It's not difficult, read the map, talk to the DZ or the local radar/FIS unit and keep out the way!
Yes, well that brings us to the point that the parachute lot were never the most welcoming in aviation. Present company accepted Bose
The welcome at Strathallen, post Wullie days, was a sawn off shotgun. They tried for a while to civvy up, put in a cafe, but posted rotweillers at the door to ward off unassuming aviators.
Was the most beautiful of airfields, but went rarely due to the 'welcoming committee.
Perranporth seem a receptive, knowledgeable and well rounded sort, for para droppers that is