BENGALURU: Defence PSU Hindustan Aeronautics Limited ( HAL ) today said its turnover surged to an all-time high of Rs 16,524 crore for fiscal 2015-16.Besides, the company's exports stood at Rs 401 crore for the year."It is an all-time high with PBT (profit before tax) standing at Rs 3,210 crore for the year," HAL Chairman and Managing Director T Suvarna Raju said in a company release.The company had achieved a turnover of Rs 15,622 crore for fiscal 2014-15 and PBT of Rs 3,173 crore.He said all 12 Su-30 MKI aircraft produced during the year were from raw material phase, while production of 17 Hawk aircraft is the highest ever achieved in a year.The production highlights of the year include 60 new aircraft and helicopters, overhauling of 229 aircraft and helicopters, 94 new engines, 446 engines overhauled and supply of 143 aerospace structures, HAL said.It said on 'Make in India' front 2021 items were indigenised that resulted in foreign exchange savings of Rs 126 crore annually.More than 300 imported systems and sub-systems have been hosted on HAL's website (Make in India section) to enable private industries to take up indigenisation.Stating that the past year was extremely good for the company with several milestones coinciding with the Platinum Jubilee year, Suvarna Raju said these included starting of core engine run of 25 kN engine, launching of new Design and Development of 1,200 kW turboshaft engine, autonomous flight testing and maiden flight of mini UAV and laying of the foundation stone for HAL's new Helicopter manufacturing facility at Tumakuru in Karnataka.HAL had recently said it has made a contribution of Rs 4,284 crore to the government as buyback of 25 per cent of the share capital and free reserves apart from paying a dividend of Rs 510 crore for fiscal 2015-16.