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Mikoyan MiG-23BN


NATO: Flogger F/H


Introduction


MiG-23BN

East German MiG-23BN belonging to JBG-37 seen in 1990.
Source: Rob Schleiffert - © CC BY-SA 2.0

Origin
Soviet Union
Type
Ground attack aircraft
Entered service
1971
Status
Limited service
Development
1969 - 1971 (MiG-23B)
1971 - 1972 (MiG-23BN)
Developer
Soviet Union - Mikoyan design bureau
Production
1971 (MiG-23B)
1973 - 1985 (MiG-23BN)
Producer
Soviet Union
Number produced
24 MiG-23B
624 MiG-23BN
Designations
Flogger F/H (NATO reporting name)
Model 32-24 (industry code)
Notable users
Iraq
Syria

Description


Introduction

The MiG-23BN is a late Cold War era ground attack fighter of Soviet origin. It was developed to meet Soviet requirements for a new generation of new ground attack fighter. The Mikoyan design bureau was looking at a new design, but budget restraints and requirement to deliver soon drove the design towards the MiG-23 that was on the production line. In time the MiG-23BN was further developed in the MiG-27, which has a different nose with much improved visibility in the air to ground role.

Design

The MiG-23BN is based on the MiG-23ML fighter aircraft. The radar is replaced with a targeting and navigation system for a wide range of air to ground ordnance. The layout of the hardpoints is a bit different with two fuselage hardpoints and all six capable of 500 kg payload. The pre-production batch of MiG-23B had the AL-21F-3 engine and older Sokol-23S. The main production MiG-23BN model has the R-29B-300 engine, which was only slightly derated compared to the fighter variants. This allows the MiG-23BN to carry out a low level supersonic dash.

Sensors

The MiG-23BN is fitted with the Sokol-23N sighting and navigation system. There is no radar system.

Firepower

The MiG-23BN has six hardpoints: two fuselage, two wing glove and two wing pylons. Total capacity is 2 t of external stores. Armament consists of dumb bombs of up to 500 kg, R-13M and R-60 infrared guided air to air missiles, 57mm S-5 aerial rockets and the Kh-23 Grom (NATO: AS-7 Kerry) air to surface missile. Internal armament consists of a double barrel 23mm GSh-23L autocannon with 200 rounds.

Mobility

The MiG-23BN can operate from austere airfields. The variable geometry wings allow for a limited take-off and landing run, while being capable of sustained supersonic flight at high altitude. The MiG-23BN is also capable of temporary supersonic speed at sea level, increasing its survivability near the target area. Ferry range is 1.350 km and combat range is 550 km with a high-low-high flight pattern.

Users

The MiG-23BN was adopted by Soviet frontal aviation and exported to many nations with close ties to the USSR. The MiG-23BN was extensively used in various conflicts in the Middle East. Iraq used the type throughout the Iran-Iraq war.

Variants


MiG-23BN

East German MiG-23BN with Ural fuel truck in front.
Source: Rob Schleiffert - © CC BY-SA 2.0

Variants of the MiG-23BN ground attack aircraft

MiG-23B
Early production run with AL-21F-3 engine and Sokol-23S sighting and navigation system. Only 24 series production aircraft built in 1971.
MiG-23BN
Main production model. Series produced from 1973 to 1985. Fitted R-29B-300 engine and Sokol-23N sighting and navigation system.
MiG-23BK
Export variant for Warsaw Pact nations with radar warning receivers.
MiG-27
Futher development of the MiG-23BN with redesigned nose and Kiara laser system. Described in a separate article.

Details


Facts MiG-23BN
General
Origin
Soviet Union
Type
Groud attack aircraft
Crew
1 (pilot)
Dimensions
Length
15.35 m
Wingspan
Variable geometry wings
13.97 m wings open
7.78 m wings swept
Height
4.82 m
Wing area
37.4 m² wings open
34.2 m² wings swept
Empty weight
10.7 t
Gross weight
16.75 t
Max take-off weight
18.85 t
Propulsion
Engine setup
Single engine
Powerplant
Tumanskii R-29B-300
Power output
77 kN
110 kN with afterburner
Fuel
5.380 L internal
Up to 2.370 L external
Flight characteristics
Speed
1.900 km/h at 11 km altitude
1.350 km/h at sea level
Range
1.350 km ferry
550 km combat mission
Ceiling
16.8 km
Climb rate
104 s to 11 km
Take-off run
700 m
Thrust-to-weight ratio
800 m with brake chute
G limits
+7 G up to Mach 0.85
Systems
Sensors
No radar
Electronics
Sokol-23N sighting and navigation system
Self-defense
Optional BVP-50-60 flares and countermeasures
Armament
Internal
1x GSh-23L with 200 rounds
Hardpoints
6x, each rated up to 500 kg
Payload
2 t normal
3 t maximum

Weapon options


MiG-23BN

Former Egyptian Air Force MiG-23BN on display in a museum in Brussels.
Source: Alan Wilson - © CC BY-SA 2.0

List of weapon options for MiG-23BN

Single twin barrel GSh-23L mounted internally. 200 rounds ready to fire.
Gun pod with twin barrel 23mm GSh-23L autocannon. These barrel can be trained downward, reducing the steepness of the dive angle while strafing ground targets.
57mm S-5
57mm S-5 aerial rocket in 16-tube UB-16 or 32-tube UB-32 pods.
80mm S-8 aerial rocket in B-8M1 pod with 20 rockets.
Up to 4x S-24 on APU-68UM3 launch rails.
Kh-23 Grom
Air to ground missile with radio command guidance. NATO reporting name is AS-7 Kerry.
FAB-250 and FAB-500 aerial bombs, one per hardpoint. Smaller bombs can be carried on MBD-2-67U multiple ejector racks. Four ejector racks allow for 16 of 100 kg bombs to be carried.
RBK
Cluster bombs. Up to six RBK-250-275 or six RBK-500.
Up to four (possibly six?) R-60 (NATO: AA-8 Aphid) infrared guided air to air missiles can be carried. Normally two are carried for self-defense alongside air to ground armament.