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The '''Sukhoi 27''' ('''Su-27''' - [[NATO]] [[NATO reporting name|designation: '''Flanker''']]) is a [[Russian]]
In 1969, the leaders of the [[Soviet Union]] decided to build an air superiority [[fighter aircraft]] that would be a match for the U.S. and other [[NATO]] fighters of the time. It was supposed to have a greater range and weaponry than its Western counterparts.
Eight years later the designers at Sukhoi started to test a prototype named '''T10'''. However, due to several technical flaws the aircraft did not meet the expectations of the Soviet [[airforce]]. After one of the two prototypes crashed, killing a pilot the development work was put to a halt. It was not until 1981 that the SDB built a newly designed prototype, which was to become the Su-27.
== Weaponry ==
* Automatic cannon GSh-301 (caliber 30 mm., 1,500 rounds/min., 150 rounds in magazine)
* 10 mount points for rocket ordinance
* Up to 6 medium-range AA missiles R-27, 4 small-range thermal-seeking AA missiles R-73.
* Su-27IB can be used to launch X-31 anti-radar missiles, Air-to-Ground missiles X-29L/T (laser/TV guidance, which may be projected to helmet), KAB-150 and UAB-500 bombs with laser, TV or IR guidance.
== Technical details ==
* Dimensions:
** Wingspan: 14.7 m.
** Length 21.935 m.
** Height 5.932 m.
* Propulsion: 2 AL-31F turbojets (Russian-made), 7,600 kgf. thrust w/o afterburner, 12,500 kgf. thrust w/ afterburner
* Mass:
** Empty: 16,000 kg.
** Normal: 22,500 kg.
** Maximal: 30,000 kg.
* Speed:
** At ground level: 1,400 km/h
** At altitude: 2,500 km/h (Mach 2.35)
* Ceiling: 18,500 m.
* Maximum operational elngth: 3,900 km
* Takeoff distance: 650-700 m.
* Landing distance: 620-700 m.
* Maximum operational acceleration: 9 g
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