Graham Clark, of Alveston, said pilots use several motorways close to the proposed site as navigational aids.

BBC: Pilot worry at Bristol wind turbine plan

The pairing of Button and Hamilton at McLaren makes them the first team to have two British world champions since Graham Hill and Jim Clark were together at Lotus in 1968.

BBC: Hamilton challenge excites Button

He has won two races so far this season to lead the title chase and now stands on the verge of adding his name to a list of British Indy 500 winners which includes the likes of Formula One greats Jim Clark and Graham Hill.

BBC: Brits on Indy front row