atb1943: MMMMiles off track indeed, but nostalgia knows no bounds. So, just to set the record straight, the 175A demonstrator that Airwork had at Blackbushe was G-APYA, at that time in highly polished alloy with yellow/brown trim, though the bare metal was soon overpainted for UK climate. If memory serves it ditched in the Irish Sea not so many years ago. Campbell's was a green 210, N7307E — the first in the UK — that as you say was later registered 'RDC with an appropriate 'last two'. He used to come into Portsmouth in it, probably visiting Vospers in connection with Bluebird.