Northwest Airlines fleet
Fleet gallery -- Retired Northwest Airlines fleet
Table:
Northwest Airlines Retired Fleet

Aircraft

Year Retired

Replacement

Notes

Boeing 727-100

1991

McDonnell Douglas DC-9

Boeing 727-200

2003

Airbus A320

Boeing 747-100

2000

Boeing 747-400

Boeing 747-200

2009

Airbus A330 Family

Passenger retired 2007, charter retired 2009

Boeing 747-200F

2009

None

Cargo fleet

Convair CV-580

1988

None

Acquired during the merger with Republic Airlines in 1986

McDonnell Douglas DC-9-10

2005

Airbus A319

Acquired during the merger with Republic Airlines in 1986

McDonnell Douglas MD-80

1999

Airbus A320

Acquired during the merger with Republic Airlines in 1986

McDonnell Douglas DC-10-30

2007

Airbus A330 Family

Sold to ATA Airlines and Omni Air International

McDonnell Douglas DC-10-40

2002

Boeing 757-300

Consulting the accompanying table and the article excerpts listed.

Answer the following question: What was the cruise speed of in miles per hour of the aircraft that was replaced by an aircraft that was last delivered by Boeing in 2009 ? Return your answer as JSON: {"answer": "YOUR ANSWER"}. Do not introduce information beyond the provided sources.

The Boeing 727 is an American midsized , narrow-body three-engined jet aircraft built by Boeing Commercial Airplanes from the early 1960s to 1984 . It can carry 149 to 189 passengers and later models can fly up to 2,700 nautical miles ( 5,000 km ) nonstop . Intended for short and medium-length flights , the 727 can use relatively short runways at smaller airports . It has three Pratt & Whitney JT8D engines below a T-tail , one on each side of the rear fuselage with a center engine that connects through an S-duct to an inlet at the base of the fin . The 727 is the only Boeing trijet to enter commercial production . The 727 followed the 707 , a quad-jet airliner , with which it shares its upper fuselage cross-section and cockpit design . The 727-100 first flew in February 1963 and entered service with Eastern Air Lines in February 1964 ; the stretched 727-200 flew in July 1967 and entered service with Northeast Airlines that December . The 727 became a mainstay of airlines ' domestic route networks and was also used on short- and medium-range international routes . Passenger , freighter , and convertible versions of the 727 were built . The highest production rate of the 727 was in the 1970s ; the last 727 was completed in 1984 . As of July 2018 [ update ] , a total of 44 Boeing 727s ( 2× 727-100s and 42× -200s ) were in commercial service with 23 airlines , plus a few more in government and private use . Airport noise regulations have led to 727s being equipped with hush kits .
The McDonnell Douglas DC-9 ( initially known as the Douglas DC-9 ) is a twin-engine , single-aisle jet airliner . It first flew and entered airline service in 1965 . The DC-9 was designed for frequent , short flights . The final DC-9 was delivered in October 1982 . DC-9-based airliners including the MD-80 , MD-90 and Boeing 717 ( MD-95 ) later followed in production . With the final deliveries of the 717 in 2006 , production of the DC-9/MD-80/90/717 aircraft family ceased after 41 years and 2441 units built .
The Boeing 727 is an American midsized , narrow-body three-engined jet aircraft built by Boeing Commercial Airplanes from the early 1960s to 1984 . It can carry 149 to 189 passengers and later models can fly up to 2,700 nautical miles ( 5,000 km ) nonstop . Intended for short and medium-length flights , the 727 can use relatively short runways at smaller airports . It has three Pratt & Whitney JT8D engines below a T-tail , one on each side of the rear fuselage with a center engine that connects through an S-duct to an inlet at the base of the fin . The 727 is the only Boeing trijet to enter commercial production . The 727 followed the 707 , a quad-jet airliner , with which it shares its upper fuselage cross-section and cockpit design . The 727-100 first flew in February 1963 and entered service with Eastern Air Lines in February 1964 ; the stretched 727-200 flew in July 1967 and entered service with Northeast Airlines that December . The 727 became a mainstay of airlines ' domestic route networks and was also used on short- and medium-range international routes . Passenger , freighter , and convertible versions of the 727 were built . The highest production rate of the 727 was in the 1970s ; the last 727 was completed in 1984 . As of July 2018 [ update ] , a total of 44 Boeing 727s ( 2× 727-100s and 42× -200s ) were in commercial service with 23 airlines , plus a few more in government and private use . Airport noise regulations have led to 727s being equipped with hush kits .
The Airbus A320 family are narrow-body airliners designed and produced by Airbus . The A320 was launched in March 1984 , first flew on 22 February 1987 , and was introduced in April 1988 by Air France . The first member of the family was followed by the longer A321 ( first delivered in January 1994 ) , the shorter A319 ( April 1996 ) , and the even shorter A318 ( July 2003 ) . Final assembly takes place in Toulouse in France ; Hamburg in Germany ; Tianjin in China since 2009 ; and in Mobile , Alabama in the United States since April 2016 . The twinjet has a six-abreast cross-section and is powered by either CFM56 or IAE V2500 turbofans , except the CFM56/PW6000 powered A318 . The family pioneered the use of digital fly-by-wire and side-stick flight controls in airliners . Variants offer maximum take-off weights from 68 to 93.5 t ( 150,000 to 206,000 lb ) , to cover a 3,100-3,750 nmi ( 5,740-6,940 km ) range . The 31.4 m ( 103 ft ) long A318 typically accommodates 107 to 132 passengers . The 124-156 seats A319 is 33.8 m ( 111 ft ) long . The A320 is 37.6 m ( 123 ft ) long and can accommodate 150 to 186 passengers . The 44.5 m ( 146 ft ) A321 offers 185 to 230 seats . The Airbus Corporate Jets are business jet versions .
The Boeing 747 is an American wide-body , long-range , commercial jet airliner and cargo aircraft . The first wide-body airplane produced , it was the first plane dubbed a Jumbo Jet . Its distinctive hump upper deck along the forward part of the aircraft has made it one of the most recognizable aircraft . Manufactured by Boeing 's Commercial Airplane unit in the United States , the 747 was originally planned to have 150 percent greater capacity than the Boeing 707 , a common large commercial aircraft of the 1960s . First flown commercially in 1970 , the 747 held the passenger capacity record for 37 years . The 747 uses a double-deck configuration for part of its length and is available in passenger , freighter , and other versions . Boeing designed the 747 's hump-like upper deck to serve as a first-class lounge or extra seating , and to allow the aircraft to be easily converted to a cargo carrier by removing seats and installing a front cargo door . Boeing expected supersonic airliners - the development of which was announced in the early 1960s - to render the 747 and other subsonic airliners obsolete , while the demand for subsonic cargo aircraft would remain robust well into the future . Though the 747 was expected to become obsolete after 400 were sold , production passed 1,000 in 1993 . By June 2019 , 1,554 aircraft had been built , with 20 of the 747-8 variants remaining on order . As of January 2017 [ update ] , 60 of the jets have been lost in accidents in which a total of 3,722 people died . The 747-400 , the most common variant in service , has a high-subsonic cruise speed of Mach 0.85-0.855 ( up to 570 mph or 920 km/h ) with an intercontinental range of 7,260 nautical miles ( 8,350 statute miles or 13,450 km ) .
The Boeing 747-400 is an American wide-body jet airliner developed by Boeing Commercial Airplanes . Derived from the earlier versions of the Boeing 747 , the 747-400 retains the four-engine wide-body layout of its predecessors , while incorporating numerous technological and structural changes to produce a more efficient airframe . Its most distinguishing features versus preceding 747 models are 6-foot ( 1.8 m ) winglets mounted on 6-foot ( 1.8 m ) wing tip extensions , which are found on all 747-400s except for Japanese domestic market versions . It is the best-selling model of the Boeing 747 family of jet airliners . The 747-400 is equipped with a two-crew glass cockpit , which dispenses with the need for a flight engineer , along with more fuel-efficient engines , an optional fuel tank in the horizontal stabilizer , and revised fuselage/wing fairings . The aircraft also features an all-new interior with upgraded in-flight entertainment architecture . As on the 747-300 , passenger variants include a stretched upper deck as standard . The 747-400 can accommodate 416 passengers in a typical three-class layout , 524 passengers in a typical two-class layout , or a maximum capacity of 660 passengers in a high-density one-class configuration with the 747-400D variant , and can fly non-stop for up to 7,670 nautical miles ( 14,200 km ) with maximum payload , depending on model . Northwest Airlines first placed the 747-400 in commercial service on February 9 , 1989 . The 747-400 was produced in passenger ( -400 ) , freighter ( -400F ) , combi ( -400M ) , domestic ( -400D ) , extended range passenger ( -400ER ) and extended range freighter ( -400ERF ) versions . The last 747-400 , a -400ERF , was delivered in 2009 . The 747-400 is the second-most recent version of the 747 family , having been superseded by the improved Boeing 747-8 .
The Airbus A330 is a wide-body airliner made by Airbus . In the mid-1970s , Airbus conceived several derivatives of the A300 , its first airliner , and developed the A330 twinjet in parallel with the A340 quadjet . In June 1987 , Airbus launched both designs with their first orders . The A330-300 , the first variant , took its maiden flight in November 1992 and entered service with Air Inter in January 1994 . The slightly shorter A330-200 variant followed in 1998 . In 2014 , Airbus launched the A330neo , re-engined with Trent 7000 turbofans , which entered service in November 2018 . The A330 has a similar airframe to early A340 , except for the number of engines : two instead of four , landing gear and weights . Both airliners have fly-by-wire controls , which was first introduced on the A320 , as well as a similar glass cockpit . The A330 was Airbus 's first airliner to offer a choice of three engines : the General Electric CF6 , Pratt & Whitney PW4000 , or the Rolls-Royce Trent 700 . The A330-300 has a range of 11,750 km or 6,350 nmi with 277 passengers , while the shorter A330-200 can cover 13,450 km or 7,250 nmi with 247 passengers . Later variants include the A330-200F dedicated freighter , the A330 MRTT military tanker , and the ACJ330 corporate jet . The A330 MRTT was proposed as the EADS/Northrop Grumman KC-45 for the US Air Force 's KC-X competition , but lost to the Boeing KC-46 in appeal after an initial win .
The Convair CV-240 is an American airliner that Convair manufactured from 1947 to 1954 , initially as a possible replacement for the ubiquitous Douglas DC-3 . Featuring a more modern design with cabin pressurization , the 240 series made some inroads as a commercial airliner , and had a long development cycle that produced various civil and military variants . Though reduced in numbers by attrition , various forms of the Convairliners continue to fly in the 21st century .
Republic Airlines ( IATA : RC , ICAO : REP , Call sign : REPUBLIC ) was a United States airline formed by the merger of North Central Airlines and Southern Airways on July 1 , 1979 . Their headquarters were at Minneapolis-St. Paul International Airport , in what is now Fort Snelling in unincorporated Hennepin County , Minnesota . The former headquarters is now Delta Air Lines Building C. Republic was acquired by and merged into Northwest Airlines in 1986 .
The Airbus A320 family are narrow-body airliners designed and produced by Airbus . The A320 was launched in March 1984 , first flew on 22 February 1987 , and was introduced in April 1988 by Air France . The first member of the family was followed by the longer A321 ( first delivered in January 1994 ) , the shorter A319 ( April 1996 ) , and the even shorter A318 ( July 2003 ) . Final assembly takes place in Toulouse in France ; Hamburg in Germany ; Tianjin in China since 2009 ; and in Mobile , Alabama in the United States since April 2016 . The twinjet has a six-abreast cross-section and is powered by either CFM56 or IAE V2500 turbofans , except the CFM56/PW6000 powered A318 . The family pioneered the use of digital fly-by-wire and side-stick flight controls in airliners . Variants offer maximum take-off weights from 68 to 93.5 t ( 150,000 to 206,000 lb ) , to cover a 3,100-3,750 nmi ( 5,740-6,940 km ) range . The 31.4 m ( 103 ft ) long A318 typically accommodates 107 to 132 passengers . The 124-156 seats A319 is 33.8 m ( 111 ft ) long . The A320 is 37.6 m ( 123 ft ) long and can accommodate 150 to 186 passengers . The 44.5 m ( 146 ft ) A321 offers 185 to 230 seats . The Airbus Corporate Jets are business jet versions .
The McDonnell Douglas MD-80 is a series of twin-engine , short- to medium-range , single-aisle commercial jetliners . It was lengthened and updated from the DC-9 . This series can seat from 130 to 172 passengers depending on variant and seating configuration . The MD-80 series was introduced into commercial service on October 10 , 1980 by Swissair . The series includes the MD-81 , MD-82 , MD-83 , MD-87 , and MD-88 . These all have the same fuselage length except the shortened MD-87 . The series was followed into service in modified form by the MD-90 in 1995 and the Boeing 717 ( originally MD-95 ) in 1999 .
The McDonnell Douglas DC-10 is an American three-engine wide-body jet airliner manufactured by McDonnell Douglas . It has two turbofan engines mounted on underwing pylons and a third engine at the base of the vertical stabilizer . The DC-10 was intended as a successor to the company 's DC-8 for medium- to long range flights , using a larger capacity wide-body layout with seating up to 380 and more powerful engines . Lockheed also saw this niche as an ideal place to reenter the commercial airliner market with their very similar L-1011 TriStar . Although the L-1011 was more technologically advanced , the DC-10 would go on to outsell the L-1011 by a significant margin due to the DC-10 's lower price and earlier entry into the market . The initial DC-10-10 model was a domestic design with a typical range on the order of 3,800 miles ( 6,100 km ) in a two-class layout . The -15 was a version with more powerful engines , for hotter or higher-altitude airports . The -30 and -40 models were the international versions with extended range of up to 6,220 miles ( 10,010 km ) and a third main landing gear leg to support the higher takeoff weights . An even longer-range version proposed for British Airways , the -50 , was not built . The KC-10 Extender air-to-air refueling tanker version , was based on the -30 model . Production of the DC-10 ended in 1989 , with 386 DC-10s delivered to airlines and 60 KC-10s to the U.S. Air Force . The DC-10 had a poor safety record in early operations , especially due to a design flaw in the cargo doors .
ATA Airlines , Inc. - formerly known as American Trans Air and commonly referred to as ATA - was an American low-cost scheduled service and charter airline based in Indianapolis , Indiana . ATA operated scheduled passenger flights throughout the U.S. mainland and Hawaii and San Juan , Puerto Rico , as well as military and commercial charter flights around the world . ATA also operated flights to Portugal ( LIS , OPO , TER , PDL and SMA ) . In its early days the airline flew charters on a worldwide basis and had bases in Chicago , Detroit , New York , Indianapolis , Oakland and Milwaukee . Later when they entered scheduled service the airline maintained focus cities at Chicago Midway International Airport , Honolulu International Airport , and Oakland International Airport . The airline 's parent company - New ATA Holdings , Inc. ( the successor to ATA Holdings Inc. , which was also once known as Amtran ) - later changed its name to Global Aero Logistics , Inc. and purchased World Air Holdings , Inc. for $ 315 million in an all-cash transaction with the financial backing of the investment firm , MatlinPatterson . World Air Holdings , Inc. owned and operated North American Airlines and World Airways as two separate US-certified air carriers . ATA was North America 's largest charter airline , and until its shutdown transported more troops for the United States military than any other commercial airline . On April 2 , 2008 , ATA filed for Chapter 11 bankruptcy protection . ATA then announced it was ceasing all services , effective 4:00 AM EDT , Thursday April 3 , 2008 , citing the unexpected loss of a major contract for its military charter business , as a subcontractor of FedEx Express , along with recent increases in jet fuel prices . Red-eye flights in the air at the time of the announcement proceeded to their destinations . Flight 4586 from Honolulu to Phoenix was the last ATA flight , departing almost two hours late at 12:10am ( HST ) arriving April 3 , 2008 at 8:48am ( MST ) .
Omni Air International , LLC . is a United States charter airline headquartered in Hangar 19 on the grounds of Tulsa International Airport in Tulsa , Oklahoma , United States . It specializes in passenger charter flights , and Aircraft Crew Maintenance Insurance ( ACMI ) wet leasing . Omni is an FAA Part 121 certificated airline with IATA Operational Safety Audit ( IOSA ) registration . On November 9 , 2018 Air Transport Services Group ( ATSG ) completed its $ 845 million acquisition of Omni .
The Boeing 757 is a mid-sized , narrow-body short to medium range , twin-engine airliner that was designed and built by Boeing Commercial Airplanes . It is the manufacturer 's largest single-aisle passenger aircraft and was produced from 1981 to 2004 . The twinjet has a two-crew member glass cockpit , turbofan engines of sufficient power to allow takeoffs from relatively short runways and higher altitudes , a conventional tail , and , for reduced aerodynamic drag , a supercritical wing design . Intended to replace the smaller three-engine 727 on short and medium routes , the 757 can carry 200 to 295 passengers for a maximum of 3,150 to 4,100 nautical miles ( 5,830 to 7,590 km ) , depending on variant . The 757 was designed concurrently with a wide-body twinjet , the 767 , and , owing to shared features , pilots can obtain a common type rating that allows them to operate both aircraft . The 757 was produced in two fuselage lengths . The original 757-200 entered service in 1983 ; the 757-200PF , a package freighter ( PF ) variant , and the 757-200M , a passenger-freighter combi model , debuted in the late 1980s . The stretched 757-300 , the longest narrow-body twinjet ever produced , began service in 1999 . Passenger 757-200s have been modified to special freighter ( SF ) specification for cargo use , while military derivatives include the C-32 transport , VIP carriers , and other multi-purpose aircraft . Private and government operators have also customized the 757 for research and transport roles . All 757s are powered by Rolls-Royce RB211 or Pratt & Whitney PW2000 series turbofans . Eastern Air Lines and British Airways placed the 757 in commercial service in 1983 .