Airbus A321

Airbus A321
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Name	Airbus A321
Caption	An Lufthansa Airbus A321-200
Type	Narrow-body aircraft
National origin	Multinational
Manufacturer	Airbus
First flight	11 March 1993
Introduction	January 1994 with Lufthansa
Status	In service
Primary users	American Airlines, China Eastern Airlines, Delta Air Lines, Turkish Airlines
Produced	1993–present
Number built	Over 2,600 (all variants, as of December 2023)
Unit cost	A321neo: US$129.5 million (2018)
Developed from	Airbus A320 family
Variants with their own articles	Airbus A321neo

Airbus A321. The Airbus A321 is a stretched-fuselage, narrow-body, twin-engine jet airliner developed as a member of the Airbus A320 family. It was designed and manufactured by the European aerospace consortium Airbus, with the program launched in 1989 to compete directly with longer variants of the Boeing 737 and the McDonnell Douglas MD-80 series. Entering service in 1994 with launch customer Lufthansa, it has become a cornerstone of short-haul and medium-haul fleets worldwide, renowned for its commonality with other A320 family aircraft and its operational efficiency.

Development and design

The development of the aircraft was formally approved by the Airbus Industrie supervisory board in November 1989, driven by market demand for a higher-capacity version of the popular Airbus A320. The primary design change involved inserting two fuselage plugs, one forward and one aft of the wing, totaling 6.94 meters in length, which increased seating capacity by approximately 20-30% over the Airbus A320. It retained the advanced fly-by-wire flight control system and sidestick controls pioneered by the A320 family, ensuring significant cockpit commonality. Initial powerplants included the CFM International CFM56 and International Aero Engines V2500 turbofan engines, with the basic design offering a maximum take-off weight (MTOW) of 83,000 kg. The first prototype, registered F-WWIA, conducted its maiden flight from Hamburg Finkenwerder Airport on 11 March 1993, with German Federal Aviation Office (Luftfahrt-Bundesamt) certification following in December of that year.

Operational history

The type entered commercial service in January 1994 with launch operator Lufthansa, quickly proving popular for its efficiency on dense routes. It became a critical asset for legacy carriers and low-cost carriers alike, serving major hubs such as London Heathrow Airport, Hartsfield–Jackson Atlanta International Airport, and Frankfurt Airport. The aircraft enabled airlines to up-gauge capacity on high-demand routes without the need for a different aircraft type, leveraging the existing pilot pool and maintenance infrastructure of the A320 family. Its operational history is marked by extensive use across all continents, with particular dominance in the markets of North America, Europe, and Asia. The later introduction of the enhanced Airbus A321neo variant in 2016 further solidified its market position, with the type often used on transatlantic routes by carriers like JetBlue.

Variants

The initial production model was the A321-100, which had a reduced range due to its lower MTOW and fuel capacity. This was soon followed by the A321-200, introduced in 1997, which featured increased MTOW, optional auxiliary fuel tanks, and more powerful engine options for greater range and payload. The most significant development came with the launch of the Airbus A321neo (New Engine Option) family in 2010, featuring new-generation engines from Pratt & Whitney (PW1100G) and CFM International (LEAP-1A), along with aerodynamic improvements like Sharklets. Within the neo family, the Airbus A321LR (Long Range) and the Airbus A321XLR (Extra Long Range) were developed, the latter offering unprecedented range for a single-aisle aircraft, capable of flights such as New York City to Rome. A cargo variant, the Airbus A321P2F (Passenger-to-Freighter), is also offered.

Specifications (A321neo)

Typical seating capacity for the aircraft is 180-220 passengers in a two-class configuration, with a maximum certified capacity of up to 244. It is powered by two underwing-mounted turbofan engines, either the Pratt & Whitney PW1100G-JM or the CFM International LEAP-1A. The A321neo has a length of 44.51 meters, a wingspan of 35.80 meters (extended to 35.90 m with Sharklets), and a height of 11.76 meters. Its maximum take-off weight can reach 97,000 kg for the A321XLR variant. Typical range is approximately 4,000 nautical miles (7,400 km) for the standard neo, extending to about 4,700 nm (8,700 km) for the A321XLR, with a service ceiling of 39,000-41,000 feet. The cockpit features the Airbus A320 family glass cockpit with Electronic Flight Instrument System (EFIS) displays.

Operators

The largest operators of the type include American Airlines, which has a fleet of several hundred across both classic and neo variants, and Delta Air Lines. Other major operators are China Eastern Airlines, Turkish Airlines, IndiGo, and Wizz Air. The aircraft is also widely used by leasing companies such as AerCap and Air Lease Corporation, which place it with airlines globally. Many low-cost carriers, including Frontier Airlines and Spirit Airlines, operate large fleets of the A321neo for its cost efficiency. Military and government operators include the German Air Force and the Royal Australian Air Force, which use it for VIP transport.

Incidents and accidents

The aircraft has been involved in several notable safety events. In January 2020, Ukraine International Airlines Flight 752, an A321-200, was shot down shortly after takeoff from Tehran Imam Khomeini International Airport by the Islamic Revolutionary Guard Corps, resulting in 176 fatalities. In May 2016, EgyptAir Flight 804, an A321-200, crashed into the Mediterranean Sea while en route from Paris to Cairo, killing all 66 on board; the official investigation pointed to a fire in the cockpit. In July 2000, Hapag-Lloyd Flight 3378, an A321-100, crash-landed short of the runway in Vienna due to fuel exhaustion, with no fatalities. A significant hull-loss accident occurred in August 2013, when UPS Airlines Flight 1354, an A300 freighter variant, crashed on approach to Birmingham–Shuttlesworth International Airport; this incident involved a different Airbus type but is often cited in broader fleet safety reviews. The overall safety record of the A321 remains strong within the aviation industry.

Category:Airbus aircraft Category:Twinjet airliners Category:Aircraft first flown in 1993