The Lastochka (Desiro RUS) high-speed train was developed by the German
company Siemens AG. It consists of 5 carriages with a total length of up to 130 meters.
The train can reach speeds of up to 160 kph.
The Lastochka (Desiro RUS) can be operated in dual mode (5 + 5 cars)as required
and consists of 2 motorised and 3 unmotorised trailer carriages.
The train only operates 5 or 10 carriages - other options are not envisaged.
When creating the seat numbering system, the following factors were taken into