RNAS Culdrose, Cornwall

This is a working naval air station, with constant activity as helicopters and fixed wing aircraft take off and land. There is a viewing point outside the fence. Bring your binoculars. On most days there are coach tours of the base starting 14:00 hours at the observation point café. You have to provide proof of ID when buying tickets. The coach tour takes visitors to various points where one can get out and look at buildings, aircraft and equipment, and sometimes to the station cinema for an informative film.
It’s wise to arrive in good time for the tour so that you can get signed up in time for departure. The high point of the tour I went on was going inside a huge hangar where helicopters were being maintained. It was all really interesting.