These trains are 394 metres (1,293 ft) long and can carry 750 passengers: 206 in first class, 544 in standard class.[174] 7 shorter "North of London" sets which have two power cars and fourteen passenger carriages and are 320 metres (1,050 ft) long. These sets have a capacity of 558 seats: 114 first class, 444 standard and which were designed to operate the aborted Regional Eurostar services.