English: BAE Systems Herti XPA-1B' 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. The first vehicles had a maximum take-off weight of 450 kilograms (990 lb) and a payload of about 150 kilograms (330 lb). However the first production example will, according to Flight International, weigh about 750 kilograms (1,700 lb). The first production example will be delivered by Slingsby Aviation to BAE Systems at the end of November 2007. Wingspan: 12.5m, Length: 5.5m, Height: 1.4m, Crusing speed: 170kph, Operating Altitude: 6000m, Endurance: up to 20 hours, Powerplant: Rotax 914F engine 115hp - Australian International Airshow 10-15 March 2009. File: Herti_YMAV_20090314_6074