R-27 (air-to-air Missile) - Variants

Variants

• R-27R AA-10 Alamo-A, semi-active radar homing. Launch range from Mach 1.4, 11 km altitude: 60 km (head-on) / 21 km (tail-on). Minimum launch range under same conditions 2 km (head-on) / 0.5 to 0.6 km (tail-on). Up to 80 km under optimal conditions
• R-27T AA-10 Alamo-B, infrared homing, passive homing using the Avtomatika 9B-1032 (PRGS-27) IR seeker head. Weight 248 kg. Range is said to be 70 km under optimal conditions. The R-27T missile does not possess a data-link, which makes it useful only at much shorter ranges at head-on engagements, however. At tail-on engagements the longer physical reach can be fully utilized.
• R-27ER AA-10 Alamo-C, the semi-active-radar homing extended-range version, which is 70 cm longer and slightly wider. Range up to 130 km under optimal conditions. Entered service 1990.
• R-27ET AA-10 Alamo-D, the infrared-homing extended-range version, which is 70 cm longer and slightly wider, range of 120 km under optimal conditions using the Avtomatika 9B-1032 (PRGS-27) seeker head. Weight 348 kg. Entered service in 1990. The R-27ET missile does not possess a data-link, which makes it useful only at much shorter ranges at head-on engagements, however. At tail-on engagements the longer physical reach can be fully utilized.
• R-27P AA-10 Alamo-E, passive radar homing with a range of up to 72 km.
• R-27EP AA-10 Alamo-F, a longer range passive anti-radiation missile with a range of up to 110 km