The 2012 Sukhoi Su-27 is a highly integrated twin-finned aircraft. The 2012 Sukhoi Su-27 airframe is constructed of titanium and high-strength aluminium alloys. The 2012 Sukhoi Su-27 engine nacelles are fitted with trouser fairings to provide a continuous streamlined profile between the nacelles and the tail beams. The fins and horizontal tail consoles are attached to tail beams.There are several related developments of the 2012 Sukhoi Su-27 design. The 2012 Sukhoi Su-27 is a two-seat, dual-role fighter for all-weather, air-to-air and air-to-surface deep interdiction missions. The 2012 Sukhoi Su-27 is a navy fleet defence interceptor for use on aircraft carriers. Further versions include the side-by-side 2-seat Su-34 ‘Fullback’ strike variant and the Su-35 ‘Flanker-E’ improved air defence fighter.The 2012 Sukhoi Su-27 aircraft is equipped with a 30mm GSh-301 gun with 150 rounds of ammunition and a range of missiles, rockets and bombs mounted externally on ten hardpoints.The 2012 Sukhoi Su-27 aircraft's infrared search and track system, laser rangefinder, radar and helmet-mounted target designator provide detection, tracking and attack capability.The 2012 Sukhoi Su-27 is a twin-engine supermanoeuverable fighter aircraft designed by Sukhoi.The 2012 Sukhoi Su-27 most often flies air superiority missions, but is able to perform almost all combat operations.The 2012 Sukhoi Su-27 aircraft is equipped to operate autonomously in combat over hostile territory, in escort of deep-penetration strike aircraft and in the suppression of enemy airfields.