High Quality Content by WIKIPEDIA articles! The BAE Systems HERTI is an unmanned aerial vehicle (UAV) developed by the British company BAE Systems. HERTI stands for "High Endurance Rapid Technology Insertion" and was developed in Warton, United Kingdom. The HERTI airframe is based on a motor glider designed by Jaroslaw Janowski of J&AS Aero Design, Poland. Its first flight was in December 2004 at the Australian Woomera test range where much of the test flight programme has been undertaken. HERTI was also the first UAV to fly in the UK with the flight being certified by the United Kingdom Civil Aviation Authority.