Why are people so fascinated with aircraft that go up and down to/from the skies?
These aircraft can operate to/from the islands, St. Mary's, Tresco, and others, year round no matter what the tide and would also give the flat bottomed Scillonian 'Vomit Comet' a run for it's money.
Just build a facility very close to Penzance Rail Station:
Products - Griffon Hoverwork