Kh-31

There are several variants, it is best known as an anti-radiation missile (ARM) but there are also anti-shipping and target drone versions. There has been talk of adapting it to make an "AWACS killer", a long-range air-to-air missile. Zvezda came at the problem from a different angle to Raduga, having a background in lightweight air-to-air missiles. However in the mid-1970s they had developed the successful Kh-25 family of short-range air-to-surface missiles, including the Kh-25MP (AS-12 'Kegler') for anti-radar use. Zvezda started work on a long-range ARM in 1977, and the first launch of the Kh-31 was in 1982. It was around this time that the Russians sold Su-30MKK 'Flanker-G' aircraft to the Chinese. It seems that the original deliveries were of the original Russian model designated as X-31, to allow testing whilst the KR-1 model was being developed for licence production. Local production may have started by July 2005.

Russian development has accelerated since Zvezda was subsumed into the Tactical Missiles Corporation in 2002, with the announcement of the 'D' extended range models and the 'M' model mid-life updates (see Variants section below).

Design

Operational history

As mentioned above, a few Kh-31P/KR-1's were delivered to China in 1997 but these were apparently for testing and development work. The Chinese ordered Russian missiles in late 2002 or early 2003, leading to 200 KR-1's in their inventory by 2005; of which thirteen were fired between 1996-2003. but this order was blocked by the Russians The MA-31 was launched from an F-4 Phantom, and work was done on a kit to launch it from an F-16.

Variants

Kh-31P (Type 77P)

Kh-31AM/Kh-31PM - substantial update to electronics and propulsion systems, trials scheduled for 2005/6. Updated resistance to countermeasures, better fuses, and an improved 31DP propulsion system that "considerably" improves the range with little increase in weight. The Kh-31AM has an improved RGS-31 active seeker, whilst the Kh-31PM replaces the L-111, L-112 and L-113 seekers with a single multiband unit, the L-130.

MA-31 - telemetry and other systems installed by McDonnell Douglas/Boeing for use by the US Navy as a target drone. Tested between 1996-9; a version upgraded with GPS, the MA-31PG, was offered to the Navy as a replacement for the MQM-8 Vandal but they bought the GQM-163 Coyote. Even with the additional equipment, the MA-31 was capable of Mach 2.7 and 15G manoevres in its anti-ship (sea-skimming) flight profile and Mach 3.5 in ARM mode at . In 2005 rumours persisted of a Russian AWACS killer based on the Kh-31A anti-shipping model, and of the Chinese adapting the YJ-91, derived from the Kh-31P, for the same purpose.

Operators

Current

Former

See also

Notes

References

Category:Anti-radiation missiles of Russia Category:Anti-radiation missiles of the Soviet Union Category:Cold War air-to-surface missiles of the Soviet Union