The Northrop Grumman X-47B is an American demonstration unmanned combat air vehicle (UCAV) which first flew in 2011. The X-47 project began as part of DARPA's J-UCAS program, and is now part of the United States Navy's UCAS-D (Unmanned Combat Air System Demonstration) program, which aims to create a carrier-based unmanned aircraft. Unlike the similar Boeing X-45, the development of the aircraft's predecessor, the X-47A Pegasus, was company-funded.
Specifications :
General characteristics
Crew: None aboard (semi-autonomous operation)
Length: 38.2 ft (11.63 m)
Wingspan: 62.1 ft extended/30.9 ft folded (18.92 m/9.41 m)
Height: 10.4 ft (3.10 m)
Empty weight: 14,000 lb (6,350 kg)
Max. takeoff weight: 44,567 lb (20,215 kg)
Powerplant: 1 × Pratt & Whitney F100-220U turbofan
Performance
Maximum speed: Subsonic
Cruise speed: 0.45 mach
Range: 2,100+ NM (3,889+ km)
Service ceiling: 40,000 ft (12,190 m)
Armament
2 weapon bays, providing for up to 4,500 lb (2,000 kg) of ordnance
Avionics
Provisions for EO/IR/SAR/ISAR/GMTI/MMTI/ESM
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