# COMAC C909 (ARJ21) seat maps

URL: https://departcart.com/seat-maps/aircraft/comac-c909-arj21-aj27

Updated: 2026-09-02

Researched COMAC C909 (ARJ21) seat maps: 2 airlines, 2 cabin layouts, cabin by cabin, with real rows, exits and seat pitch where it is published.

## The airframe

ICAO type code: AJ27
Manufacturer: COMAC
Family: C909
Category: regional
Length: 33.46 m
Wingspan: 27.29 m
Engines: 2

## What we have researched

Airlines with a published layout: 2
Cabin layouts: 2
Seats per layout: 90
Regions: Asia
Cabin mix: Economy 180
Seat pitch published: 0 of 2 cabins

Every published COMAC C909 (ARJ21) layout from Air China and China Southern Airlines carries 90 seats.

[How much the same aircraft varies between airlines](/learn/cabin-layout-variation) puts these differences in context across every researched type.

Every researched cabin: [Airline seat maps](https://departcart.com/seat-maps)

## Airlines flying it

- [Air China](https://departcart.com/seat-maps/air-china-ca/comac-c909-arj21-aj27), 90 seats, Asia
- [China Southern Airlines](https://departcart.com/seat-maps/china-southern-airlines-cz/comac-c909-arj21-aj27), 90 seats, Asia

## Where this comes from

Every layout above is researched against published cabin plans for the operator that flies it and then checked against live availability. Where a figure is not known it says so rather than being estimated, which is why some pitch cells read "not recorded" instead of carrying a number we would not defend.

The same aircraft type is not the same cabin at two airlines. Seat count, pitch and the number of classes are decisions the operator makes, which is why this page counts layouts separately from airlines and links each one rather than publishing a single plan for the type.