Planes leave Heston for Cup Final . News Reel ' war ' with Wembley . Four gyroplanes and at least ten other planes were ' mobilised ' by the news reel companies in their war against the Wembley Stadium authorities who wished to prevent outsiders from filming the Cup Final . Determined to get pictures , the news reel companies chartered the planes , from which cameramen can get excellent pictures with long focus lenses . To make this as difficult as possible the defenders operated 20 searchlights from the ground . Photo shows , planes about to take off from Heston for Cup Final . 25 April 1936