WEG MediaWiki

2K11 Krug (SA-4 Ganef) Russian Medium-Range Surface-to-Air Missile (SAM) System

tiers
false
false
false
true
categories
"WEG"
"Air Defense"
"Radar Guided Missile Systems"
"Medium-Range Missile Systems"
"Russia (RUS)"
"PRO_Armenia"
"PRO_Azerbaijan"
"PRO_Kyrgyzstan"
"PRO_North Korea (Democratic People's Republic of Korea)"
"PRO_Syria"
"PRO_Turkmenistan"
"PRO_Ukraine"
"Air"
"Tier4"
notes"The 2K11 Krug (NATO code SA-4 Ganef) is a Soviet-made medium-range air defense missile. The development of the system started in 1958. The first version, Krug-A, entered service in 1967, with extensively modified versions, the Krug-M in 1971 and the Krug-M1 in 1974, which were developed to rectify problems discovered during army service. It was first unveiled during a military parade in Moscow in May 1965. Modified versions, the Krug-M in 1971 and the Krug-M1 in 1974 were developed to rectify problems discovered during army service. The 2K11 was briefly operated by the Soviet army during the war in Afghanistan in 1979 and 1980, but was withdrawn several months after the initial invasion. In 1997, it was reported that, between 1993 and 1996, some 27 fire units of Krug and 349 missiles had been sold to Armenia. The SA-4 system has three major components: a 2P24 SPU (samokhodnaya puskovaya ustanovka) mobile launcher unit; a Ural-375 TZM ( transportno-zaryazhayushchaya mashina) transporter-loader vehicle; and a 1S32 Pat Hand SSNR (samokhodnaya stantsiya navendeniya raket) mobile missile guidance station mounted on an AT-T chassis. A typical Ganef battery has one Pat Hand SSNR, three 2P24 SPUs and four TZMs. The Ganef launch vehicle carries no onboard radar. The guidance of the missiles depends on the Pat Hand radar. During wartime, a fourth SPU could be added to the unit. The battery also often has two 23-mm ZU-23 towed anti-aircraft guns and a technical support section. A missile launch battalion has three launch batteries and a Long Track early warning radar. A brigade has three battalions, an additional Long Track radar and a Thin Skin B height-finding radar. The Krug had several features that improved the survivability of the radar against anti-radiation missiles. In PI mode (ПИ) the system only briefly illuminated the target and the computer calculated it's prolonged path based on data received from early warning radars. After a longer passive period the main radar illuminated the calculated flight direction of the target for a few seconds and recalculate path of the target if necessary (if the distance between the calculated track and the actual position is greater than 7 km). As a result, the system emitted detectable signals only for a few seconds in every few minutes, making it difficult to jam or launch an anti-radar missile against Krug. The system was also able to tracking the target in full-passive automated PNS (ПHC) mode based on the data provided by "Long Track" mobile EWR via radio datalink. In this mode it was almost impossible to detect the Krug system until the moment of missile launch, because Krug did not emit radiation at all. In 3M mode (3m aka three-point) the krug track on jamming signal emitting container (e.g., AN/ALQ-99). So the jamming signal that supposed to protect the aircraft made it to a target."
dateOfIntroduction1965
countryOfOrigin"Russia (RUS)"
proliferation"Armenia, Azerbaijan, Kyrgyzstan, North Korea (Democratic People's Republic of Korea), Syria, Turkmenistan, Ukraine"
selectedregions
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checkedregions
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checkedcountries
"Armenia"
"Azerbaijan"
"Kyrgyzstan"
"North Korea (Democratic People's Republic of Korea)"
"Syria"
"Turkmenistan"
"Ukraine"
dis
name"LCHR SA 4 GANEF TRKD"
string"01.01.222.028.005.002.000"
images
"Krug_(c).jpg"
"Krug_(B).jpg"
"Krug_(A).jpg"
sections
name"System"
properties
name"Alternative Designation"
value"SA-4 Ganef; 2K11 Krug; 2K11 ZRD-SD"
name"Type"
value"Medium-Range Surface-to-Air Missile (SAM) System"
name"Family"
value"INA"
name"Manufacturer"
value"MZiK"
name"Crew"
value"3-5"
units"ea"
name"Chassis"
value"GM-123 chassis"
name"In Service"
value"1965-present 1965- 1990s (USSR) Other Countries: See proliferation"
name"Displacement Time"
value"INA"
name"Emplacement Time"
value"INA"
name"Dimensions"
properties
name"Length, Hull"
value"7.5"
units"m"
name"Width"
value"3.2"
units"m"
name"Height, with Missiles"
value"4.472"
units"m"
name"Weight, Combat"
value"28,200 kg"
units"kg"
name"Ground Pressure"
value"INA"
name"Track, Length on Ground"
value"5"
units"m"
name"Track, Width"
value"0.54"
units"m"
name"Ground Clearance"
value"0.44"
units"m"
name"Automotive"
properties
name"Engine Name"
value"V59"
name"Engine Type"
value"V-12 water-cooled diesel"
name"Engine Power"
value"420"
units"hp"
name"Maximum Range"
value"780"
units"km"
name"Speed, Maximum Road"
value"35"
units"km/h"
name"Speed Maximum Swim"
value"Not Amphibious"
name"Fording Depth"
value"INA"
name"Fuel Capacity"
value"850 liters"
name"Suspension"
value"torsion bar, 7 road wheels, front drive, rear idler, 2 hydraulic shock absorbers, 4 return rollers"
name"Communications"
properties
name"Note"
value"Depends on what country the 2K11 Krug is being used in."
name"Main Weapon System"
sections
name"Launcher"
properties
name"Name"
value"2P24 SPU launch vehicle"
name"Crew"
value"3-5"
units"ea"
name"Maximum Elevation"
value"+70"
units"deg"
name"Minimum Elevation"
value"INA"
name"Traverse Range"
value"360"
units"deg"
name"Traverse Left"
value"180"
units"deg"
name"Traverse Right"
value"180"
units"deg"
name"Missile"
properties
name"Name"
value"9M33"
name"Type"
value"Suface-to-Air Missile"
name"Length"
value"8,784"
units"m"
name"Diameter"
value"86"
units"cm"
name"Weight"
value"2,453 kg"
name"Engine"
value"solid fuel rocket motors inside boosters attached to the outside of the missile"
name"Propellant"
value"Kerosene fuelled ramjet"
name"Speed"
value"Mach 4"
name"Basic Load"
value"2"
units"ea"
name"Operational Range"
value"55"
units"km"
name"Flight Altitude"
value"24,500 metres"
name"Booster Time"
value"Four solid fuel booster rocket motors"
name"Guidance System"
value"Radio command"
name"Warhead Type"
value"Frag-HE"
name"Warhead Weight"
value"150 kg"
name"Detonation Mechanism"
value"Contact and proximity fuzes"
name"Note"
value"Additional Missiles the 2K11 Krug can be equipped with: 2 x 3M8; or 2 x 3M8M; or 2 x 3M8M1 (SA-4a); or 2 x3M8M2 (SA-4b); or 2 x 3M8M3 missiles; Note: Missile types can be mixed"
name"Fire Control"
sections
name"Fire Control System"
properties
name"Name"
value"INA"
name"Computerized FCS"
value"Yes, An electro-optical fire-control system is fitted for heavy electronic countermeasures environments"
name"Direct Fire"
value"Yes"
name"Indirect Fire"
value"Yes"
name"Night Vision"
value"infrared night-vision system"
name"Optics"
value"electro-optical fire-control system on launcher"
name"Guidance System"
value"radio command with semi-active radar terminal homing"
name"On-Board Radar"
properties
name"Note"
value"The Ganef launch vehicle carries no onboard radar. See Mobile Missile Guidance Station"
name"Transporter/Loader Vehicle"
properties
name"Name"
value"Ural-375 TZM ( transportno-zaryazhayushchaya mashina) transporter-loader vehicle"
name"Mobile Missile Guidance Vehcile"
properties
name"Name"
value"1S32 Pat Hand SSNR (samokhodnaya stantsiya navendeniya raket) mobile missile guidance station"
name"Type"
value"H-band continuous wave fire control and guidance radar"
name"Band"
value"H-Band"
name"Maximum Range"
value"128"
units"km"
name"Antenna"
value"The vehicle carries a large circular antenna for target tracking and a smaller antenna for missile guidance."
name"SSNR"
value"Russian acronym for radar vehicle"
name"Note"
value"It is used to track targets and guide one or two Ganefs to intercept."
name"Protection"
properties
name"Hull Armor"
value"15"
units"mm"
name"Turret Armor"
value"15"
units"mm"
name"Applique Armor"
value"INA"
name"Explosive Reactive Armor"
value"No"
name"Active Protection System"
value"INA"
name"Mine Clearing"
value"No"
name"Self-Entrenching Blade"
value"No"
name"NBC Protection"
value"Yes, Collective overpressure"
name"Smoke Equipment"
value"INA"
variants
name"Krug-A"
notes"first operational deployment version, entered service in 1967"
name"Krug-M:"
notes"a modified version of Krug-A, entered service in 1971"
name"Krug-M1"
notes"a modified version of Krug-M, entered service in 1974"
type"WEG"
version1
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