ARJ21

ARJ21
Name	ARJ21
Caption	Airliner on taxiway
Role	Regional jet
Manufacturer	Commercial Aircraft Corporation of China
First flight	2008
Introduction	2016
Status	In service
Primary user	Chengdu Airlines

ARJ21 is a twinjet regional airliner developed and produced by the Commercial Aircraft Corporation of China (COMAC). The program aimed to provide China with a domestically designed short- to medium-range passenger aircraft to compete with models by Bombardier Aerospace, Embraer, and to support fleet renewal for carriers such as China Eastern Airlines, China Southern Airlines, and Shenzhen Airlines. Development involved collaboration with international suppliers including General Electric, Honeywell International Inc., and Dowty Propellers, while certification processes engaged authorities like the Civil Aviation Administration of China and affected relations with Airbus and Boeing through supply-chain and market dynamics.

Development

The ARJ21 program originated from Chinese government initiatives in the late 1990s to develop indigenous aerospace capability, following strategic plans involving Aviation Industry Corporation of China, Comac predecessor entities, and technology transfer efforts tracked by observers in Beijing and Shanghai. Early feasibility and concept studies referenced operational requirements from carriers including Sichuan Airlines and infrastructure considerations at hubs like Beijing Capital International Airport, Shanghai Pudong International Airport, and Guangzhou Baiyun International Airport. International partners such as GE Aviation, Honeywell, Messier-Bugatti-Dowty, and Hamilton Sundstrand supplied engines, avionics, landing gear, and auxiliary systems under commercial agreements influenced by export controls from countries including United States agencies and standards set by organizations like the International Civil Aviation Organization and European Union Aviation Safety Agency. Flight testing began in the 2000s with prototypes operated from Shanghai Hongqiao International Airport, and certification milestones were achieved in the 2010s through coordinated work with the Civil Aviation Administration of China, enabling entry into service with airlines like Chengdu Airlines.

Design

The aircraft incorporates a high-subsonic swept wing, fuselage cross-section designed for single-aisle seating, and systems integration based on suppliers such as GE Aviation for turbofans and Honeywell International Inc. for avionics and environmental control. Structural development involved research institutes and corporations including Xian Aircraft Industry Company and Shanghai Aircraft Manufacturing Company, leveraging composite materials and aluminum alloys with manufacturing techniques informed by partnerships with Rolls-Royce subcontractors and European aerospace firms. Cabin layout considerations referenced standards used by Singapore Airlines, Cathay Pacific, and Qatar Airways for passenger comfort and by Air China and Hainan Airlines for regional route economics. Certification placed emphasis on compliance with airworthiness criteria observed in rulings by ICAO and coordination with national test centers in China.

Variants

The program produced several model designations to meet differing capacity and range requirements. The primary production variant targets 78–90 passengers in a single-class configuration to serve short-haul routes similar to operations by Suzhou Airlines and Shaanxi Airlines. Proposals and studies explored stretched and shortened versions to compete with regional jets like the Bombardier CRJ family and Embraer E-Jets, and potential cargo conversions referencing examples from FedEx Express and UPS Airlines practices. Military and special-mission adaptations were discussed with agencies such as the People's Liberation Army Air Force and state-owned carriers for VIP transport and maritime patrol roles.

Operational history

Entries into service began in the mid-2010s, with the type deployed on domestic routes across hubs like Chengdu Shuangliu International Airport, Xi'an Xianyang International Airport, and secondary airports serving Yunnan and Guangxi provinces. Operators implemented the type to replace older regional turboprops such as the De Havilland Canada Dash 8 and to complement narrowbodies like the Airbus A320 family and Boeing 737 Next Generation on thin routes. Performance reports and incident reviews involved oversight by the Civil Aviation Administration of China and inspections modeled after regulatory practices seen in Federal Aviation Administration and European Union Aviation Safety Agency casework. Routes and commercial utilization influenced regional connectivity strategies similar to those pursued by carriers like Hainan Airlines and Shenzhen Airlines.

Operators

Commercial operators include several Chinese carriers such as Chengdu Airlines, China Southern Airlines, China Eastern Airlines, Shenzhen Airlines, and regional operators connecting secondary cities and provincial capitals. Leasing firms and state-owned enterprises participated in acquisition programs comparable to fleets managed by Airbus SE and Boeing Commercial Airplanes customers, and logistics arrangements sometimes involved partnerships with airport authorities at hubs including Hangzhou Xiaoshan International Airport and Kunming Changshui International Airport.

Specifications

- Crew: two pilots (flightdeck equipped by Honeywell International Inc.) - Capacity: ~78–90 passengers (single-class) - Engines: twin turbofans supplied by General Electric - Range: short- to medium-range suitable for domestic sectors linking airports such as Beijing Capital International Airport and Shanghai Pudong International Airport - Systems: avionics suite integrated with components from Honeywell International Inc. and navigation referencing ICAO standards

Category:Comac aircraft Category:Regional airliners