But don't try it on floats, although it's a Navy station they've only got tarmac

Yes, I do know what's there, I've spent many weeks in Helston, visiting in-laws.
Make sure you Gen up on military "speak" and weather codes.
Best source for this? - I have read various stuff but ... er ... can't quite remember all of it or where I read it.
Taxi to Helston is about 8 quid.
Nope, free ride from father in law.