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Page 7 states "It is recognized that ‘sense and avoid’ is a key enabling issue for UAV operations. The derivation and definition of ‘sense and avoid’ requirements is primarily an operational issue and hence outside the scope of USAR.
In August 2013, the Navy paused the development of the "sense and avoid" radar system that would enable the MQ-4C to avoid other aircraft. The Triton would have been the first unmanned aircraft to be fitted with such a system, but the system was behind schedule and over budget.
United States unmanned aerial vehicles demonstrators in 2005. As of January 2014, the United States military operates a large number of unmanned aerial vehicles (UAVs, also known as Unmanned Aircraft Systems [UAS]): 7,362 RQ-11 Ravens; 990 AeroVironment Wasp IIIs; 1,137 AeroVironment RQ-20 Pumas; 306 RQ-16 T-Hawk small UAS systems; 246 MQ-1 Predators; MQ-1C Gray Eagles; 126 MQ-9 Reapers; 491 ...
In these trials the HERTI UAV should fly 28 km from base and at altitudes of about 1,830 metres (6,000 ft) [4] To achieve a UAV that can safely fly within civilian airspace, BAE Systems is developing a "sense and avoid" system for HERTI, utilising a radar and electro-optical systems. [5]
In March 2012, the Naval Air Systems Command (NAVAIR) included the T-20 UAV in multi-award IDIQ contract N00019-12-D-0010 [4] for ISR Services. In California on October 24, 2012, the T-20 made aviation history as the first unmanned aerial vehicle to detect and avoid a general aviation manned aircraft using an ADS-B transponder.
Aeromot K1AM UAV/Target drone for the Brazilian Navy, based in Northrop KD2R-5 Drone. [29] AGPlane UAV of AGX/Aeroalcool.Agricultural and civilian surveillance UAV. [30] [31] Arara M1 Small surveillance UAV. [30] Arara T1 Small UAV/target of AGX/Aeroalcool for the Brazilian Navy. [30] Avibras Falcão Tactical UAV, Avibras [32] [33]
UAVs are used by a broad range of military forces, from Argentina [12] to the US and also by Islamic State of Iraq and the Levant (ISIS).. As of January 2014, the U.S. military operated 7,362 RQ-11B Ravens; 145 AeroVironment RQ-12A Wasps; 1,137 AeroVironment RQ-20A Pumas; 306 RQ-16 T-Hawk small UAS; 246 Predators and MQ-1C Grey Eagles; 126 MQ-9 Reapers; 491 RQ-7 Shadows and 33 RQ-4 Global Hawk ...
Unmanned Aerial Vehicles use collision avoidance systems to operate safely. [6] TCAS is a collision avoidance system that is widely used. [ 7 ] It is a universally accepted last resort meant to reduce the chance of collisions.