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The Sukhoi Su-24 (NATO reporting name: Fencer) is a supersonic, all-weather tactical bomber developed in the Soviet Union. The aircraft has a variable-sweep wing, twin engines and a side-by-side seating arrangement for its crew of two. It was the first of the USSR's aircraft to carry an integrated digital navigation/attack system.[1]

Quick Facts Su-24, General information ...
Su-24
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Su-24M of the Russian Air Force, May 2009
General information
TypeAll-weather tactical bomber/interdictor
National originSoviet Union / Russia
ManufacturerSukhoi
StatusIn service
Primary usersRussian Aerospace Forces
Number builtApproximately 1,400
History
Manufactured1967–1993[1]
Introduction date1974
First flightT-6: 2 July 1967; 57 years ago (1967-07-02)
T-6-2I: 17 January 1970; 54 years ago (1970-01-17)
Close

The Su-24 started development in the early 1960s and first flew in 1967. It entered service in 1974 and production ceased in 1993. It remains in service with the Russian Aerospace Forces, Syrian Air Force, Ukrainian Air Force, Algerian Air Force and various other air forces to which it was exported.

Development

Background

One of the conditions for accepting the Sukhoi Su-7B into service in 1961 was the requirement for Sukhoi to develop an all-weather variant capable of precision air strikes. Preliminary investigations with S-28 and S-32 aircraft revealed that the basic Su-7 design was too small to contain all the avionics required for the mission.[2] OKB-794 (later known as Leninets)[3] was tasked with developing an advanced nav/attack system, codenamed Puma, which would be at the core of the new aircraft.[1] That same year, the United States proposal for their new all-weather strike fighter would be the TFX. The resulting F-111 would introduce a variable-geometry wing for greatly increased payload, range, and low-level penetration capabilities.

In 1962–1963, Sukhoi initially set out to build an aircraft without the complexity of moving wings like the F-111. It designed and built a mockup of S-6, a delta wing aircraft powered by two Tumansky R-21 turbojet engines and with a crew of two in a tandem arrangement. The mockup was inspected but no further work was ordered due to lack of progress on the Puma hardware.[2]

In 1964, Sukhoi started work on S-58M. The aircraft was supposed to represent a modification of the Sukhoi Su-15 interceptor (factory designation S-58). In the meantime, revised Soviet Air Force requirements called for a low-altitude strike aircraft with STOL capability. A key feature was the ability to cruise at supersonic speeds at low altitude for extended periods of time in order to traverse enemy air defenses.[2] To achieve this, the design included two Tumansky R-27 afterburning turbojets for cruise and four Rybinsk RD-36-35 turbojets for STOL performance. Side-by-side seating for the crew was implemented since the large Orion radar antennas required a large frontal cross-section.[2] To test the six-engine scheme, the first Su-15 prototype was converted into S-58VD flying laboratory which operated in 1966–1969.[2]

Design phase

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T-6-1

The aircraft was officially sanctioned on 24 August 1965 under the internal codename T-6. The first prototype, T-6-1, was completed in May 1967 and flew on 2 July with Vladimir Ilyushin at the controls.[2] The initial flights were performed without the four lift jets, which were installed in October 1967. At the same time, R-27s were replaced with Lyulka AL-21Fs. STOL tests confirmed the data from S-58VD that short-field performance was achieved at the cost of significant loss of flight distance as the lift engines occupied space normally reserved for fuel, loss of under-fuselage hardpoints, and instability during transition from STOL to conventional flight.[2] So the six-engine approach was abandoned.

By 1967, the F-111 had entered service and demonstrated the practical advantages and solutions to the technical problems of a swing-wing design. On 7 August 1968, the OKB was officially tasked with investigating a variable geometry wing for the T-6. The resulting T-6-2I first flew on 17 January 1970 with Ilyushin at the controls. The subsequent government trials lasted until 1974, dictated by the complexity of the onboard systems.[2] The day or night and all-weather capability was achieved – for the first time[2] in Soviet tactical attack aircraft – thanks to the Puma nav/attack system consisting of two Orion-A superimposed radar scanners for nav/attack, a dedicated Relyef terrain clearance radar to provide automatic control of flights at low and extremely low altitudes, and an Orbita-10-58 onboard computer.[1] The crew was equipped with Zvezda K-36D ejection seats, allowing them to bail out at any altitude and flight speed, including during takeoff and landing.[1][2] The resulting design with a range of 3,000 kilometers (1,900 mi) and payload of 8,000 kilograms (18,000 lb) was slightly smaller and shorter ranged than the F-111.

Ten fatal accidents occurred during Su-24 development, killing thirteen Sukhoi and Soviet Air Force test pilots, and more than 5 crashes per year were occurring at average after that [4]

A Russian Su-24M in flight, 2009

The first production aircraft flew on 31 December 1971 with V.T. Vylomov at the controls, and on 4 February 1975, T-6 was formally accepted into service as the Su-24.[2] About 1,400 Su-24s were produced.

Upgrades

Surviving Su-24M models have gone through a life-extension and updating program, with GLONASS, upgraded cockpit with multi-function displays (MFDs), HUD, digital moving-map generator, Shchel helmet-mounted sights, and provision for the latest guided weapons, including R-73 (AA-11 'Archer') air-to-air missiles. The upgraded aircraft are designated Su-24M2.[citation needed]

Design

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Su-24M in flight, 2009

The Su-24 has a shoulder-mounted variable geometry wing outboard of a relatively small fixed wing glove, swept at 69°. The wing has four sweep settings: 16° for takeoff and landing, 35° and 45° for cruise at different altitudes, and 69° for minimum aspect ratio and wing area in low-level dashes. The variable geometry wing provides excellent STOL performance, allowing a landing speed of 230 kilometers per hour (140 mph), even lower than the Sukhoi Su-17 despite substantially greater takeoff weight. Its high wing loading provides a stable low-level ride and minimal gust response.

The Su-24 has two Saturn/Lyulka AL-21F-3A afterburning turbojet engines with 109.8 kN (24,700 lbf) thrust each, fed with air from two rectangular side-mounted intakes with splitter plates/boundary-layer diverters.

In early Su-24 ("Fencer A" according to NATO) aircraft these intakes had variable ramps, allowing a maximum speed of 2,320 kilometers per hour (1,440 mph), Mach 2.18, at altitude and a ceiling of 17,500 meters (57,400 ft). Because the Su-24 is used almost exclusively for low-level missions, the actuators for the variable intakes were removed to reduce weight and maintenance. This has no effect on low-level performance, but absolute maximum speed and altitude are cut to Mach 1.35 and 11,000 meters (36,000 ft).[5][unreliable source?] The earliest Su-24 had a box-like rear fuselage, which was soon changed in production to a rear exhaust shroud more closely shaped around the engines to reduce drag. The revised aircraft also gained three side-by-side antenna fairings in the nose, a repositioned braking chute, and a new ram-air inlet at the base of the tail fin. The revised aircraft were dubbed "Fencer-B" by NATO, but did not merit a new Soviet designation.

Armament

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A Su-24 in flight (2009)

The Su-24's fixed armament is a single fast-firing GSh-6-23 cannon with 500 rounds of ammunition, mounted in the fuselage underside. The gun is covered with an eyelid shutter when not in use.[citation needed] Two or four R-60 (NATO AA-8 'Aphid') infrared missiles are usually carried for self-defence by the Su-24M/24MK.[6]

Initial Su-24s had basic electronic countermeasures (ECM) equipment, with many Su-24s limited to the old Sirena radar-warning receiver with no integral jamming system. Later-production Su-24s had more comprehensive radar warning, missile-launch warning, and active ECM equipment, with triangular antennas on the sides of the intakes and the tip of the vertical fin. This earned the NATO designation "Fencer-C", although again it did not have a separate Soviet designation. Some "Fencer-C" and later Su-24M (NATO "Fencer-D") have large wing fence/pylons on the wing glove portion with integral chaff/flare dispensers; others have such launchers scabbed onto either side of the tail fin.

Operational history

Substantial numbers of ex-Soviet Su-24s remain in service with Kazakhstan, Russia, and Ukraine. In 2008, roughly 415 were in service with Russian forces, with 321 in the Russian Air Force and 94 in the Russian Navy.[7]

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Su-24M of the Russian Naval Aviation (2021)

The Russian Aerospace Forces will eventually replace the Su-24 with the Sukhoi Su-34.[8]

Soviet–Afghan War

The Soviet Union used some Su-24s in the Soviet–Afghan War, with an initial round of strikes in 1984 and a second intervention at the end of the war in 1988. No Su-24 was lost.[9]

Lebanese Civil War

On October 13, 1990, Syrian Air Force jets entered Lebanese airspace in order to strike General Michel Aoun's military forces. Seven Su-24s were used in this operation.[10]

Operation Desert Storm

During Operation Desert Storm, the Iraqi Air Force evacuated 24 of its 30 Su-24MKs to Iran. Another five were destroyed on the ground, while the sole survivor remained in service after the war.[citation needed]

Tajik and Afghan civil wars

Fencers were used by the Uzbek Air Force (UzAF) against United Tajik Opposition operating from Afghanistan (which also had a civil war of its own going on), as part of a wider air campaign in support of the embattled government of Tajikistan during the 1992–97 civil war. A Su-24M was shot down on 3 May 1993 with an FIM-92 Stinger MANPADS fired by fundamentalists. Both Russian crew members were rescued.[11]

In August 1999 Tajikistan protested over an alleged strike involving four UzAF Su-24s against Islamist militants in areas close to two mountain villages in the Jirgatol District that, despite not producing human casualties, killed some 100 head of livestock and set ablaze several crop fields. Tashkent denied the accusations.[12]

In the final stages of the 1996-2001 phase of the Afghan civil war, Uzbekistan launched airstrikes against Taliban positions in support of the Northern Alliance. During a mission to attack a Taliban armoured infantry unit near Heiratan, a UzAF Su-24 was shot down on 6 June 2001, killing both crew members.[13][14]

First Chechen War

Main article: First Chechen War

On 3 February 1995, during operations over Chechnya, a Russian Su-24M hit the ground in bad weather killing both crew members.[15]

Second Chechen War

Main article: List of Russian aircraft losses in the Second Chechen War

Su-24s were used in combat during the Second Chechen War performing bombing and reconnaissance missions. Up to four were lost, one due to hostile fire: on 4 October 1999, a Su-24 was shot down by a SAM while searching for the crash site of a downed Su-25. The pilot was killed while the navigator was taken prisoner.

2008 Russo-Georgian War

In August 2008, a low intensity conflict in the breakaway Georgian regions of Samachablo and Abkhazia, escalated into the 2008 South Ossetia war.[16] Russian Su-24s flew bombing and reconnaissance sorties over Georgia.[17] Russia admitted that three of its Su-25 strike aircraft and one Tu-22M3 long-range bomber were lost. Moscow Defence Brief provided a higher estimate, saying that Russian Air Force total losses during the war were one Tu-22M3 long-range bomber, one Su-24M Fencer fighter-bomber, one Su-24MR Fencer E reconnaissance plane and four Su-25 attack planes. Anton Lavrov listed one Su-25SM, two Su-25BM, two Su-24M and one Tu-22M3 lost.[18]

Libyan Air Force

Libya received five Su-24MK and one Su-24MR from the Soviet Union in 1989.[19] This was one of the last deliveries by the USSR to Libya before the end of the Cold War. One Su-24MK and one Su-24MR may have been transferred to the Syrian Arab Air Force.[citation needed] At the beginning of 2011, the Libyan Air Force was ordered to attack rebel positions and opposition rallies. The Libyan Air Force was limited to a composite force of some MiG-23 (due to be retired, according to plans) and Su-22 and few units of flyable MiG-21, Su-24 and Mirage F1ED fighter-bombers, supported by Soko G-2 Galeb and Aero L-39 Albatros armed trainers. The largest part of the former fleet was in disrepair or stored in not flyable condition. On 5 March 2011, at the beginning of the 2011 Libyan civil war, rebels shot down a Libyan Air Force Su-24MK during fighting around Ra's Lanuf with a ZU-23-2 anti-aircraft gun. Both crew members died. A BBC reporter was on the scene soon after the event and filmed an aircraft part at the crash site showing the emblem of the 1124 Squadron, flying the Su-24MK.[20][21][22]

Syrian Civil War

Starting in November 2012, 18 months after the beginning of the Syrian Civil War and four months after the beginning of air raids by fixed-wing SyAAF aircraft, Su-24 bombers were filmed attacking rebel positions.[23] The SAF suffered its first Su-24 loss, an upgraded MK2 version, to an Igla surface-to-air missile on 28 November 2012 near the town of Darat Izza in the Aleppo Governorate. One of the crew members, Col. Ziad Daud Ali, was injured and filmed being taken to a rebel field hospital.[24]

Syrian Su-24s have reportedly also been involved in near-encounters with NATO warplanes. The first of such incidents occurred in early September 2013, when Syrian Su-24s of the 819th Squadron (launched from Tiyas Military Airbase) flew low over the Mediterranean and approached the 14-mile air exclusion zone surrounding the British airbase in Akrotiri, Cyprus. The jets turned back before reaching the area due to two RAF Eurofighter Typhoons being scrambled to intercept them. Turkey also sent two F-16s. The Fencers were possibly testing the air defenses of the base (and their reaction time) in preparation for a possible military strike by the U.S., the United Kingdom and France in the aftermath of the chemical weapons attack in Ghouta, Damascus allegedly committed by the Syrian government.[25]

On 23 September 2014, a Syrian Su-24 was shot down by an Israeli Air Defense Command MIM-104D Patriot missile near Quneitra, after it had flown 800 meters (2,600 ft) into Israeli controlled airspace over the occupied Golan Heights.[26] The missile hit the aircraft when it already re-entered into the Syrian air space.[27] Both crew members ejected safely and landed in Syrian territory.[28]

On 18 March 2018, a SyAAF Su-24 was shot down by rebels in East Qalamoun, East of Damascus province; it fell into territory controlled by Syrian government forces.[29][30]

On 1 March 2020, two SyAAF Su-24MK2s were shot down by Turkish Air Force F-16s using air-to-air missiles over the Idlib province. All four pilots ejected safely.[31][32]

2015 Russian military operation in Syria

Main articles: 2015 Russian Sukhoi Su-24 shootdown and Russian-led military intervention in Syria
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A couple of Russian Su-24M arriving in Khmeimim Air Base.

The long-range striking power of the Russian aerospace forces in the region comes from the twelve Su-24M2 bombers that Russia sent to its base in Latakia, Syria.[33] On 24 November 2015, a Russian Su-24M was shot down by a flight of two Turkish F-16s near the Turkey–Syrian border. The two crew ejected before the plane crashed in Syrian territory. Russia claimed that the jet had not left Syrian airspace while Turkey claimed that the jet entered their airspace and was warned 10–12 times before being shot down.[34][35]

A deputy commander in a Syrian Turkmen brigade claimed that his personnel shot and killed the crew while they were descending in their parachutes, while some Turkish officials subsequently stated that the crew was still alive.[36] The weapon systems officer was rescued by Russian forces but the pilot was killed by rebels, along with a Russian marine involved in a helicopter rescue attempt. Russian president Vladimir Putin warned Turkey of serious consequences. To increase safety during aerial operations in the region, Russian fighter jets would escort bombers, S-400 SAM systems were deployed in Syria and a Russian cruiser was stationed off the coast to protect Russian aircraft.[37][38] Following the incident, Russia announced that Su-24s in Syria had been armed with air-to-air missiles on operational sorties.[citation needed]

Russian encounters with NATO forces

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A Russian Sukhoi Su-24 attack aircraft flies over USS Donald Cook

In late May 2015, a pair of Russian Su-24s made a low pass over the USS Ross in the Black Sea.[39] In April 2016, several Russian Su-24s flew within 30 metres of another American ship, the destroyer USS Donald Cook in the Baltic Sea.[40] The incidents occurred over two days, with the planes making passes by the Donald Cook while it was in international waters. In November 2018, two armed Russian Su-24s flew low over the Belgian auxiliary ship Godetia. At the time of the incident, the Godetia was in use as the command ship of NATO’s northern mine-sweeping fleet.[41]

Saudi-led intervention in Yemen

In March 2015, Sudanese President Omar al-Bashir committed Sudan to join the Saudi Arabian-led intervention in Yemen against the Houthis. The Sudanese military effort included the commitment of up to four recently acquired Sudanese Air Force Su-24s to the Saudi King Khalid Air Base where they were photographed. Sudanese Armed Forces did not specify the type of mission the Su-24s conducted.[42][43] Integrating several Soviet-made combat jets with air forces using modern Western models (F-15s, F-16s, F/A-18s, Tornadoes, Typhoons) during an active military campaign would represent a historical first, requiring extensive communication integration or leaving the Soviet-made jets operating on a different mission plan. Air defense units, like Saudi MIM-104 Patriot batteries, would either need to stand down, taking the risk of not monitoring for incoming threats or some very specific orders to avoid shooting down friendlies.[citation needed] On 28 March 2015, during Operation Decisive Storm, Houthi forces claimed they shot down a Sudanese Air Force Su-24.[44][45] Houthis published photos of an allegedly captured Sudanese pilot and metal parts claiming it as the aircraft wreckage.[46][47][48]

Russo-Ukrainian War

Main article: List of aircraft losses during the Russo-Ukrainian War
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Ukrainian Su-24M over Starokostiantyniv in 2015
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Ukrainian Su-24s performing a flypast during the Kyiv Independence Day Parade on 24 August 2021

The Ukrainian Air Force inherited all of its Su-24s from the Soviet Union when the latter dissolved in 1991.[49] In 2009, amid declining relations with Russia, Ukraine began to have difficulty obtaining spare parts from Sukhoi.[50] On 5 August 2019, the Mykolaiv Aircraft Repair Plant [uk] announced a modernization and MRO program for Ukraine's Su-24M bombers and Su-24MR reconnaissance aircraft.[51]

During the war in Donbas, a Ukrainian Air Force Su-24 was damaged by a MANPADS fired by pro-Russian forces on 2 July 2014. One of the engines was damaged but the crew managed to return to base and land. During landing a new fire started but it was extinguished by the ground crew.[52] Initially identified as a Su-25, on 20 August 2014 a Ukrainian Su-24M was shot down by Russian proxy forces in the Luhansk Oblast and confirmed by Ukrainian authorities who reported that the crew members ejected safely and were recovered.[53][54] On 21 August 2014, the downed plane was identified as a Su-24M.[55]

Russian invasion of Ukraine

Ukraine reportedly had 10 to 20 operational Su-24s prior to the invasion by Russia in 2022.[56][57] Lack of standoff missiles meant that Ukrainian crews had to fly into range of Russian air defences to strike their targets. The 7th Tactical Aviation Brigade suffered many losses in the first few months of the invasion.[58]

In the first hours of the invasion, the Ukrainian Air Force used at least two Su-24Ms during the Battle of Antonov Airport against Russian Airborne Forces that had flown in the airport in helicopters.[59] On 27 February, one Ukrainian Su-24 was lost near Bucha, Kyiv Oblast. The pilots, Major Ruslan Oleksandrovich Bilous and Captain Roman Oleksandrovich Dovhalyuk, were killed and were posthumously awarded with the Order of Bohdan Khmelnytsky.[60][61] Another bomber was reported lost on 3 April, when a video emerged showing the crash site with the remains of a blue-coloured AL-21 engine employed by the Su-24.[62] On 22 March, another Ukrainian Su-24M was shot down by Russian forces in Izyum. The navigator ejected successfully, but the pilot, Major Oleksiy Oleksandrovich Kovalenko, was killed.[63] On 19 May, a Su-24 was lost near Pylove. The pilot, Lt. Colonel Igor Khamar and the navigator, Major Ilya Negar, were killed.[64][65]

On 9 August, explosions at Saky Airport in Novofedorivka, Crimea, destroyed and damaged several aircraft on the ground, among them at least five Russian Naval Aviation Su-24s.[66] Russia denied the loss of any aircraft, though this was rebutted by satellite imagery.[67]

On 9 October 2022, a Russian Su-24 crashed during landing in the Rostov region in Russia due to technical malfunction.[68] As of 30 March 2023, the Oryx open-source intelligence website has visually confirmed ten Russian Su-24 losses.[69]

In May 2023, the United Kingdom supplied Ukraine with Storm Shadow air-launched cruise missiles,[70] allowing Su-24s to launch strikes from a safer distance.[71] On 24 May, Ukrainian Defense Minister Oleksii Reznikov tweeted a composite image of a Su-24MR carrying a Storm Shadow missile on its right wing glove pylon. As a Storm Shadow weighs almost 2,900 pounds, only the Su-24 or Su-27 can carry it.[72] On 2 July, it was reported that Ukrainian Su-24s were modified with pylons taken from decommissioned RAF Panavia Tornado GR4s in order to carry and launch the Storm Shadow missile. The aircraft can carry at least two Storm Shadows at once. It appears that the coordinates have to be entered while the aircraft is on the ground.[73][74]

On 11 July 2023, Russian Lieutenant general Oleg Tsokov was killed in an airstrike on the command post of the 58th Combined Arms Army in occupied Berdiansk, during the 2023 Ukrainian counteroffensive; Russian state media alleged he was killed by a Storm Shadow missile launched from a Ukrainian Su-24.[75]

On 9 September 2023, Russian sources claimed that six boats of an attempted Ukrainian amphibious operation near Cape Tarkhankut were intercepted by a Russian Su-24M; three of the boats were sunk using RBK-500 bombs, according to Russian milbloggers.[76]

On 13 September 2023, an attack on Sevastopol Shipyard resulted in damage to port facilities, the submarine Rostov-na-Donu and the landing ship Minsk, both of which were in dry dock. In a Telegram post, Ukrainian Air Force commander Mykola Oleshchuk strongly implied the use of either British Storm Shadow or French SCALP missiles launched by Ukrainian Su-24s.[77][78][79]

On 22 September, Ukrainian Su-24s firing Storm Shadow missiles struck the headquarters of the Black Sea Fleet in Sevastopol.[80][81] The Ukrainian military alleged that the strike was timed to coincide with a meeting of naval officials and there were casualties.[82]

On 4 November 2023, Ukrainian Su-24s launched at least three cruise missiles, either Storm Shadows or SCALPs, striking the newly built Russian corvette Askold at the Zalyv Shipbuilding Yard in Kerch.[83] The ship, which was to enter service in the second half of 2023,[84] suffered extensive damage to its port side.[85]

On 5 December 2023, Lieutenant General Mykola Oleschuk stated that a Ukrainian RBS 70 anti-aircraft missile took down Su-24 aircraft using RBS-70 MANPAD in Odesa Oblast.[86]

As of 6 December 2023, Oryx equipment loss tracker reported Russian losses as 1 Su-24M strike aircraft, 1 Su-24MR tactical reconnaissance aircraft, and 10 Su-24M/MR strike/tactical reconnaissance aircraft; and Ukrainian losses as 18 Su-24M strike aircraft, 1 Su-24MR tactical reconnaissance aircraft, and 1 unspecified Su-24 type.[87]

On 26 December 2023, the Russian landing ship Novocherkassk was attacked by the Ukrainian Air Force.[88][89] The ship was destroyed in an air attack by Ukrainian Su-24s using cruise missiles. Russian officials claimed that two Ukrainian Su-24s were shot down, although this was refuted by the Ukrainian Air Force's spokesperson.[90][91]

Variants

Source: Sukhoi[2]

S6[92]

An early project in the gestation of the Su-24, like a meld of the Su-7 and Su-15.[92]

T6-1

The initial prototype with cropped delta wings and 4 RD-36-35 lift engines in the fuselage.[92]

T6-2I / T6-3I / T6-4I

Prototypes for the variable geometry Su-24 production aircraft.[92]

Su-24

The first production version, the armaments include Kh-23 and Kh-28 type air-to-ground guided missiles, together with R-55 type air-to-air guided missiles.[1] Manufactured between 1971–1983, with around 500 units produced.

Su-24M ('Fencer-D')

Work on upgrading the Su-24 started in 1971, and included the addition of inflight refueling and expansion of attack capabilities with even more payload options. T-6M-8 prototype first flew on 29 June 1977, and the first production Su-24M flew on 20 June 1979. The aircraft was accepted into service in 1983. Su-24M has a 0.76 m (30 in) longer fuselage section forward of the cockpit, adding a retractable refueling probe, and a reshaped, shorter radome for the attack radar. It can be identified by the single nose probe in place of the three-part probe of earlier aircraft. A new PNS-24M inertial navigation system and digital computer were also added. A Kaira-24 laser designator/TV-optical quantum system (similar to the American Pave Tack) was fitted in a bulge in the port side of the lower fuselage, as well as Tekon track and search system (in pod), for compatibility with guided weapons, including 500 and 1,500kg laser-guided bombs and TV-guided bombs, and laser/TV-guided missiles Kh-25 and Kh-29L/T, anti-radar missiles Kh-58 and Kh-14 (AS-12 'Kegler') and Kh-59 (AS-13 'Kingbolt')/Kh-59M TV-target seeker guided missiles.[1] The new systems led to a reduction in internal fuel amounting to 85 L (22.4 US gal). Su-24M was manufactured between 1981–1993, with around 770 units produced.[1]

Su-24M2 ('Fencer-D')

Next modernization of Su-24M introduced in 2000 with the "Sukhoi" program and in 1999 with the "Gefest" program. The modernized planes are equipped with new equipment and systems. As a result, they get new capabilities and improved combat efficiency, including new navigation system (SVP-24), new weapons control system, new HUD (ILS-31, like in Su-27SM or KAI-24) and expanding list of usable munitions (Kh-31A/P, Kh-59MK, KAB-500S). The last batch of the Sukhoi was delivered to the Russian VVS in 2009.[93] Modernization continues with the program "Gefest". All frontline bombers Su-24 in the Central Military District received new sighting and navigation systems SVP-24 in 2013.[94]

Su-24MK ('Fencer-D')

Export version of the Su-24M with downgraded avionics and weapons capabilities. First flight 30 May 1987 as T-6MK, 17 May 1988 as Su-24MK. Manufactured 1988–1992, sold to Algeria, Iraq, Libya, and Syria. Many Iraqi examples were evacuated to Iran.
Su-24MR ('Fencer-E')
Dedicated tactical reconnaissance variant. First flight 25 July 1980 as T-6MR-26, 13 April 1983 as Su-24MR. Entered service in 1983, with 130 units manufactured. Su-24MR retains much of the Su-24M's navigation suite, including the terrain-following radar, but deletes the Orion-A attack radar, the laser/TV system, and the cannon in favor of two panoramic camera installations, 'Aist-M' ('Stork') TV camera, RDS-BO 'Shtik' ('Bayonet') side-looking airborne radar (SLAR), and 'Zima' ('Winter') infrared reconnaissance system. Other sensors are carried in pod form. Manufactured 1983–1993.[1] It is also being modernized.[95]

Su-24MP ('Fencer-F')

Dedicated electronic signals intelligence (ELINT) variant, intended to replace the Yak-28PP 'Brewer-E'. First flight 14 March 1980 as T-6MP-25, 7 April 1983 as Su-24MP. The Su-24MP has additional antennas for intelligence-gathering sensors and radar jamming, omitting the laser/TV fairing, but retaining the cannon and provision for up to four R-60 (AA-8) missiles for self-defense. Only 10 were built.[1]

Operators

Current operators

 Algeria

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Su-24 operators as of 2015
  Current
  Former

 Belarus

 Iran

  • Islamic Republic of Iran Air Force – 30 Su-24MKs were in service as of January 2013.[100] 24 Iraqi examples were evacuated to Iran during the 1991 Gulf War and were put in service with the IRIAF. Iran possibly purchased other Su-24s from Russia or other former Soviet States. Iran tested domestically produced anti-radar missiles carried by Su-24 aircraft in September 2011.[101]

 Libya

 Russia

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A Su-24M of the Belarusian Air Force

 Syria

  • Syrian Arab Air Force – 22 received. 20 Su-24MKs from the Soviet Union starting in 1987, one Su-24MK and one Su-24MR from Libya.[108] 20 were in service in January 2013.[100] All the Su-24MKs have been upgraded to Su-24MK2 standard, between 2009 and 2013. The contract for that was signed in 2009 and the upgrade started in 2010.[109]

 Sudan

 Ukraine

  • Ukrainian Air Force inherited around 120 Su-24s airframes from the Soviet Union. In March 2019, 23 Su-24 were reported in operational status.[111]

Former operators

 Azerbaijan

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A Su-24M2 of the Russian Air Force

 Iraq

 Kazakhstan

  • Kazakhstan Air Defense Force - Operated 13 aircraft until retired in 2023 or earlier. The aircraft were put up for auction in October 2023, and reportedly purchased by the US in April 2024.[113][114][115] In a later statement, the Kazakh state-owned weapons importer and exporter Kazspetexport denied such claims, saying that foreign companies were not allowed to bid.[116][117]

 Uzbekistan

Notable recent accidents and incidents

  • On 14 May 1975, a Russian Air Force Su-24 from the 63rd Bomber Regiment suffered an accidental ejection when the navigator's control stick snagged the ejection handle of his Zvezda K-36 ejection seat. Powering on the aircraft's hydraulics caused the control stick to move forward, pulling the handle and ejecting the navigator. This incident marks the first successful ejection from an aircraft in zero-zero conditions outside of a testing environment.[118]
  • On 10 April 2011 an Islamic Republic of Iran Air Force Su-24MK crashed close to Khavaran village near the city of Sarvestan, about 80 km east of Shiraz in the southern province of Fars.[119]
  • On 30 October 2012, a Russian Air Force Su-24M crashed in Chelyabinsk Oblast, Russia. During the flight the nose cone fractured. After attempting an emergency landing, the crew of two flew to open territory and safely ejected. A regional government website stated that emergency was the result of aircraft control system failure. Flights of Su-24 were suspended at the Shagol base.[120]
  • On 21 March 2014, a Ukrainian Air Force Su-24M belonging to the 7th Brigade crashed during approach for landing near Starokonstantinov in the Khmelnitsky region, Ukraine. Both crew members ejected safely.[citation needed]
  • On 23 September 2014, a Syrian Su-24 was shot down by the Israeli Air Defence Command after entering Israeli air space above the Golan Heights. The aircraft was intercepted by a MIM-104 Patriot SAM.
  • On 13 October 2014, an Algerian Air Force Su-24 crashed during a training flight killing both crew members[121]
  • On 6 July 2015, a Russian Air Force Su-24 crashed outside of Khabarovsk in Russia's Far East killing one out of two crew members.[122]
  • On 24 November 2015, a Russian Aerospace Forces Su-24 was shot down by a Turkish F-16 near the Turkey-Syria border. Both crew ejected, but the pilot was killed by Turkmen rebels as he parachuted to the ground, while the navigator was rescued.[123]
  • On 10 October 2017, a Russian Aerospace Forces Su-24 crashed during takeoff at Khmeimim Air Base, Latakia province, Syria. Both crew members died in the crash.[124]
  • On 9 August 2022, a series of explosions occurred at the Saki Air Base in Crimea. At least 1 Su-24 was destroyed, with satellite imagery taken hours before indicating there were at least two others in the vicinity. The Russian Ministry of Defense stated "there had been no attack and no aviation equipment had been damaged."[125]

Specifications (Su-24MK)

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Sukhoi Su-24MR at Kubinka airbase

Data from Sukhoi,[2] Combat Aircraft since 1945,[126] deagel.com,[127] airforce-technology.com[128]

General characteristics

  • Crew: 2 (pilot and weapons systems operator)
  • Length: 22.53 m (73 ft 11 in)
  • Wingspan: 17.64 m (57 ft 10 in) wings spread
10.37 m (34 ft) wings swept
  • Height: 6.19 m (20 ft 4 in)
  • Wing area: 55.2 m2 (594 sq ft)
  • Airfoil: TsAGI SR14S-5.376; TsAGI SR16M-10[129]
  • Empty weight: 22,300 kg (49,163 lb)
  • Gross weight: 38,040 kg (83,864 lb)
  • Max takeoff weight: 43,755 kg (96,463 lb)
  • Fuel capacity: 11,100 kg (24,471 lb)
  • Powerplant: 2 × Lyulka AL-21F-3A turbojet engines, 75 kN (17,000 lbf) thrust each dry, 109.8 kN (24,700 lbf) with afterburner

Performance

  • Maximum speed: 1,654 km/h (1,028 mph, 893 kn) / M1.6 at high altitude
1,315 km/h (817 mph; 710 kn) / M1.06 at sea level
  • Combat range: 615 km (382 mi, 332 nmi) lo-lo-lo attack mission with 3,000 kg (6,614 lb) of ordnance and external tanks
  • Ferry range: 2,775 km (1,724 mi, 1,498 nmi)
  • Service ceiling: 11,000 m (36,000 ft)
  • g limits: +6
  • Rate of climb: 150 m/s (30,000 ft/min)
  • Wing loading: 651 kg/m2 (133 lb/sq ft)
  • Thrust/weight: 0.6

Armament

Avionics

Notable appearances in media

Main article: Aircraft in fiction § Sukhoi Su-24

See also

Aircraft of comparable role, configuration, and era

References

Further reading

External links

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