With racers now allowed to take part at Silverstone to help evaluate Pirelli's new tyres, Chilton and Bianchi will be doing half a day each.
Chilton is to run in the afternoon on Wednesday, taking over from Tio Ellinas, while Bianchi will run on Friday afternoon once Rodolfo Gonzalez has completed his driving.
Silverstone test line-up as announced by teams so far:
* The driving schedule will be confirmed each morning
- Sports & Recreation
- Tio Ellinas