[Boris The Spider]

Tick the "player" box on the aircraft properties for the aircraft you want to fly

Or if you just want to watch the action press Shift+F2 to see 'Red' aircraft, Carriers or test Runways. Use Ctrl+F2 for 'Blue' aircraft, Carriers or Test Runways. Crtl+F2 will also toggle you through any Static Cameras you placed.