Hindustan Aeronautics Ltd (HAL) on Wednesday finalised a ?700 million contract with British companies BAE Systems and Rolls Royce Plc to locally manufacture 57 Hawk advanced jet trainer aircraft and engines for the Indian Air Force and Navy. The order for new planes? signed in the presence of British PM David Cameron at a HAL facility ? comes as a follow-on order to India’s existing contract with BAE Systems for the supply of 66 Hawk aircraft. The order includes 40 planes for the Indian Air Force and 17 for the Navy, to be built by HAL with BAE Systems providing the specialist engineering services, raw materials and equipment for airframe production and the support package.