A copy of Hawker Siddeley Group News Vol 3 No 1 containing an article and photographs relating to the Trident's maiden flight, an Argosy being demonstrated in America, Gnat trainers in Canada, De Havilland pottermeters, the Severn Tunnel pumping station, the Petter engine, the merger of National Gas and Oil Engine and Mirrlees, Bickerton and Day to form Mirrlees National, visits to factories in USSR and China, the Avro 748 and a summary of Europe's aircraft companies collaborating on a project for NATO.