The British Rail Class 397 Civity[6] is a class of electric multiple unit built by Spanish rolling stock manufacturer CAF for lease to TransPennine Express by Eversholt Rail Group.

[10] The announcement of new trains was made by FirstGroup when it was confirmed that they would become the next operator of the TransPennine Express franchise from 1 April 2016.

[11] In May 2016 it was announced by TransPennine Express that they had ordered 12 five-car electric multiple units from CAF to replace the fleet of ten four-car Class 350/4 Desiro units which previously operated TransPennine Express services between Liverpool, Manchester and Scotland.

[12] In May 2023, 397011 received special Eurovision branding to celebrate the event taking place in Liverpool.

This included the addition of single doors at the ends of the coach, a maximum speed of 125 mph (201 km/h) and first class with catering provision from the on-board galley kitchen.