Rolls-Royce Dart Rolls-Royce Dart The Rolls-Royce RB.53 Dart is a long-lived British turboprop engine designed, built and manufactured by Rolls-Royce Limited. First run in 1946, it powered the first Vickers Viscount maiden flight in 1948, and in the Viscount was the first turboprop engine to enter airline service, with British European Airways (BEA), in 1950. On 29 July 1948 a flight between Northolt and Paris–Le Bourget Airport with 14 paying passengers in a Dart-powered Viscount was the first scheduled airline flight by any turbine-powered aircraft. The Dart was still in production when the last Fokker F27 Friendships and Hawker Siddeley HS 748s
Joan Vickers, Baroness Vickers on 25 March 1904 and became one of their partners at their office at 4 Moorgate Street. At the end of the First World War, all the German stockbrokers were forced to resign. In 1917 he set up his own firm, Vickers, da Costa, which counted Sir Winston Churchill among their clients. Her brother, Ralph Vickers was later Senior Partner of the firm. Vickers was educated at St Monica's, Burgh Heath, Surrey, and in Paris. She was trained as a Norland Nurse, working in the Margaret Macdonald and Mary Middleton Hospital, Notting Hill and was active in politics in Battersea