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COMAC C909 / ARJ21 Family

The COMAC C909, originally known as the ARJ21, is a Chinese regional jet family designed for domestic trunk-feeder and regional operations. It uses rear-mounted engines and a T-tail layout, with airline cabin layouts currently concentrated among Chinese operators.

01

Overview

The COMAC C909, originally known as the ARJ21, is a Chinese regional jet family designed for domestic trunk-feeder and regional operations. It uses rear-mounted engines and a T-tail layout, with airline cabin layouts currently concentrated among Chinese operators.

Advantages

  • Supports regional connectivity in China.
  • Domestic support ecosystem is important for Chinese airline networks.
  • C909 branding helps align the aircraft with COMAC's newer naming system.

Limitations

  • International operator base is limited.
  • Cabin and route economics are closer to regional jets than larger single-aisle aircraft.
02

Identification

Key terms

Technical features

  • Connects model suffixes, airline maintenance strategy, and performance limits.
  • Important for aircraft identification and fleet comparison.

Advantages

  • Helps explain range, payload, noise, and fuel-burn differences.

Limitations

  • Public data may omit thrust derates or later engine swaps.
03

Aircraft line

FamilyCOMAC C909 / ARJ21 Family

Explore models

ARJ21-700Engine family: CF34-10AView entryC909Engine family: CF34-10AView entryC909 / ARJ21-700Engine family: General Electric CF34-10AView entry
04

Technical notes

Technical notes

  • The commercial passenger branch is represented by ARJ21-700 / C909 aircraft.
  • The type is associated with GE CF34-10A-family engines.
  • Cabin layouts in the workbook currently show all-economy Chinese full-service examples.
  • Major variants covered here: C909 / ARJ21-700, ARJ21-700, C909.

Cabin configurations

Format: F8/J42/W28/Y216; F=First, J=Business, W=Premium Economy, Y=Economy

Air China

Y90

AeroLOPA source: Air China C909 / ARJ21-700, normalized cabin configuration Y90.

AeroLOPA

China Southern

Y90

AeroLOPA source: China Southern C909 / ARJ21-700, normalized cabin configuration Y90.

AeroLOPA
06

Sources

Wikipedia: COMAC C909 / ARJ21 Family