He was accompanied by the delightful Katharine Worsley (later to become his wife).
Working as 707 Navigator, D of Kent a pax. and requested a visit to the flt. deck. She accompanied him, and seated on the jump seat turned around and asked what I was doing ? I educated her into the mysteries of Loran, that I was currently using !
Million years later, whilst still enjoying Staff Travel was seated at the back of F/Class whilst she ( alone on that occasion ) and her two bodyguards occupied the front row. I asked one of the B/guards if I could approach her, and reminded her of that previous flight, which she did ! Very Gracious.