Infantry weapons / Anti-tank missiles / 9K111 Fagot

9K111 Fagot

General Facts

  • TYPE
    Anti-tank guided weapon

  • ORIGIN
    USSR

  • NICKNAMES
    AT-4 Spigot - NATO reporting name
    PstOhj 82 - Finnish designation

  • DESIGNED
    Late 1960's

  • DESIGNER
    KBP Instrument Design Bureau

  • PRODUCTION
    1972 - present

  • PRODUCERS
    Bulgaria - Vazov
    Russia - Tsniitochmash
    USSR - Tsniitochmash

  • QUANTITY
    Unknown

  • UNIT COST
    $ 115.000 for 9P135 launcher in 1992

  • CHARACTERISTICS
    Limited weight
    Good range for lightweight system
    Difficult to jam
    Limited penetration

Introduction

The 9K111 Fagot is an anti-tank missile of Soviet origin. The 9K111 is better known by its NATO designation AT-4 Spigot. It was developed in the late 1960's as a more compact and more effective system than the 9K11 Malyutka system. The 9K111 is a medium range system and is in the same league as the French Milan system.

Design

The 9K111 Fagot sytem is a man portable system that uses a reuseable ground launcher. The 9M111 missile is transported in and launched from a container. The missile has a booster charge and sustainer rocket motor. Four small vanes at the front and four large wings in the middle provide stability during launch. The 9M111 is wire guided and features SACLOS guidance. The 9P135 lightweight tripod launcher includes an optical sight system and computing mechanism. The same launcher can be used with the larger and longer range 9M113 Konkurs missile.

Firepower

The 9K111 can be used to take out any armored vehicle except modern tanks over the frontal arc. The original missile has a penetration of 400mm RHA, with the latest missile capable of penetrating up to 600mm RHA. The maximum range is 2 km for the original missile and 2.5 km for the improved missiles. If not obscured by smoke the SACLOS guidedance system ensures a good chance to hit the target, even when the target is moving.

Mobility

The 9K111 is a very mobile system. The tripod launcher with a missile ready to fire weighs less than 40 kg. When the load is divided over multiple persons the 9K111 may even be transported over long distances by infantry. Normally the 9K111 is transported by vehicle and employed away from the vehicle. The 9K111 launcher has also been pintle mounted on various armored vehicles. On the BMP-1P and BMD-1P the pintle mounted launcher replaced the 9M14 Malyutka launcher that was mounted on the 73mm low pressure gun. The 9K111 is not used on aircraft or in a naval role.

Users

The 9K111 was widely used by the USSR and most Eastern European nations during the Cold War. The 9K111 was also widely exported, but not the extent of the earlier 9K11 Malyutka system. The 9K111 remains in use and production and is expected to remain in use even though more modern systems are available.

Variants

9P135 launcher

The 9P135 is the tripod launcher associated with the 9K111 system. The original 9P135 can only fire the 9M111 missile. The later 9P135M, M1, M2 and M3 can also launch the larger and longer range 9M113 missile alongside the 9M111 missile. The launcher can also be pintle mounted on armored vehicles.

TypeAnti-tank missile launcher
Crew?
Caliber120 mm (9M111), 135 mm (9M113)
Length1.1 m tube (9M111), 1.26 m (9M113)
Width?
Height?
Weight22.5 kg for 9P135, 23.5 kg for 9P135M3
SightsOptical
Ammunition9M111 or 9M113 missiles
GuidanceSACLOS, wire guided
VelocityAbout 200 m/s
Range
PenetrationDepends on missile used
Remarks-

9M111 missile

The 9K111 system uses the 9M111 missile. Three versions of the missile have been developed.

9M111 Fagot: The original missile with NATO designation AT-4A Spigot-A.
9M111-2 Fagot: Improved missile known as the AT-4B Spigot-B. The improvements include an improved sustainer motor that results in a longer range and an improved warhead is fitted.
9M111M Faktorlya: The latest missile which has a tandem warhead with a further improved penetration. This version has the NATO designation AT-4C Spigot-C.

TypeAnti-tank missile
Diameter120 mm body
Length875 mm
Weight?
GuidanceSACLOS, wire guided
WarheadHEAT, penetration 400 mm RHA
PropulsionSingle-stage solid propellant rocket motor plus booster
Speed240 m/s maximum, 180 m/s average
Range75 m to 2.0 km
Altitude-
Engagement envelope-
RemarksLaunch container is 1.1 m long and weighs 13 kg
TypeAnti-tank missile
Diameter120 mm body
Length875 mm
Weight?
GuidanceSACLOS, wire guided
WarheadHEAT, penetration 460 mm RHA
PropulsionSingle-stage solid propellant rocket motor plus booster
Speed240 m/s maximum, 180 m/s average
Range75 m to 2.5 km
Altitude-
Engagement envelope-
RemarksLaunch container is 1.1 m long and weighs 13 kg
TypeAnti-tank missile
Diameter120 mm body
Length?
Weight7.3 kg
GuidanceSACLOS, wire guided
WarheadTandem HEAT, penetration 600 mm RHA
PropulsionSingle-stage solid propellant rocket motor plus booster
Speed240 m/s maximum, 180 m/s average
Range75 m to 2.5 km
Altitude-
Engagement envelope-
RemarksLaunch container is 1.1 m long and weighs 13.4 kg

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