At the Irkutsk Aviation Plant, two prototypes of the MS-21 are now equipped with domestic avionics, Russian engines and life support systems. More than 20 thousand enterprises and 56 main suppliers participate in the production cooperation. Test flights should begin before the end of 2024.

The liner will have an anthropometric cabin, the size of the toilets can be reduced from 36 to 31 inches at the request of airlines. Also, the new liner will expand the seat pitch and increase the luggage racks.

One of the features of the import-substituted MS—21 cabin is a wide central aisle. It is at least 50.8 cm, depending on the type and width of the seats being installed.

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