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AA-10 ALAMO R-27

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[AA-10 ALAMO R-27]
[Mikoyan MiG-29]
[BVR combat]


AA-10 ALAMO R-27


The R-27 medium-range missile is a component of the MiG-29 armament. In its overall characteristics the R-27R is generally comparable to the the American AIM-7M Sparrow missile. The R-27 is designed according to a modular principle and is the base for a family of missiles equipped with various types of homing heads and propulsion systems. Several versions of this missile have been produced in Russia with infrared, semi-active and active radar guidance. The AA-10 Alamo-C has a range of 130 km, while other variants have a maximum range of between 70 to 170 kilometers.

The R-27 standardized medium-range guided missile became operational in 1985, intended for MiG-29 and Su-27 frontal aviation fighters. The R-27 is capable of engaging manned and unmanned targets in long-range and close maneuverable air-to-air combat. It can be employed both in individual as well as group operations of platform aircraft. It supports the intercept of targets moving from different directions against the background of the earth's and water's surface in any weather conditions.

The R-27R is equipped with a semi active radar homing head. The R-27R is equipped with an active radar proximity fuse and impact fuse and a continuous-rod warhead. It is guided to the target by a combination method according to the proportional navigation method: initially with radio correction of trajectory in the initial flight phase, and homing in the terminal phase. This provides for reliable target lock-on at long ranges from the launching aircraft. The missile can be guided along special trajectories to create favorable conditions for homing head and proximity fuze operation.

The missile has a canard aerodynamic configuration with an axially symmetric cruciform arrangement of aerodynamic surfaces. Control surfaces of original (so-called "butterfly") configuration permit using the same surfaces both for missile yaw and pitch control as well as for its roll stabilization. Each of the four control surfaces has an independent hydraulic drive with a pump-accumulator system for supplying pressure fluid. Canard surfaces are mounted ahead of them. Changing their size ensures identical balance characteristics of the missile when the homing head is replaced.



Contractor Vympel
Date Deployed 1982
Range 2 - 80 km R-27R  70 km R-27T  130 km R-27RE  120 km R-27TE
Speed Mach 4
Propulsion One solid-propellant rocket motor
Guidance SARH  R-27R, R-27E  All-aspect Infrared  R-27T, R-27TE
Warhead 39 kg expanding rod
Launch Weight 253 kg R-27R  254 kg R-27T  350 kg R-27RE  343 kg R-27TE
Length 3.70 m
Diameter 230 mm
Fin Span 0.77 m
Platforms Su-27, Su-33, Su-35, Mig-29, Yak-141



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