I went on board a BOAC 707 to clear it at LHR - I was Customs in the days when permission had to be given to disembark. There was an obvious bad atmosphere up the front end and the cabin staff were not happy. The cockpit door opened and the immaculately attired, be-medalled and be-whiskered Captain appeared. With a cursory nod to me but not a word to anybody he departed for his personal transport. Immediately the atmosphere lightened and joviality returned. It turned out the Captain, renowned for his arrogance, had been encouraged by management to come out of the cockpit and pass some time with at least the first-class pax. His response had been to produce s tin-whistle, play several notes, and return to the cockpit. The cabin-crew were not impressed. I made a point of looking out for him and would have paid particular attention to his crew-declaration, but I never saw him again. Apart from that I found BOAC exemplary in all respects.