National Aerospace Laboratories (NAL) India’s Solar-Powered Aircraft: Capable of 90-Day Nonstop Flight admin, September 14, 2024 The platform developed by the National Aerospace Laboratories (NAL) in Bengaluru is known as a High-Altitude Platform (HAP). It is a solar-powered autonomous unmanned aircraft designed to continuously monitor enemy territory at stratospheric levels. The HAP can operate day and night at altitudes of 17-20 km with an endurance of… Continue Reading