Comac ARJ21

Comac ARJ21
N509FZ · CC BY-SA 4.0 · source
Name	ARJ21
Caption	Comac ARJ21 in flight
Type	Regional jet
Manufacturer	COMAC
First flight	2008
Introduced	2016
Status	In service

Comac ARJ21 The Comac ARJ21 is a Chinese twinjet regional airliner developed by COMAC for short- to medium-haul routes. The programme involved collaboration with foreign firms such as General Electric, Snecma, and Honeywell, and the type entered service with Chengdu Airlines and China Southern Airlines. The ARJ21 program reflected broader Made in China 2025 ambitions and responses to regional competition from Embraer and Bombardier Aerospace.

Development

Development began in the early 2000s under the auspices of AVIC subsidiaries and the State-owned Assets Supervision and Administration Commission as part of China's strategy to establish indigenous civil aviation capabilities. Key milestones included preliminary design approval, prototype assembly in Shanghai, and the first flight on 28 November 2008, flown by test crews with support from Pratt & Whitney-related and General Electric subcontractors. International partners such as Messier-Dowty, Hamilton Sundstrand, Safran, and Rockwell Collins contributed components and systems under licensing and technology-transfer arrangements. Certification was pursued through the Civil Aviation Administration of China process, culminating in type certification and entry into service in 2016 amid attention from global media outlets like the Financial Times and Bloomberg.

Design

The ARJ21's design features a high-subsonic wing with trailing-edge flaps and spoilers, twin rear-mounted turbofan engines, and a T-tail configuration influenced by earlier regional types such as the Fokker F28 and Bombardier CRJ series. Avionics suites drew on equipment from Honeywell and Rockwell Collins, while engines were derived from designs by General Electric and CFM International partners. The fuselage cross-section and cabin layout target 70–90 passengers in one- or two-class arrangements, with interior outfitting options from suppliers like Zodiac Aerospace and Recaro. Materials and manufacturing techniques incorporated aluminium alloys and composite elements, with assembly lines established in Shanghai and final outfitting coordinated with regional suppliers in Xi'an and Chengdu.

Operational history

After certification and delivery to initial launch customers such as Chengdu Airlines and Shenzhen Airlines, the ARJ21 entered commercial service on scheduled domestic routes connecting cities including Chengdu, Shanghai, Beijing, and Shenzhen. The type has been used by regional carriers and leasing firms for short-haul trunk and feeder routes, operating in airspaces managed by the Civil Aviation Administration of China and within sectors that include busy hubs like Guangzhou Baiyun International Airport and Shanghai Pudong International Airport. The ARJ21 programme has been noted in analyses by IATA and ICAO observers for its role in diversifying the Chinese commercial fleet alongside Airbus and Boeing types, while incidents and service experience have been reviewed by domestic regulators and airlines to refine maintenance and training conducted with partners such as Lufthansa Technik and GE Aviation.

Variants

The baseline production version, commonly delivered to Chinese carriers, accommodates about 78–90 passengers in typical layouts and is fitted with regional-range tanks and avionics suites. Proposed or studied derivatives considered range-extended and stretched variants aimed to compete with the Embraer E-Jet family and the former Bombardier CRJ700/CRJ900 series, and included options forleasing companies and state-owned airlines to acquire modified variants for higher-density short-haul markets. Development plans at various times explored increased use of composite materials and uprated propulsion options in collaboration with international engine and systems suppliers such as Pratt & Whitney and Safran Aircraft Engines.

Orders and operators

Launch customers included Chengdu Airlines, Shenzhen Airlines, and other carriers within the China Eastern Airlines and China Southern Airlines groups through group-level agreements and leasing arrangements with domestic lessors. State-affiliated operators such as Air China subsidiaries and municipal carriers placed commitments or options, while some aircraft were routed through leasing firms headquartered in Hong Kong and Singapore. Fleet deployment has been primarily within the People's Republic of China domestic network, with occasional demonstrations and commercial negotiations involving overseas carriers and leasing companies in South Asia, Southeast Asia, and Africa.

Specifications

General characteristics - Crew: 2 (flight crew) plus cabin crew depending on configuration - Capacity: typically 78–90 passengers - Length: approximately comparable to regional types like the Embraer 190 - Wingspan: tuned for high-density terminal operations at airports such as Beijing Capital International Airport - Powerplant: twin rear-mounted turbofans supplied in partnership with General Electric and other suppliers

Performance - Range: designed for regional sectors similar to routes flown by Hainan Airlines regional subsidiaries - Cruise speed: high-subsonic, comparable to regional jets from Embraer and Bombardier

Category:Comac aircraft Category:Regional airliners