Steve Firth wrote:

It's usually difficult to see the Southsea/Ryde hovercraft because it
just looks like a very low-flying cloud - with an amber light
flashing
on top.

It's about 100 feet long throws up spray & makes the noise of a
Squadron of Concordes. You can see and hear it the other side of the
bloody Solent!

You are clearly deaf *and* blind but even then I'd have thought you'd
have felt the vibrations!