. airspace. These regulations have been in effect since December 31, 1999. One such hush kit is offered by FedEx,WEB,www.fedex.com/us/hushkit/helpdecide/?link=4#Installation, Boeing 727 - Stage 3 Kits, fedex.com, April 1, 2015, and has been purchased by over 60 customers.WEB,www.fedex.com/us/hushkit/helpdecide/customers.html?link=4, Case Study - Plane Quiet, fedex.com, April 1, 2015, Aftermarket winglet kits, originally developed by Valsan Partners and later marketed by Quiet Wing Corp. have been installed on many 727s to reduce noise at lower speeds, as well as to reduce fuel consumption.MAGAZINE,www.flightglobal.com/FlightPDFArchive/2001/2001%20-%202631.PDF,web.archive.org/web/20160422175538if_/https://www.flightglobal.com/FlightPDFArchive/2001/2001%20-%202631.PDF, dead, April 22, 2016, Hushkit Survey, Flight International, July 13, 2001, 159, 4789, 41, In addition, Raisbeck Engineering developed packages to enable 727s to meet the Stage 3 noise requirements. These packages managed to get light- and medium-weight 727s to meet Stage 3 with simple changes to the flap and slat schedules. For heavier-weight 727s, exhaust mixers must be added to meet Stage 3. American Airlines ordered and took delivery of 52 Raisbeck 727 Stage 3 systems. Other customers included TWA, Pan Am, Air Algérie, TAME, and many smaller airlines.WEB, James Raisbeck,www.airportjournals.com/Display.cfm?varID=0803018, Breathing New Technology into Aviation,airportjournals.com/Display.cfm?varID=0803018," title="web.archive.org/web/20120627051623airportjournals.com/Display.cfm?varID=0803018,">web.archive.org/web/20120627051623airportjournals.com/Display.cfm?varID=0803018, June 27, 2012, July 25, 2011, WEB,www.raisbeck.com/ca/stage3/index.html, Boeing 727 Stage 3 Noise Reduction Kits,www.raisbeck.com/ca/stage3/index.html," title="web.archive.org/web/20110603041711www.raisbeck.com/ca/stage3/index.html,">web.archive.org/web/20110603041711www.raisbeck.com/ca/stage3/index.html, June 3, 2011, July 25, 2011, Since September 1, 2010, 727 jetliners (including those with a hush kit) are banned from some Australian airports because they are too loud.NEWS,www.theaustralian.com.au/business/aviation/noisy-boeing-727s-will-be-banned/story-e6frg95x-1225847176174, Noisy Boeing 727s will be banned, March 30, 2010, March 30, 2010, News Corporation (1980–2013), News Corporation, Steve, Creedy,

Operational history

File:Boeing 727-25C, FedEx JP110728.jpg|thumb|A FedEx ExpressFedEx ExpressFile:Boeing 727-247-Adv, Delta Air Lines AN0200778.jpg|thumb|Delta Air LinesDelta Air LinesFile:11gg - Northwest Airlines Boeing 727-251; N203US@FLL;30.01.1998 (8064695962).jpg|thumb|Northwest AirlinesNorthwest AirlinesFile:Boeing 727-228-Adv, Iran Aseman Airlines AN1003609.jpg|thumb|Iran Aseman AirlinesIran Aseman AirlinesIn addition to domestic flights of medium range, the 727 was popular with international passenger airlines. The range of flights it could cover (and the additional safety added by the third engine) meant that the 727 proved efficient for short- to medium-range international flights in areas around the world.The 727 also proved popular with cargo and charter airlines. FedEx Express introduced 727s in 1978.WEB, End of an Era as FedEx Express Retires Last B727,news.van.fedex.com/end-era-fedex-express-retires-last-b727, FedEx.com, September 15, 2014, September 15, 2014,news.van.fedex.com/end-era-fedex-express-retires-last-b727," title="web.archive.org/web/20140915141844news.van.fedex.com/end-era-fedex-express-retires-last-b727,">web.archive.org/web/20140915141844news.van.fedex.com/end-era-fedex-express-retires-last-b727, dead, The 727s were the backbone of its fleet until the 2000s; FedEx began replacing them with Boeing 757s in 2007. Many cargo airlines worldwide employ the 727 as a workhorse, since, as it is being phased out of U.S. domestic service because of noise regulations, it becomes available to overseas users in areas where such noise regulations have not yet been instituted. Charter airlines Sun Country, Champion Air, and Ryan International Airlines all started with 727 aircraft.{{citation needed|date=April 2021}}The 727 had some military uses, as well. Since the aft stair could be opened in flight, the Central Intelligence Agency used them to drop agents and supplies behind enemy lines in Vietnam.{{sfn|Himmelsbach|Worcester|1986|p=43}} In early 1988, The Iraqi Air Force modified a Boeing 727 by fitting it with Thomson-CSF TMV-018 Syrel pods for ESM and Raphael-TH pods with side looking radar. Known as ‘Faw-727’, it was reportedly used as an ELINT platform in the invasion of Kuwait in 1990 (during which it was briefly locked on by a Kuwaiti Mirage F1 on August 2) and the subsequent Iraqi monitoring of Coalition forces during Desert Shield.BOOK, Cooper, Tom, In the claws of the Tomcat - US Navy F-14 Tomcats in Air Combat against Iran and Iraq, 1987-2000, Helion & Company Limited, 2021, 978-1-915070-23-4, 28, BOOK, Cooper, Tom, Desert Storm - Volume 1: The Iraqi Invasion of Kuwait and Operation Desert Shield 1990-1991, 2019, 978-1-915070-05-0, 24,26,49,54,107, The 727 has proven to be popular where the airline serves airports with gravel, or otherwise lightly improved, runways. The Canadian airline First Air, for example, previously used a 727-100C to serve the communities of Resolute Bay and Arctic Bay in Nunavut, whose Resolute Bay Airport and former Nanisivik Airport both have gravel runways. The high-mounted engines greatly reduce the risk of foreign object damage.{{citation needed|date=April 2021}}A military version, the Boeing C-22, was operated as a medium-range transport aircraft by the Air National Guard and National Guard Bureau to airlift personnel. A total of three C-22Bs were in use, all assigned to the 201st Airlift Squadron, District of Columbia Air National Guard.BOOK, Frawley, Gerard, The International Directory of Military Aircraft, 2002–2003, 2002, Aerospace Publications Pty Ltd, Fyshwick, ACT, Australia, 1-875671-55-2, At the start of the 21st century, the 727 remained in service with a few large airlines. Faced with higher fuel costs, lower passenger volumes due to the post-9/11 economic climate, increasing restrictions on airport noise, and the extra expenses of maintaining older planes and paying flight engineers’ salaries, most major airlines phased out their 727s; they were replaced by twin-engined aircraft, which are quieter and more fuel-efficient. Modern airliners also have a smaller flight deck crew of two pilots, while the 727 required two pilots and a flight engineer. Delta Air Lines, the last major U.S. carrier to do so, retired its last 727 from scheduled service in April 2003. Northwest Airlines retired its last 727 from charter service in June 2003. Many airlines replaced their 727s with either the 737-800 or the Airbus A320; both are close in size to the 727-200. {{As of|2013|7}}, a total of 109 Boeing 727s were in commercial service with 34 airlines;MAGAZINE, World Airliner Census, Flight International, 184, 5403, August 13, 2013, 40–58 [49], three years later, the total had fallen to 64 airframes in service with 26 airlines.BOOK,www.flightglobal.com/asset/18365, World Airliner Census, FlightGlobal, 2017, 34, PDF, January 1, 2018, On March 2, 2016, the first 727 produced (N7001U), which first flew on February 9, 1963, made a flight to a museum after extensive restoration. The 727-100 had carried about three million passengers during its years of service. Originally a prototype, it was later sold to United Airlines, which donated it to the Museum of Flight in Seattle in 1991. The jet was restored over 25 years by the museum and was ferried from Paine Field in Everett, Washington to Boeing Field in Seattle, where it was put on permanent display at the Aviation Pavilion.NEWS, Brandon, Farris, Royal Scott, King, Iconic first Boeing 727 makes final flight,www.cnn.com/2016/03/02/aviation/boeing-727-final-flight/,www.cnn.com/2016/03/02/aviation/boeing-727-final-flight/," title="web.archive.org/web/20160304100050www.cnn.com/2016/03/02/aviation/boeing-727-final-flight/,">web.archive.org/web/20160304100050www.cnn.com/2016/03/02/aviation/boeing-727-final-flight/, March 4, 2016, CNN, March 4, 2016, WEB, Siebenmark, Jerry, Final Flight of First 727 Planned for Wednesday,www.aviationpros.com/news/12177335/final-flight-of-first-727-planned-for-wednesday, March 4, 2016, March 2, 2016, dead,www.aviationpros.com/news/12177335/final-flight-of-first-727-planned-for-wednesday," title="web.archive.org/web/20160306232953www.aviationpros.com/news/12177335/final-flight-of-first-727-planned-for-wednesday,">web.archive.org/web/20160306232953www.aviationpros.com/news/12177335/final-flight-of-first-727-planned-for-wednesday, March 6, 2016, WEB, Siebenmark, Jerry, Wichitans made parts for, flew on Boeing 727,www.kansas.com/news/business/aviation/article63568197.html, March 4, 2016, March 3, 2016, The Federal Aviation Administration granted the museum a special permit for the 15-minute flight. The museum’s previous 727-223, tail number N874AA, was donated to the National Airline History Museum in Kansas City and was planned to be flown to its new home once FAA ferry approval was granted.WEB, Boeing 727-223,www.airlinehistory.org/the-aircraft/boeing-727-223/, National Airline History Museum, March 14, 2016, dead,www.airlinehistory.org/the-aircraft/boeing-727-223/," title="web.archive.org/web/20160314234607www.airlinehistory.org/the-aircraft/boeing-727-223/,">web.archive.org/web/20160314234607www.airlinehistory.org/the-aircraft/boeing-727-223/, March 14, 2016, mdy-all, After a series of financial problems with the restoration, N874AA was seized by Boeing Field for nonpayment of storage fees in 2021 and subsequently broken up and scrapped.WEB, November 18, 2021, ‘Absolutely tragic.’ The grisly demolition at Seattle’s Boeing Field of an old 727,www.seattletimes.com/seattle-news/absolutely-tragic-the-grisly-demolition-at-seattles-boeing-field-of-an-old-727/, January 20, 2022, The Seattle Times, en-US, Iran Aseman Airlines, the last passenger airline operator, made the worldwide last scheduled 727 passenger flight on January 13, 2019 between Zahedan and Tehran.WEB, Falcus, Matt, Iran Aseman Retires Last Scheduled Boeing 727, Airport Spotting Blog, January 14, 2019,www.airportspotting.com/iran-aseman-retires-scheduled-boeing-727/, January 15, 2019, NEWS, Guy, Jack, Boeing’s famous trijet 727 makes last commercial flight,www.cnn.com/travel/article/boeing-727-last-flight-scli-intl/index.html, CNN, January 22, 2019, en,

Variants

Data from: Boeing Aircraft since 1916’’BOOK, Bowers, Peter M., Boeing Aircraft since 1916, Naval Institute Press, USA, June 1989, 481–492, 978-3-8228-9663-1, The two series of 727 are the initial -100 (originally only two figures as in -30), which was launched in 1960 and entered service in February 1964, and the -200 series, which was launched in 1965 and entered service in December 1967.

727-100

{{anchor|727-100}}File:Lufthansa Boeing 727-30C Fitzgerald.jpg|thumb|The initial 727-100 (from 133|ft}} long.(File:Boeing C-22A (727-30), USA - Air Force AN1131866.jpg|thumb|The sole C-22A.)The first 727-100 (N7001U) flew on February 9, 1963. FAA type approval was awarded on December 24 of that year, with initial delivery to United Airlines on October 29, 1963, to allow pilot training to commence. The first {{not a typo|727 passenger}} service was flown by Eastern Air Lines on February 1, 1964, between Miami, Washington, DC, and Philadelphia.A total of 571 Boeing 727-00/100 series aircraft were delivered (407 -100s, 53 -100Cs, and 111 -100QCs), the last in October 1972. One 727-100 was retained by Boeing, bringing total production to 572.Airclaims Jet Programs 1995The -100 designation was assigned retroactively to distinguish the original short-body version. Actual aircraft followed a “727-00” pattern. Aircraft were delivered for United Airlines as 727-22, for American Airlines as 727-23, and so on (not -122, -123, etc.) and these designations were retained even after the advent of the 727-200.
727-100C
Convertible passenger cargo version, additional freight door and strengthened floor and floor beams, three alternative fits:
  • 94 mixed-class passengers
  • 52 mixed-class passengers and four cargo pallets ({{convert|22,700|lb|kg|disp=x|; }})
  • Eight cargo pallets ({{convert|38,000|lb|kg|disp=x|; }})


727-100QC
QC stands for Quick Change. This is similar to the convertible version with a roller-bearing floor for palletised galley and seating and/or cargo to allow much faster changeover time (30 minutes).File:Boeing 727-22(QF), United Parcel Service (UPS) JP5926976.jpg|thumb|A 727-100QF of UPS AirlinesUPS Airlines
727-100QF
QF stands for Quiet Freighter. A cargo conversion for United Parcel Service, these were re-engined with Stage 3-compliant Rolls-Royce Tay turbofans.
Boeing C-22A
A single 727-30 acquired from the Federal Aviation Administration, this aircraft was originally delivered to Lufthansa. It served mostly with United States Southern Command flying from Panama City / Howard Air Force Base.
Boeing C-22B
Four 727-35 aircraft were acquired from National Airlines by the United States Air Force for transporting Air National Guard and National Guard personnel.

727-200

{{anchor|727-200}}File:Boeing 727-228-Adv, Ariana Afghan Airlines AN1450645.jpg|thumb|The 727-200 (here from 20|ft}} longer.A stretched version of the 727-100, the -200 is {{convert|20|ft|m}} longer ({{convert|153|ft|2|in|m|disp=x|;}}) than the -100 ({{convert|133|ft|2|in|m|disp=x|;}}). A 10-ft (3-m) fuselage section (“plug“) was added in front of the wings and another 10-ft fuselage section was added behind them. The wing span and height remain the same on both the -100 and -200 ({{convert|108|and|34|ft|m}}, respectively). The original 727-200 had the same maximum gross weight as the 727-100; however, as the aircraft evolved, a series of higher gross weights and more powerful engines were introduced along with other improvements, and from line number 881, 727-200s are dubbed -200 Advanced. The aircraft gross weight eventually increased from {{convert|169000|to|209500|lb|kg}} for the latest versions. The dorsal intake of the number-two engine was also redesigned to be round in shape, rather than oval as it was on the -100 series.The first 727-200 flew on July 27, 1967, and received FAA certification on November 30, 1967. The first delivery was made on December 14, 1967, to Northeast Airlines. A total of 310 727-200s were delivered before the -200 was replaced on the production line by the 727-200 Advanced in 1972.
727-200C
A convertible passenger cargo version; only one was built.
727-200 Advanced
The Advanced version of the 727-200 was introduced in 1970.{{harvnb|Gilchrist|1996|p=62}} It featured powerful engines, fuel capacity and MTOW ({{cvt|185800|-|210000|lb|t|disp=or}}) increased the range from {{cvt|1930|to|2550|nmi}} or by {{#expr:(2550/1930-1)*100round0}}%. After the first delivery in mid-1972, Boeing eventually raised production to more than a hundred per year to meet demand by the late 1970s. Of the passenger model of the 727-200 Advanced, a total of 935 were delivered, after which it had to give way to a new generation of aircraft.(File:Boeing 727 donation 26 (19129624324).jpg|thumb|Freighter cargo hold)
727-200F Advanced
A freighter version of the 727-200 Advanced became available in 1981, designated the Series 200F Advanced. Powered by Pratt & Whitney JT8D-17A engines, it featured a strengthened fuselage structure, an {{cvt|11|ft|2|in|m}} by {{cvt|7|ft|2|in|m}} forward main deck freight door, and a windowless cabin. Fifteen of these aircraft were built, all for Federal Express. This was the last production variant of the 727 to be developed by Boeing; the last 727 aircraft completed by Boeing was a 727-200F Advanced.File:HK-4637 (7198934904).jpg|thumb|The “Super 27” re-engine has larger JT8DJT8D
Super 27
Certificated by Valsan Partners in December 1988 and marketed by Goodrich from 1997, the side engines are replaced by more efficient, quieter JT8D-217C/219, and the center engine gains a hush kit for $8.6 million (but loses the thrust reverser) (2000): fuel consumption is reduced by 10-12%, range and restricted airfield performance are improved.MAGAZINE,www.flightglobal.com/FlightPDFArchive/2001/2001%20-%202632.PDF,web.archive.org/web/20190415100943if_/https://www.flightglobal.com/FlightPDFArchive/2001/2001%20-%202632.PDF, dead, April 15, 2019, Hushkit Survey, Flight International, July 13, 2001, 159, 4789, 42,
Boeing C-22C
A single 727-212 aircraft was operated by the USAF.

Proposed

727-300
A proposed 169-seat version was developed in consultation with United Airlines in 1972, which initially expressed an interest in ordering 50 aircraft. Also, interest was shown from Indian Airlines for a one-class version with 180 seats. The fuselage would have been lengthened by {{convert|18|ft|m}} and the undercarriage strengthened. The three engines would have been replaced by two more powerful JT8D-217 engines under the T tail.JOURNAL, 1999, American Aviation Historical Society Journal, American Aviation Historical Society, 121, BOOK, Boeing Jetliners, Mark Wagner, 67, Barnes & Noble, 1998, 1610607066, Many cockpit components would have been common with 737-200 and improved engine management systems would have eliminated the need for the flight engineer. United did not proceed with its order and Indian Airlines instead ordered the larger Airbus A300, so the project was cancelled in 1976.NEWS, Asia Defense Journal, 22, 1977, Vikrant Group,
727-400
A concept with a {{convert|155|ft|m|adj=on}} fuselage and two high-bypass turbofan engines under the wings (but retaining the T tail) was proposed in 1977. More compact systems, a redesign of the internal space, and removing the need for the flight engineer would have increased the capacity to 189 seats in a two-class configuration. After only a few months, the concept was developed into the Boeing 7N7 design, which eventually became the Boeing 757.JOURNAL, Aviation Week & Space Technology, 107, Shortlines, 4, 1977,

Other variants

Faw-727This Boeing 727 was reportedly modified by Iraq in early 1988 to serve as an ELINT platform. It was used during the invasion of Kuwait and Operation Desert Shield.

Operators

Commercial operators

File:B727-200f.jpg|thumb|AerosucreAerosucre{{As of|2019|7}}, 35 Boeing 727s were in commercial cargo or otherwise non-passenger service, some of which were operated by the following companies:{{cn|date=April 2024}}{{update inline|date=April 2023}}

Government, military, and other operators

File:XT-BFA B727 Burkina Faso (6328516101).jpg|thumb|A 727-200 of the Burkina Faso Air Force departing Rotterdam The Hague AirportRotterdam The Hague AirportIn addition, the 727 has seen sporadic government use, having flown for the Belgian, Yugoslav, Mexican, New Zealand, and Panama air forces, along with a small group of government agencies that have used it.{hide}columns-list|colwidth=25em|
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Private aircraft

A number of 727s have been outfitted for use as private aircraft, especially since the early 1990s, when major airlines began to eliminate older 727-100 models from their fleet.NEWS, November 7, 1981, Rebuilding Second-Hand 727’s, The New York Times,www.nytimes.com/1981/11/07/business/rebuilding-second-hand-727-s.html, January 16, 2017, 0362-4331, Donald Trump traveled in a former American Airlines 727-100 with a dining room, a bedroom, and shower facilities known as Trump Force One before upgrading to a larger Boeing 757 in 2009;WEB,money.cnn.com/galleries/2009/news/0911/gallery.Donald_Trump_jet/, Inside Donald Trump’s private jet - The exterior (1) - CNNMoney.com, money.cnn.com, January 16, 2017, Peter NygÃ¥rd acquired a 727-100 for private use in 2005.WEB,corporate.nygard.com/scf/News.aspx?id=302, NYGARD Corporate site, corporate.nygard.com, January 16, 2017, December 30, 2017,corporate.nygard.com/scf/News.aspx?id=302," title="web.archive.org/web/20171230082209corporate.nygard.com/scf/News.aspx?id=302,">web.archive.org/web/20171230082209corporate.nygard.com/scf/News.aspx?id=302, dead, American financier Jeffrey Epstein owned a private 727 nicknamed the “Lolita Express”.NEWS, Ostler, Catherine,www.newsweek.com/2015/02/06/sex-offender-who-mixes-princes-and-premiers-302877.html, July 7, 2019, Newsweek, Jeffrey Epstein: The Sex Offender Who Mixes With Princes and Premiers, The Gettys bought N311AG from Revlon in 1986, and Gordon Getty acquired the aircraft in 2001.WEB,www.jetphotos.com/info/727-20512, N311AG | Boeing 727-17 | 20512,

Accidents and incidents

{{as of|2024|March}}, a total of 353 incidents involving 727s had occurred, including 120 hull-loss accidents resulting in a total of 4,211 fatalities.WEB, Aviation Safety Network > Boeing 727 Statistics,aviation-safety.net/database/types/Boeing-727/statistics, 2024-03-05, aviation-safety.net,

Orders and deliveries

{| class=“wikitable” style="text-align:right; font-size:96%;”! Year !! style="width: 32px;” | Total !! 1984 !! 1983 !! 1982 !! 1981 !! 1980 !! 1979 !! 1978 !! 1977 !! 1976 !! 1975 !! 1974 !! 1973 ! Orders1,831 >| 92 ! Deliveries1,831 >| 92 {| class=“wikitable” style="text-align:right; font-size:96%;”! Year !! style="width: 32px;” | 1972 !! 1971 !! 1970 !! 1969 !! 1968 !! 1967 !! 1966 !! 1965 !! 1964 !! 1963 !! 1962 !! 1961 !! 1960! Orders| 80! Deliveries| Source: Data from Boeing, through the end of productionWEB, 727 Model Summary, Boeing Commercial Airplanes,active.boeing.com/commercial/orders/displaystandardreport.cfm?cboCurrentModel=727&optReportType=AllModels&cboAllModel=727&ViewReportF=View+Report,active.boeing.com/commercial/orders/displaystandardreport.cfm?cboCurrentModel=727&optReportType=AllModels&cboAllModel=727&ViewReportF=View+Report," title="web.archive.org/web/20200419100626active.boeing.com/commercial/orders/displaystandardreport.cfm?cboCurrentModel=727&optReportType=AllModels&cboAllModel=727&ViewReportF=View+Report,">web.archive.org/web/20200419100626active.boeing.com/commercial/orders/displaystandardreport.cfm?cboCurrentModel=727&optReportType=AllModels&cboAllModel=727&ViewReportF=View+Report, dead, April 19, 2020, December 10, 2010, {{Clear}}Boeing 727 orders and deliveries (cumulative, by year):ImageSize = width:auto height:250 barincrement:45PlotArea = left:35 bottom:15 top:10 right:18AlignBars = justifyDateFormat = yyyyPeriod = from:0 till:2000TimeAxis = orientation:verticalScaleMajor = unit:year increment:200 start:0PlotData=
color:skyblue width:45
bar:1960 from:start till: 80 text: 80 align:center shift:(0,-2)
bar:1961 from:start till: 117 text: 117 align:center shift:(0,-2)
bar:1962 from:start till: 127 text: 127 align:center shift:(0,-2)
bar:1963 from:start till: 147 text: 147 align:center shift:(0,2)
bar:1964 from:start till: 230 text: 230 align:center shift:(0,1)
bar:1965 from:start till: 417 text: 417 align:center shift:(0,8)
bar:1966 from:start till: 566 text: 566 align:center shift:(0,18)
bar:1967 from:start till: 691 text: 691 align:center shift:(0,25)
bar:1968 from:start till: 757 text: 757 align:center shift:(0,32)
bar:1969 from:start till: 821 text: 821 align:center shift:(0,37)
bar:1970 from:start till: 869 text: 869 align:center shift:(0,39)
bar:1971 from:start till: 895 text: 895 align:center shift:(0,41)
bar:1972 from:start till: 1014 text: 1014 align:center shift:(0,46)
bar:1973 from:start till: 1106 text: 1106 align:center shift:(0,50)
bar:1974 from:start till: 1194 text: 1194 align:center shift:(0,54)
bar:1975 from:start till: 1244 text: 1244 align:center shift:(0,59)
bar:1976 from:start till: 1357 text: 1357 align:center shift:(0,64)
bar:1977 from:start till: 1490 text: 1490 align:center shift:(0,70)
bar:1978 from:start till: 1615 text: 1615 align:center shift:(0,76)
bar:1979 from:start till: 1713 text: 1713 align:center shift:(0,82)
bar:1980 from:start till: 1781 text: 1781 align:center shift:(0,88)
bar:1981 from:start till: 1819 text: 1819 align:center shift:(0,90)
bar:1982 from:start till: 1830 text: 1830 align:center shift:(0,90)
bar:1983 from:start till: 1831 text: 1831 align:center shift:(0,90)


color:green width:45–
bar:1963 from:start till: 6 text: 6 align:center shift:(0,-1)
bar:1964 from:start till: 101 text: 101 align:center shift:(0,-4)
bar:1965 from:start till: 212 text: 212 align:center shift:(0,-3)
bar:1966 from:start till: 347 text: 347 align:center
bar:1967 from:start till: 502 text: 502 align:center
bar:1968 from:start till: 662 text: 662 align:center
bar:1969 from:start till: 776 text: 776 align:center
bar:1970 from:start till: 831 text: 831 align:center
bar:1971 from:start till: 864 text: 864 align:center
bar:1972 from:start till: 905 text: 905 align:center
bar:1973 from:start till: 997 text: 997 align:center
bar:1974 from:start till: 1088 text: 1088 align:center
bar:1975 from:start till: 1179 text: 1179 align:center
bar:1976 from:start till: 1240 text: 1240 align:center
bar:1977 from:start till: 1307 text: 1307 align:center
bar:1978 from:start till: 1425 text: 1425 align:center
bar:1979 from:start till: 1561 text: 1561 align:center
bar:1980 from:start till: 1692 text: 1692 align:center
bar:1981 from:start till: 1786 text: 1786 align:center
bar:1982 from:start till: 1812 text: 1812 align:center
bar:1983 from:start till: 1823 text: 1823 align:center
bar:1984 from:start till: 1831 text: 1831 align:center
{{Timeline Legend|colour=skyblue|text=Orders}} {{Timeline Legend|colour=green|text=Deliveries}}“>

Model summary{| class“wikitable” style@text-align:center; font-size:96%;”

! Model Series!!|ICAO codeWEB,www.icao.int/publications/DOC8643/, ICAO Document 8643, International Civil Aviation Organization, June 20, 2017, ||Orders||Deliveries!727-100name=r|407!727-100C|164!727-200B72212451245!727-200FB722/R722{{efn|15!colspan=2 style="text-align:right” | Total!|1831||1831Source: Boeing

Aircraft on display

A comparatively large number of surviving retired 727s remain, largely as a result of donation by FedEx of 84 of them to various institutions. The vast majority of the aircraft was given to university aviation maintenance programs. All but five are located within the United States.WEB, Bostick, Brian, Interactive Map: Retired FedEx Boeing 727s Dot The Globe,aviationweek.com/blog/interactive-map-retired-fedex-boeing-727s-dot-globe, Aviation Week Network, Penton, April 6, 2017, November 24, 2014, April 7, 2017,aviationweek.com/blog/interactive-map-retired-fedex-boeing-727s-dot-globe," title="web.archive.org/web/20170407064203aviationweek.com/blog/interactive-map-retired-fedex-boeing-727s-dot-globe,">web.archive.org/web/20170407064203aviationweek.com/blog/interactive-map-retired-fedex-boeing-727s-dot-globe, dead,

Specifications

(File:Boeing 727 family v1.0.png|thumb|upright=1.5|A comparison of the different 727 variants){{sticky header}}{| class=“wikitable sortable sticky-header” style="text-align: center”www.boeing.com/assets/pdf/commercial/airports/acaps/727.pdf," title="ghostarchive.org/archive/20221009www.boeing.com/assets/pdf/commercial/airports/acaps/727.pdf,">ghostarchive.org/archive/20221009www.boeing.com/assets/pdf/commercial/airports/acaps/727.pdf, October 9, 2022, live, 727 Airplane Characteristics for Airport Planning, Boeing, May 2011, ! Variant! 727-100! 727-200! 727-200 Advanced! Flight crewWEB, FAA, Type Certificate Data Sheet,www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/5d48fc77a31b7f6985256722006b0c1c/$FILE/A3we.pdf, February 20, 1991, December 11, 2016,www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/5d48fc77a31b7f6985256722006b0c1c/" title="web.archive.org/web/20191201004016www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/5d48fc77a31b7f6985256722006b0c1c/">web.archive.org/web/20191201004016www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/5d48fc77a31b7f6985256722006b0c1c/$FILE/A3we.pdf, December 1, 2019, dead, Three! Two-class seats| 106: 16F@38”, 90Y@34” 134: 20F@38”, 114Y@34”! One-class seats| 125@34” 155@34”! Exit limit| 131 189! Length| 133 ft 2 in (40.59 m) 153 ft 2 in (46.68 m)! Height| 34 ft 3 in (10.44 m) 34 ft 11 in (10.65 m)! Cabin width 140 in (3.56 m)! Wingspan 108 ft (32.92 m)! WingWEB,www.boeing.com/resources/boeingdotcom/company/about_bca/startup/pdf/historical/727-100-20_passenger.pdf,www.boeing.com/resources/boeingdotcom/company/about_bca/startup/pdf/historical/727-100-20_passenger.pdf," title="ghostarchive.org/archive/20221009www.boeing.com/resources/boeingdotcom/company/about_bca/startup/pdf/historical/727-100-20_passenger.pdf,">ghostarchive.org/archive/20221009www.boeing.com/resources/boeingdotcom/company/about_bca/startup/pdf/historical/727-100-20_passenger.pdf, October 9, 2022, live, Startup, Boeing, 727-100/200, 2007, {{cvtsqft}}, 32° sweep! MTOW| 169,000 lb (76,700 kg)| 172,000 lb (78,100 kg)| 209,500 lb (95,100 kg)! OEW| 87,696 lb (39,800 kg)| 97,650 lb (44,330 kg)| 100,700 lb (45,720 kg)! Fuel capacity| 7,680 US gal (29,069 L)| 8,090 US gal (30,620 L)| 10,585 US gal (40,060 L)! Engines ×3| Pratt & Whitney JT8D-1/7/9| JT8D-7/9/11| JT8D-9/15/17/17R! Thrust ×314,00014,500kN|lk=on}}14,00015,000kN}}1450017400kN}}! Range{{efn|Two-class passengers}}2,250|nmi}}1,900|nmi}}2550|nmi}}! Take-off{{efn|MTOW, SL, ISA}}8,300|ft}}8,400|ft}}10100|ft}}! MMO {{cvtMachkn km/h mph35000|ft}}! Cruise495518mphWORK=THE INTERNATIONAL DIRECTORY OF CIVIL AIRCRAFT, Gerard Frawley, 467–515 kn (865–953 km/h; {{cvt-kndisp=output only}})HTTP://WWW.AIRLINERS.NET/AIRCRAFT-DATA/BOEING-727-200/90 >TITLE=727-200 AIRCRAFT TECHNICAL DATA & SPECIFICATIONS AUTHOR=GERARD FRAWLEY, ! Ceiling {{cvtft}}

See also

{hide}aircontent|related= {edih}

Notes

{{notelist}}

References

{{Reflist|2}}

, Himmelsbach
, Ralph P.
, Worcester
, Thomas K.
, 1986
, Norjak: The Investigation of D. B. Cooper
, Norjak Project
, West Linn, Oregon
, 978-0-9617415-0-1
,
  • BOOK, Gilchrist, Peter, Modern Civil Aircraft 13: Boeing 727, Ian Allan Publishing, Shepperton, United Kingdom, 1996, 0-7110-2081-7,

External links

{{Commons and category|Boeing 727}} {{Boeing airliners}}{{Boeing model numbers}}{{Boeing 7x7 timeline}}{{USAF transports}}{{Authority control}}

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