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Vympel R-37
Vympel R37.svg
Type air-to-air missile
Place of origin Russia
Specifications
Weight 600 kilograms (1,320 lb)
Length 4.20 metres (13 ft 9 in)
Diameter 38 centimetres (15 in)

Warhead HE, fragmenting
Warhead weight 60 kg (135 lb)

Wingspan 0.7 m (2 ft 4 in)
Propellant Solid rocket
Operational
range
80–215 nm[1] (150–398 km)
Speed Mach 6
Guidance
system
Inertial with mid-course update, semi-active and active radar homing

The Vympel R-37 (NATO reporting name: AA-X-13/AA-13 Arrow)[1] is a Russian air-to-air missile with an extremely long range. It has also had the names K-37, Izdeliye 610 and R-VD (Raketa-Vysokaya Dalnost, "Very Long Range Missile"), and the NATO codename 'Andi'.[2] It was designed to shoot down AWACS and other C4ISTAR aircraft[1] whilst keeping the launch platform out of range of any fighters that might be protecting the target.

Design

The R-37 was developed from the Vympel R-33.[citation needed] For compatibility with aircraft that did not have the MiG-31's sophisticated radar, the semi-active seeker was replaced with a variant of the Agat 9B-1388 active seeker;[1] mid-body strakes enhance lift[1] and hence range, and folding tail controls allow semi-conformal carriage[1] on planes that are not as big as the MiG-31. According to Defence Today the range depends on the flight profile, from 80 nautical miles (150 km) for a direct shot[1] to 215 nautical miles (398 km) for a cruise glide profile.[1] According to Jane's there are two variants, the R-37 and the R-37M; the latter has a jettisonable rocket booster that increases the range to "300-400km" (160–220 nm).[2]

History

The missile was designed in the early 1980s and first flown in 1989.[2] Testing of the R-37 continued through the 1990s;[2] in 1994 a trial round scored a kill at a range of 162 nautical miles (300 km).[1] However, the programme appears to have been dropped around 1998 on grounds of cost.[2]

Work on the missile appears to have restarted in late 2006,[2] as part of the MiG-31BM programme[2] to update the Foxhound with a new radar and ground attack capability.

Production

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The R-37 is now in production to equip upgraded Russian MiG-31BM Foxhound interceptors, and export MiG-31BM aircraft for Syria. Despite the early intent to integrate the weapon on the Flanker, this has yet to be reported.

Similar weapons

Notes and references

External links


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