Panic over... looks like a clerical error
March 24-26 Brands Hatch (Indy circuit)
April 7-9 Donington Park.
April 14-16 Thruxton.
April 29-May 1 Oulton Park
May 19-21 Mondello Park
June 2-4 Mallory Park.
June 16-18 Snetterton.
July 14-16 Knockhill
July 28-30 Oulton Park.
August 11-13 Croft.
August 26-28 Cadwell Park
September 22-24 Silverstone.
October 6-8 Brands Hatch (GP circuit)