Kh-58

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title: "Kh-58" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["anti-radiation-missiles-of-the-soviet-union", "air-to-surface-missiles-of-the-soviet-union", "mkb-raduga-products", "anti-radiation-missiles-of-the-cold-war", "military-equipment-introduced-in-the-1980s"] topic_path: "history/military" source: "https://en.wikipedia.org/wiki/Kh-58" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::data[format=table title="Infobox weapon"]

Field	Value
is_missile	yes
name	Kh-58
(NATO reporting name: AS-11 'Kilter')
image	H-58U AS-11 Kilter 2008 G1.jpg
image_size	300
caption	Kh-58U in the Ukrainian Air Force Museum
origin	Soviet Union/Russia
type	Air-launched anti-radiation missile, surface-to-surface missile
used_by	Russia, India, Algeria, Iran
wars
*Iran–Iraq War<ref name	"Cooper"/
**Russo-Ukrainian war<ref name	"Williams"/
design_date	1970s
manufacturer	Raduga NPO
service	1982–present
engine	Solid rocket
weight	650 kg
length	480 cm
diameter	38 cm
wingspan	117 cm
speed	Mach 3.6
vehicle_range	Kh-58: up to 120 km
Kh-58U :250 km
Kh-58E: 46 -
filling	High Explosive
filling_weight	149 kg
guidance	Inertial with passive radar seeker
launch_platform	Su-24M, Mig-25BM, Su-22M4, Su-25TK, Su-30MK, Su-57E
::

Iran–Iraq War
Russo-Georgian War
Russo-Ukrainian War
- Russo-Ukrainian war | designer = | design_date = 1970s | manufacturer = Raduga NPO | unit_cost = | propellant = | production_date = | service = 1982–present | engine = Solid rocket | engine_power = | weight = 650 kg | length = 480 cm | height = | diameter = 38 cm | wingspan = 117 cm | speed = Mach 3.6 | vehicle_range = Kh-58: up to 120 km Kh-58U :250 km Kh-58E: 46 - | ceiling = | altitude = | filling = High Explosive | filling_weight = 149 kg | detonation = | accuracy = | yield = | guidance = Inertial with passive radar seeker | launch_platform = Su-24M, Mig-25BM, Su-22M4, Su-25TK, Su-30MK, Su-57E

The Kh-58 (; NATO: '''AS-11 'Kilter'''') is a Soviet anti-radiation missile with a range of 120 km. the Kh-58U variant was still the primary anti-radiation missile of Russia and its allies. It is being superseded by the Kh-31. The NATO reporting name is "Kilter".

Development

The Bereznyak design bureau had developed the liquid-fuelled Kh-28 (AS-9 ‘Kyle’) and the KSR-5P (AS-6) anti-radiation missiles. They merged with Raduga in 1967, so Raduga was given the contract in the early 1970s to develop a solid-fuel successor to the Kh-28 to equip the new Su-24M 'Fencer-D' attack aircraft. Consequently, the project was initially designated the Kh-24, before becoming the Kh-58.

During the 1980s a longer-range variant was developed, the Kh-58U, with lock-on-after-launch capability. Since the fall of the Soviet Union, Raduga have offered several versions for export.

Design

It was designed to be used in conjunction with the Su-24's L-086A "Fantasmagoria A" or L-086B "Fantasmagoria B" target acquisition system. The range achieved depends heavily on the launch altitude, thus the original Kh-58 has a range of 36 km from low level, 120 km from 10000 m, and 160 km from 15000 m.

Like other Soviet missiles of the time, the Kh-58 could be fitted with a range of seeker heads designed to target specific air defence radars such as MIM-14 Nike-Hercules or MIM-104 Patriot.

Operational history

The Kh-58 was deployed in 1982 on the Su-24M 'Fencer D' in Soviet service. The Kh-58U entered service in 1991 on the Su-24M and MiG-25BM 'Foxbat-F'. The Kh-58E version can be carried on the Su-22M4 and Su-25TK as well, while the Kh-58UShE appears to be intended for Chinese Su-30MKK's.

Kh-58U missiles were first used in combat in November 1987 by Iraqi MiG-25BMs during the Iran-Iraq war against Iranian MIM-23B Hawk batteries, disabling at least one radar. In July 1988, Iraqi forces used upgraded Kh-58Us and Kh-31Ps against Iranian Westinghouse ADS-4 low-band and long-range early-warning radars, succeeding in destroying a radar site in Subashi with two missiles.

In August 2007, a Russian Kh-58 missile was fired at a Georgian radar site near the town of Tsitelubani, but it missed and failed to explode. During the 2008 Russo-Georgian war, Russian forces made no use of anti-radiation missiles, likely due Georgian air defenses keeping their radar systems turned off until Russian aircraft were in range and turn them back on long enough to acquire and fire at their targets, and a possible lack of confidence of the Russian Air Force in their anti-radiation missiles capabilities following the 2007 Georgia missile incident.

The Kh-58 have also seen use during the 2022 Russian invasion of Ukraine. According to senior sources of the Ukrainian Air Force, some 9K33 Osa and 9K37 Buk systems were destroyed by Kh-31P and Kh-58 missiles during the war.

Variants

::figure[src="https://upload.wikimedia.org/wikipedia/commons/c/c0/MAKS_Airshow_2013_(Ramenskoye_Airport,Russia)(524-20).jpg" caption="Kh-58UShKE"] ::

Kh-58 (Izdeliye 112) - original version for the Su-24M.
Kh-58U - improved version with longer range and lock-on-after-launch.
Kh-58E - export version of Kh-58U, first offered in 1991.
Kh-58EM - another version offered for export in the 1990s.
Kh-58UShE (Uluchshennaya Shirokopolosnaya Exportnaya meaning 'Improved, Wideband, Export') - new wideband seeker in new radome, intended for Su-30MK.
Kh-58UShKE - version with folding fins for internal carriage in the Sukhoi Su-57, first unveiled at MAKS 2007.
Kh-58UShKE(TP) - version with added imaging infrared UV seeker, first unveiled at MAKS 2015.

Some Western sources have referred to a Kh-58A that is either optimised for naval radars or has an active seeker head for use as an anti-shipping missile - it probably represents another name for the Kh-58U.

Operators

::figure[src="https://upload.wikimedia.org/wikipedia/commons/f/f8/Kh-58_operators.png" caption="Map with Kh-58 operators in blue and former operators in red"] ::

Current operators

;Belarus:

Former operators

;Iraq

References

Staff of Journal of Electronic Defense. (2004). "International Electronic Countermeasures Handbook". Artech House.
(2007-10-24). "Kh-58 (AS-11 'Kilter')". Jane's Air-Launched Weapons.
(2004). "X-58E". Tactical Missiles Corporation JSC.
(20 November 2012). "Iranian F-14 Tomcat Units in Combat". Bloomsbury Publishing.
(15 August 2007). "Experts invited by Georgia say plane from Russia".
(2011). "The Russian Military and the Georgia War: Lessons and Implications". Strategic Studies Institute, U.S. Army War College.
(16 August 2023). "Putin's Missile War: Russia's Strike Campaign in Ukraine". Rowman & Littlefield.
(13 November 2014). "Airshow China 2014: PAK-FA's new anti-radiation missile set for 2015 series production". Jane's Defence Weekly.
"Kh-58UShKE Anti-Radiation Missile".
[http://www.janes.com/article/53889/maks-2015-krtv-adds-ir-seeker-to-kh-58ushk-anti-radiation-missile MAKS 2015: KRTV adds IR seeker to Kh-58UShK anti-radiation missile]
{{harvnb. Mladenov. 2013
(15 February 2023). "The Military Balance 2023". Routledge.
(2022). "Al-Hussein: Iraqi indigenous conventional arms projects, 1980-2003". Helion & Company Publishing.
(5 February 2014). "The Military Balance 2014". Routledge.

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