Is it possible to travel by helicopter from central London to the Scottish Highlands / Hebrides without refuelling?
In general, yes it is possible, but the answer is dependant upon specific locations and the specific helicopter (i.e. a twin-engined model would probably be required). e.g. the AS355 Twin-Squirrel and Agusta 109 have a range of around 450 miles which could be sufficient for a safe nonstop trip to Fort William or the Isle of Mull, but would probably drop out of the sky before reaching Skye.
