PAK FA T-50 is a fifth-generation fighter programme of the Russian Air Force. The T-50 is the name of the prototype aircraft (though its unlikely it will be the name for the production aircraft) designed by Sukhoi for the PAK FA programme (All photos by Vadim Savitsky)
This is a stealthy, single-seat, twin-engine jet fighter, and will be the first operational aircraft in Russian service to use stealth technology (All photos by Vadim Savitsky)
The fighter combines supercruise, stealth, supermaneuverability, and advanced avionics to overcome the prior generation of fighter aircraft as well as ground and maritime defences (All photos by Vadim Savitsky)
The T-50 prototype first flew on 29 January 2010 and the first production aircraft is slated for delivery to the Russian Air Force starting in 2016 (All photos by Vadim Savitsky)
The T-50 has two tandem main internal weapon bays each approximately 4.6 m (15.1 ft) long and 1.0 m (3.3 ft) wide and two small triangular-section weapon bays that protrude under the fuselage near the wing root. (All photos by Vadim Savitsky)
The T-50's high cruising speed is expected to substantially increase weapon effectiveness compared to its predecessors (All photos by Vadim Savitsky)
For air-to-air combat, the T-50 is expected to carry four beyond-visual-range missiles in its two main weapons bays and two short-range missiles in the wing root weapons bays (All photos by Vadim Savitsky)
Russia's Centre for Analysis of World Arms Trade predicts that the PAK FA will be available for export in 2025 (All photos by Vadim Savitsky)