Group Captain Prabhu Datt Chopra was commissioned in the Aeronautical Engineering (Mechanical) Branch of the Indian Air Force in September, 1947. He has been the General Manager of Hindustan Aeronautics Limited, Kanpur Division, since December 1967. Prior to that date he had served with distinction in various units of the Air Force and also in Hindustan Aeronautics Limited as Factory Manager of the Kanpur Division. When it was decided to manufacture Gnat and subsequently the HS-748 aircraft in the country, he was selected as the technical representative on the Project Team in the United Kingdom. It is to his credit that the manufacture of these two aircraft and the buildup of the Kanpur factory, allied facilities and the smooth transfer of technology was accomplished. During his stewardship, the Kanpur factory has grown from strength to strength. His main contributions have been increased indigenous content and manufacture of hundreds of components from raw materials. He has also brought about a marked improvement in the workers' productivity largely by improved technology and by his personal guidance. He enjoys the confidence of his colleagues and workers. He is one of the outstanding executives of Hindustan Aeronautics Limited, possessing qualities, as a manager and technologist, which are worth emulation. By his devotion to duty and personal qualities, he has enriched the profession and helped build the Air Force and Civil Aviation. He has made a signal contribution to the aircraft industry and the Air Force.