Difference between revisions of "MiG-21S (R-13-300)"

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{{About
 +
| about = Soviet jet fighter '''{{PAGENAME}}'''
 +
| usage = other versions
 +
| link = MiG-21 (Family)
 +
}}
 
{{Specs-Card
 
{{Specs-Card
 
|code=mig-21_s
 
|code=mig-21_s
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== Description ==
 
== Description ==
 
<!-- ''In the description, the first part should be about the history of and the creation and combat usage of the aircraft, as well as its key features. In the second part, tell the reader about the aircraft in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
 
<!-- ''In the description, the first part should be about the history of and the creation and combat usage of the aircraft, as well as its key features. In the second part, tell the reader about the aircraft in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
−
The '''{{Specs|name}}''' is a premium rank {{Specs|rank}} Soviet jet fighter {{Battle-rating}}. It was introduced in [[Update "Winged Lions"]].
+
While the Soviet Air Defence Force (PVO) was content with their MiG-21 variants, the Soviet Air Force (VVS) set out to acquire a better fighter-interceptor, as their current MiG-21PF were mainly suited for heavy interception and light ground attack, with little emphasis on air-to-air combat. Research from Mikoyan OKB quickly resulted in the Ye-7S prototype, a MiG-21PF with the new Sapfir-21 radar, allowing it to mount not only the ASP-PF-21 radar-computing gunsight, but also [[R-3R]] (K-13R) semi-active radar guided (SARH) air-to-air missile, increasing the lethality of this aircraft during interception and especially during head-on and side-on engagements with enemy aircraft. The design was greatly favoured by the VVS, and after a small request to also increase the fuel capacity, the MiG-21S was born. The MiG-21S had the extra fuel incorporated in the larger saddle tank taken from the MiG-21R variant, while mounting all the avionics upgrades of the Ye-7S prototype. This aircraft would begin delivery to its only operator, the Soviet Air Force (VVS) in 1965, and would see active combat shortly after, most notably participating in the Invasion of Czechoslovakia in 1968.
 +
 
 +
Introduced in [[Update "Winged Lions"]] as a GE {{ge}} premium, the MiG-21S is doctrinally very similar to its contemporary second-generation Fishbed variants of similar battle rating. In simple terms, the MiG-21S is just a [[MiG-21PFM]] with more fuel and extra hardpoints due to using the chassis of a MiG-21R. The biggest selling point of this aircraft after its incredible flight performance for its battle rating, is the [[R-3R]] radar-guided missiles, which allow for head-on and side-on engagement against unaware or overconfident aircraft, if the radar lock conditions permit. The MiG-21S, while excelling in the flight performance and weapons department for its battle rating, is strongly offset by its abysmal survivability. At a battle rating where it is regularly faced with high-G all-aspect missiles such as the [[AIM-9L Sidewinder|AIM-9L]] and [[R-60M]], this aircraft is strongly limited by the fact that it lacks any form of countermeasures to defend itself against such threats.
  
 
== General info ==
 
== General info ==
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{{Specs-Avia-Flight}}
 
{{Specs-Avia-Flight}}
 
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
 
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
−
''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.''
+
Like all MiG-21s, the MiG-21S is a very fast interceptor. With a powerful engine (the same used by the [[MiG-21SMT]]), the MiG-21S has very good acceleration and top speed compared to other supersonic fighters like the [[MiG-19PT|MiG-19]], the [[F-100D|F-100 Super Sabre]] and the [[F-105D]]. Being a delta wing fighter, it's capable of extreme manoeuvres, but it loses speed very quickly and in a few turns it would be stuck at less than 600 km/h.
  
 
{| class="wikitable" style="text-align:center" width="70%"
 
{| class="wikitable" style="text-align:center" width="70%"
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|-
 
|-
 
! Stock
 
! Stock
−
| 2190 || 2172 || rowspan="2" | {{Specs|ceiling}} || 36.1 || 37.0 || 134.7 || 126.5 || rowspan="2" | 750
+
| 2,190 || 2,172 || rowspan="2" | {{Specs|ceiling}} || 36.2 || 37.0 || 134.7 || 126.5 || rowspan="2" | 750
 
|-
 
|-
 
! Upgraded
 
! Upgraded
−
| 2,313 || 2,240 || 34.2 || 35.0 || 187.6 || 160
+
| 2,313 || 2,240 || 34.2 || 35.0 || 187.6 || 160.0
 
|-
 
|-
 
|}
 
|}
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! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear !! Drogue chute
 
! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear !! Drogue chute
 
|-
 
|-
−
| X || ✓ || ✓ || ✓ || X || ✓
+
| X || ✓ || ✓ || ✓ || X || ✓     <!-- ✓ -->
 
|-
 
|-
 
|}
 
|}
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! Ailerons !! Rudder !! Elevators !! Radiator
 
! Ailerons !! Rudder !! Elevators !! Radiator
 
|-
 
|-
−
| < ___ || < ___ || < ___ || N/A
+
| < 650 || < 600 || < 950 || N/A
 
|-
 
|-
 
|}
 
|}
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|-
 
|-
 
! colspan="3" | Engine
 
! colspan="3" | Engine
−
! colspan="4" | Aircraft mass
+
! colspan="5" | Aircraft mass
 
|-
 
|-
 
! colspan="2" | Engine name || Number
 
! colspan="2" | Engine name || Number
−
! colspan="2" | {{Annotation|Basic mass|Mass of the aircraft with pilot and engine oil, but no fuel or weapons load}} || colspan="2" | Wing loading (full fuel)
+
! colspan="2" | {{Annotation|Basic mass|Mass of the aircraft with pilot and engine oil, but no fuel or weapons load}} || colspan="3" | Wing loading (full fuel)
 
|-
 
|-
 
| colspan="2" | Tumansky R-13-300 || 1
 
| colspan="2" | Tumansky R-13-300 || 1
−
| colspan="2" | _,___ kg || colspan="2" | ___ kg/m<sup>2</sup>
+
| colspan="2" | 5,962 kg || colspan="3" | 359 kg/m<sup>2</sup>
 
|-
 
|-
 
! colspan="3" | Engine characteristics
 
! colspan="3" | Engine characteristics
−
! colspan="3" | Mass with fuel (no weapons load) || rowspan="2" | Max Takeoff<br>Weight
+
! colspan="4" | Mass with fuel (no weapons load) || rowspan="2" | Max Takeoff<br>Weight
 
|-
 
|-
−
! Weight || colspan="2" | Type
+
! Weight (each) || colspan="2" | Type
−
! _m fuel || __m fuel || __m fuel
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! 11m fuel || 20m fuel || 30m fuel || 38m fuel
 
|-
 
|-
−
| 1,135 kg || colspan="2" | Jet
+
| 1,135 kg || colspan="2" | Afterburning axial-flow turbojet
−
| _,___ kg || _,___ kg || _,___ kg || _,___ kg
+
| 6,651 kg || 7,169 kg || 7,773 kg || 8,258 kg || 9,900 kg
 
|-
 
|-
 
! colspan="3" | {{Annotation|Maximum engine thrust @ 0 m (RB/SB)|The maximum thrust produced by each engine, while mounted in the aircraft. NOTE: Thrust varies significantly depending on speed & altitude.}}
 
! colspan="3" | {{Annotation|Maximum engine thrust @ 0 m (RB/SB)|The maximum thrust produced by each engine, while mounted in the aircraft. NOTE: Thrust varies significantly depending on speed & altitude.}}
−
! colspan="4" | Thrust to weight ratio @ 0 m (___%/WEP)
+
! colspan="5" | Thrust to weight ratio @ 0 m (WEP)
 
|-
 
|-
−
! Condition || 100% || ___%/WEP
+
! Condition || 100% || WEP
−
! _m fuel || __m fuel || __m fuel || MTOW
+
! 11m fuel || 20m fuel || 30m fuel || 38m fuel || MTOW
 
|-
 
|-
 
| ''Stationary'' || 3,825 kgf || 6,483 kgf
 
| ''Stationary'' || 3,825 kgf || 6,483 kgf
−
| _.__ || _.__ || _.__ || _.__
+
| 0.97 || 0.90 || 0.83 || 0.79 || 0.65
 
|-
 
|-
 
| ''Optimal'' || 3,825 kgf<br>(0 km/h) || 6,977 kgf<br>(1,200 km/h)
 
| ''Optimal'' || 3,825 kgf<br>(0 km/h) || 6,977 kgf<br>(1,200 km/h)
−
| _.__ || _.__ || _.__ || _.__
+
| 1.05 || 0.97 || 0.90 || 0.84 || 0.70
 
|-
 
|-
 
|}
 
|}
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{{Specs-Avia-Armour}}
 
{{Specs-Avia-Armour}}
 
<!-- ''Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.'' -->
 
<!-- ''Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.'' -->
−
''Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.''
+
 
 +
The MiG-21S (R-13-300) can take hits from calibres lower than 30 mm guns in minor parts, but if the engine is damaged it will surely fall. A missile hit will knock out the fighter instantly or cause it to crash.
  
 
=== Modifications and economy ===
 
=== Modifications and economy ===
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{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
−
! colspan="4" | [[Ballistic Computer]]
+
! colspan="5" | [[Ballistic Computer]]
 
|-
 
|-
−
! CCIP (Guns) !! CCIP (Rockets) !! CCIP (Bombs) !! CCRP (Bombs)
+
! CCIP (Guns) !! CCIP (Rockets) !! CCIP (Bombs) !! CCRP (Bombs) !! EEGS
 
|-
 
|-
−
| {{Tick}} || {{Tick}} || {{Cross}} || {{Cross}}
+
| {{Tick}} || {{Tick}} || {{Cross}} || {{Cross}} || {{Cross}}
 
|-
 
|-
 
|}
 
|}
−
=== Offensive armament ===
 
−
{{Specs-Avia-Offensive}}
 
−
<!-- ''Describe the offensive armament of the aircraft, if any. Describe how effective the cannons and machine guns are in a battle, and also what belts or drums are better to use. If there is no offensive weaponry, delete this subsection.'' -->
 
−
{{main|GSh-23L (23 mm)}}
 
−
 
−
The '''''{{PAGENAME}}''''' is armed with:
 
−
 
−
* 1 x 23 mm GSh-23L cannon, belly-mounted (200 rpg)
 
−
 
 
=== Suspended armament ===
 
=== Suspended armament ===
 
{{Specs-Avia-Suspended}}
 
{{Specs-Avia-Suspended}}
 
<!-- ''Describe the aircraft's suspended armament: additional cannons under the wings, bombs, rockets and torpedoes. This section is especially important for bombers and attackers. If there is no suspended weaponry remove this subsection.'' -->
 
<!-- ''Describe the aircraft's suspended armament: additional cannons under the wings, bombs, rockets and torpedoes. This section is especially important for bombers and attackers. If there is no suspended weaponry remove this subsection.'' -->
−
{{main|OFAB-250sv (250 kg)|FAB-500M-54 (500 kg)}}
 
−
{{main|R-3R|R-3S|S-5K|S-24}}
 
  
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
  
−
* Without load
+
{| class="wikitable" style="text-align:center" width="100%"
 +
|-
 +
! !! width="9%" | 1 !! width="9%" | 2 !! width="9%" | 3 !! width="9%" | 4 !! width="9%" | 5
 +
| rowspan="11" width="30%" | <div class="ttx-image">[[File:Hardpoints_MiG-21bis.png]]</div>
 +
|-
 +
! [[GSh-23L (23 mm)|23 mm GSh-23L]] cannons (200 rpg)
 +
| || || 1 || ||
 +
|-
 +
! [[OFAB-250sv (250 kg)|250 kg OFAB-250sv]] bombs
 +
| 1 || 1 || || 1 || 1
 +
|-
 +
! [[FAB-500M-54 (500 kg)|500 kg FAB-500M-54]] bombs
 +
| || 1 || || 1 ||
 +
|-
 +
! [[ZB-500 incendiary]] bombs
 +
| || 1 || || 1 ||
 +
|-
 +
! [[S-5K]] rockets
 +
| 16 || 16, 32 || || 16, 32 || 16
 +
|-
 +
! [[S-24]] rockets
 +
| 1 || 1 || || 1 || 1
 +
|-
 +
! [[R-3R]] missiles
 +
| 1 || 1 || || 1 || 1
 +
|-
 +
! [[R-3S]] missiles
 +
| 1 || 1 || || 1 || 1
 +
|-
 +
! 490 l drop tanks
 +
| 1 || || 1 || || 1
 +
|-
 +
| colspan="6" | Maximum permissible weight imbalance: 570 kg
 +
|-
 +
|}
 +
 
 +
{{Navigation-Start|Default weapon presets}}
 +
{{Navigation-First-Simple-Line}}
 +
 
 +
* 1 x 23 mm GSh-23L cannon (200 rpg)
 +
* 2 x R-3S missiles + 3 x 490 l drop tanks
 
* 2 x R-3S missiles
 
* 2 x R-3S missiles
 
* 4 x R-3S missiles
 
* 4 x R-3S missiles
 
* 4 x R-3R missiles
 
* 4 x R-3R missiles
−
* 2 x R-3S missiles + 2 x R-3R missiles
 
 
* 64 x S-5K rockets
 
* 64 x S-5K rockets
−
* 96 x S-5K rockets
+
* 64 x S-5K rockets
 
* 4 x S-24 rockets
 
* 4 x S-24 rockets
−
* 64 x S-5K rockets + 2 x R-3S missiles
 
−
* 64 x S-5K rockets + 2 x R-3R missiles
 
−
* 2 x S-24 rockets + 2 x R-3S missiles
 
−
* 2 x S-24 rockets + 2 x R-3R missiles
 
 
* 4 x 250 kg OFAB-250sv bombs (1,000 kg total)
 
* 4 x 250 kg OFAB-250sv bombs (1,000 kg total)
−
* 2 x 250 kg OFAB-250sv bombs + 2 x R-3S missiles (500 kg total)
 
−
* 2 x 250 kg OFAB-250sv bombs + 2 x R-3R missiles (500 kg total)
 
 
* 2 x 500 kg FAB-500M-54 bombs (1,000 kg total)
 
* 2 x 500 kg FAB-500M-54 bombs (1,000 kg total)
 +
* 2 x ZB-500 incendiary bombs
 +
{{Navigation-End}}
 +
 +
The GSh-23L is a very powerful weapon, that requires practice to be used properly. It has a low muzzle velocity and a small ammo pool compared to other planes at its BR. But it compensates this with a very good damage output, being capable of destroying almost any aircraft with a small burst.
 +
 +
The MiG-21S can equip several ordnance options for both air-to-air combat and ground support.
 +
 +
For air-to-air combat, the R-3S and R-3R missiles are the only options. These missiles share the same properties but the R-3S is a caged IR missile, which means that it needs to point directly to the back of an enemy aircraft in order to get a lock. The R-3R in the other hand is a radar guided missile. Unlike the R-3S, it has a small area in which the aircraft can change direction, making it possible to lead the missile towards the direction in which the enemy is heading. The R-3R is overall a better missile but it's hard to use close to the ground due to the lacklustre radar in the MiG-21, and the R-3S is excellent in picking slow moving enemies at any altitude and moment.
 +
 +
For ground ordnance, the MiG-21S has ballistic computers for both rockets and its cannon. So in ground RB it's possible to use it as a multirole fighter, with 2 rocket pods and 2 missiles for air-to-air combat, providing cover to the team.
  
 
== Usage in battles ==
 
== Usage in battles ==
 
<!-- ''Describe the tactics of playing in the aircraft, the features of using aircraft in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view, but instead, give the reader food for thought. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).'' -->
 
<!-- ''Describe the tactics of playing in the aircraft, the features of using aircraft in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view, but instead, give the reader food for thought. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).'' -->
−
''Describe the tactics of playing in the aircraft, the features of using aircraft in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view, but instead, give the reader food for thought. Examine the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''
+
The MiG-21S (R-13-300) is an excellent fighter when used in high altitudes or support roles, where its powerful engine makes it a very awkward opponent.
 +
 
 +
'''Arcade Battles:'''
 +
 
 +
In AB, the MiG-21S will constantly see a multitude of enemies, but the most dangerous ones would be the A-10, the F-5C, and other MiG-21s. In these battles, staying at high altitudes and managing the afterburner use is very important, since missiles like the AIM-9L and R-60M and early radar missiles are a dangerous threat to the MiG-21S due to its lack of countermeasures. Thus, staying fast and high, and using its radar missiles from good positions would make you survive longer and be a more useful teammate.
 +
 
 +
'''Realistic Battles:'''
 +
 
 +
In RB, the MiG-21S should also be used in a support role and at high altitudes but it can also be used as a frontline fighter, with more risk. When flying at altitudes above 5,000 m the MiG-21S easily reaches Mach 1.3, and its radar is free of ground clutter. At this altitude, common enemies are the F-104 Starfighter, other MiG-21s, Harriers, and the F-8E Crusader, the Crusader being the most dangerous thanks to the AIM-9C radar-guided missile and countermeasures. At higher altitudes, the missiles can fly longer and faster, while aircraft became more sluggish due to the thinner atmosphere, which is very beneficial for the R-3Rs since they are very early missiles and can't pull very hard. In a support role, attacking slow aircraft, especially those focused in fights or bomb runs, is a good way to help your team. Its good speed also makes the MiG-21S a very good hunter, attacking damaged aircraft that are retreating back to their airfield.
 +
 
 +
The usual preferred tactic is to fly between 3,000-4,000 m so that most unaware players space climbing at near 5,000 m, such as F-104s or Harriers, won't see your missile being fired in front of them. Some of these planes (exceptions such as the F-5Cs) won't even detect your radar bandwidth as they are limited to I band while the MiG-21S' is J band. And once you reach within 8 km of lock range, fire the missile. At such altitudes the missile will easily intercept them.
 +
 
 +
Speaking of F-5Cs, those planes which are aware of your missiles and evade them when you fire it within 8 km range. Another tactic is to fool them into thinking you will be going for a head-on gun attack. And once you both close-in within 2 km range, fire your R-3R and evade immediately to avoid their canons. Most of the time the enemy in front will not have the time to react to the missile fired just 1 km in front of him.
 +
 
 +
Also, if you keep flying high and each the other end of the map at the start of a match, you are bound to face a bunch of A-10 players flying low just beneath you. So another tactic is to be sneaky and dive sneakily behind them with airbrakes. Achieving a radar lock as you are heading low will be difficult, so its best advised to sneak just behind them slowly and use your guns on them.
 +
 
 +
'''Simulator Battles:'''
 +
 
 +
In SB, the MiG-21S is a more tricky fighter. Because it has a radar with IFF (Identification friend or foe), it can be used in high altitudes to intercept enemy bombers and other fighters. But its lack of countermeasures would cement its future in that role. Fortunately it has an RWR. Something very useful to know when another plane has a radar lock on you. Aside from that, pilots should be extremely careful, because even with an IFF system, the MiG-21S can lock onto allied aircraft and cause friendly fire incidents. For ground loadouts, the MiG-21S has a very bad frontal cockpit visibility, making CAS duties really hard even with the ballistics computer for bombs and rockets.
  
 
=== Pros and cons ===
 
=== Pros and cons ===
 
<!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
 
<!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
−
''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".''
 
  
 
'''Pros:'''
 
'''Pros:'''
  
−
*
+
* Fast aircraft, possesses a powerful engine that will get you to the battle much quicker than most
 +
* Multiple loadouts allow decent CAS/AA options for Ground {{Annotation|RB|Realistic Battles}}
 +
* Radar missiles can surprise opponents not expecting to be engaged at such a distance
 +
* Tight turn rate
  
 
'''Cons:'''
 
'''Cons:'''
  
−
*
+
* Air-to-air missiles are underwhelming and are mostly effective only against inattentive pilots
 +
* Bleeds excessive amounts of energy during turns, making it very tricky to retain energy in dogfights
 +
* Cannon requires careful use due to the limited amount of rounds
 +
* Fuel-hungry engine, 20 minutes of fuel will quickly disappear if not paying attention
 +
* Slow at 30 minutes of fuel
 +
* Lack of any Countermeasures means its a vulnerable target for aircraft with high aspect IR missiles in uptiers
  
 
== History ==
 
== History ==
 
<!-- ''Describe the history of the creation and combat usage of the aircraft in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).'' -->
 
<!-- ''Describe the history of the creation and combat usage of the aircraft in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).'' -->
−
''Describe the history of the creation and combat usage of the aircraft in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).''
+
The MiG-21S was a variant of the MiG-21 family for more multipurpose design. It fitted more fuel capacity, a cannon pod, four hard points and an RP-22 radar. It was delivered exclusively to the Soviet Air Force. This variant included a more capable powerplant, the R11F2S-300 engine, which gave it significantly more thrust.
 +
 
 +
The MiG-21S radar, was a production version of the Sapfir-21 and included several more features for increased survivability and multirole capabilities. It included an ASP-PF-21 computing gunsight with ballistics computer. Included an AP-155 autopiloting system, with an auto recovery system for use in emergencies. The airframe was similar but not the same as that of the MiG-21PFM, since it used the same saddle tank as the MiG-21R. It was capable of carrying the GP-9 cannon pod for the GSh-23L 23 mm gun. Its four hardpoints made it capable of carrying drop tanks, for increased fuel capacity at long flights.
 +
 
 +
In its arsenal, it included the R-3R radar guided missile (K-13R), a semi-active radar-homing missile based in the R-3S (K-13) missile, which was not present in the MiG-21PFM even though it had the same radar as the MiG-21S. This variant of the MiG-21 was produced for 1965 to 1968 and saw no use outside of the Soviet Union.
  
 
== Media ==
 
== Media ==
 
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
 
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
−
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
+
 
 +
;Skins
 +
 
 +
* [https://live.warthunder.com/feed/camouflages/?vehicle=mig-21_s Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
 +
 
 +
;Videos
 +
{{Youtube-gallery|QiTm32YVGWc|'''2 Premiums, One Playstyle: MiG-21 SPS-K & MiG-21S''' - ''Spit_flyer''|XGATU1TiNws|'''High Powered Vulture - MiG-21S Winged Lions''' - ''DEFYN''|_We7EKqMT0I|'''MiG-21S : A Quick Review''' - ''Tims Variety''}}
  
 
== See also ==
 
== See also ==
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* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
 
* ''other literature.'' -->
 
* ''other literature.'' -->
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''Paste links to sources and external resources, such as:''
 
  
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* ''topic on the official game forum;''
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* [https://forum.warthunder.com/index.php?/topic/479893-mig-21mf/ Official data sheet - more details about the performance]
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* ''other literature.''
 
  
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{{AirManufacturer MiG}}
 
{{USSR jet aircraft}}
 
{{USSR jet aircraft}}
 
{{USSR premium aircraft}}
 
{{USSR premium aircraft}}

Latest revision as of 17:01, 6 November 2024

Rank 7 USA
F-5C Pack
This page is about the Soviet jet fighter MiG-21S (R-13-300). For other versions, see MiG-21 (Family).
MiG-21S (R-13-300)
mig-21_s.png
GarageImage MiG-21S (R-13-300).jpg
MiG-21S (R-13-300)
USSR flag.png USSR
VI Rank
Battle rating:
AB RB SB
9.0 9.7 10.0
Class:
PREMIUM
Purchase:8 910 Specs-Card-Eagle.png
Show in game

Description

While the Soviet Air Defence Force (PVO) was content with their MiG-21 variants, the Soviet Air Force (VVS) set out to acquire a better fighter-interceptor, as their current MiG-21PF were mainly suited for heavy interception and light ground attack, with little emphasis on air-to-air combat. Research from Mikoyan OKB quickly resulted in the Ye-7S prototype, a MiG-21PF with the new Sapfir-21 radar, allowing it to mount not only the ASP-PF-21 radar-computing gunsight, but also R-3R (K-13R) semi-active radar guided (SARH) air-to-air missile, increasing the lethality of this aircraft during interception and especially during head-on and side-on engagements with enemy aircraft. The design was greatly favoured by the VVS, and after a small request to also increase the fuel capacity, the MiG-21S was born. The MiG-21S had the extra fuel incorporated in the larger saddle tank taken from the MiG-21R variant, while mounting all the avionics upgrades of the Ye-7S prototype. This aircraft would begin delivery to its only operator, the Soviet Air Force (VVS) in 1965, and would see active combat shortly after, most notably participating in the Invasion of Czechoslovakia in 1968.

Introduced in Update "Winged Lions" as a GE Ge icon.png premium, the MiG-21S is doctrinally very similar to its contemporary second-generation Fishbed variants of similar battle rating. In simple terms, the MiG-21S is just a MiG-21PFM with more fuel and extra hardpoints due to using the chassis of a MiG-21R. The biggest selling point of this aircraft after its incredible flight performance for its battle rating, is the R-3R radar-guided missiles, which allow for head-on and side-on engagement against unaware or overconfident aircraft, if the radar lock conditions permit. The MiG-21S, while excelling in the flight performance and weapons department for its battle rating, is strongly offset by its abysmal survivability. At a battle rating where it is regularly faced with high-G all-aspect missiles such as the AIM-9L and R-60M, this aircraft is strongly limited by the fact that it lacks any form of countermeasures to defend itself against such threats.

General info

Flight performance

Air brakes
Allows you to dramatically reduce the flight speed by releasing special flaps
Drogue parachute
Reduces braking distance when landing on any runway
Max speed
at 13 000 m2 240 km/h
Turn time35 s
Max altitude16 000 m
EngineTumansky R-13-300
Type
Cooling systemAir
Take-off weight10 t

Like all MiG-21s, the MiG-21S is a very fast interceptor. With a powerful engine (the same used by the MiG-21SMT), the MiG-21S has very good acceleration and top speed compared to other supersonic fighters like the MiG-19, the F-100 Super Sabre and the F-105D. Being a delta wing fighter, it's capable of extreme manoeuvres, but it loses speed very quickly and in a few turns it would be stuck at less than 600 km/h.

Characteristics Max Speed
(km/h at 13,000 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 2,190 2,172 16000 36.2 37.0 134.7 126.5 750
Upgraded 2,313 2,240 34.2 35.0 187.6 160.0

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear Drogue chute
X ✓ ✓ ✓ X ✓
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
1365 700 N/A 500 450 ~12 ~6
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 650 < 600 < 950 N/A

Engine performance

Engine Aircraft mass
Engine name Number Basic mass Wing loading (full fuel)
Tumansky R-13-300 1 5,962 kg 359 kg/m2
Engine characteristics Mass with fuel (no weapons load) Max Takeoff
Weight
Weight (each) Type 11m fuel 20m fuel 30m fuel 38m fuel
1,135 kg Afterburning axial-flow turbojet 6,651 kg 7,169 kg 7,773 kg 8,258 kg 9,900 kg
Maximum engine thrust @ 0 m (RB/SB) Thrust to weight ratio @ 0 m (WEP)
Condition 100% WEP 11m fuel 20m fuel 30m fuel 38m fuel MTOW
Stationary 3,825 kgf 6,483 kgf 0.97 0.90 0.83 0.79 0.65
Optimal 3,825 kgf
(0 km/h) 		6,977 kgf
(1,200 km/h) 		1.05 0.97 0.90 0.84 0.70

Survivability and armour

Crew1 person
Speed of destruction
Structural1 365 km/h
Gear700 km/h

The MiG-21S (R-13-300) can take hits from calibres lower than 30 mm guns in minor parts, but if the engine is damaged it will surely fall. A missile hit will knock out the fighter instantly or cause it to crash.

Modifications and economy

Repair cost
AB2 316 Sl icon.png
RB7 225 Sl icon.png
SB6 616 Sl icon.png
Crew training10 000 Sl icon.png
Experts850 000 Sl icon.png
Aces2 400 Ge icon.png
Research Aces1 900 000 Rp icon.png
Reward for battleAB / RB / SB
Talisman.png 2 × 130 / 370 / 600 % Sl icon.png
Talisman.png 2 × 220 / 220 / 220 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods jet compressor.png
Compressor
Mods booster.png
New boosters
Mods aerodinamic wing.png
Wings repair
Mods jet engine.png
Engine
Mods aerodinamic fuse.png
Fuselage repair
Mods armor frame.png
Airframe
Mods g suit.png
G-suit
Mods armor cover.png
Cover
Mods ammo.png
ns23_belt_pack
Mod arrow 1.png
Mods pilon block rocket.png
UB-16
Mod arrow 0.png
Mods napalm fire bomb.png
ZB-500
Mods pilon bomb.png
FAB-250
Mod arrow 1.png
Mods pilon block rocket.png
UB-32
Mod arrow 1.png
Mods air to air missile.png
R-3S
Mod arrow 1.png
Mods weapon.png
ns23_new_gun
Mods pilon bomb.png
FAB-500
Mods jet engine extinguisher.png
EFS
Mods pilon rocket.png
S-24
Mods air to air missile.png
R-3R

Armaments

Ballistic Computer
CCIP (Guns) CCIP (Rockets) CCIP (Bombs) CCRP (Bombs) EEGS
Icon GreenCheckmark.png Icon GreenCheckmark.png Icon RedXCross.png Icon RedXCross.png Icon RedXCross.png

Suspended armament

The MiG-21S (R-13-300) can be outfitted with the following ordnance:

1 2 3 4 5
Hardpoints MiG-21bis.png
23 mm GSh-23L cannons (200 rpg) 1
250 kg OFAB-250sv bombs 1 1 1 1
500 kg FAB-500M-54 bombs 1 1
ZB-500 incendiary bombs 1 1
S-5K rockets 16 16, 32 16, 32 16
S-24 rockets 1 1 1 1
R-3R missiles 1 1 1 1
R-3S missiles 1 1 1 1
490 l drop tanks 1 1 1
Maximum permissible weight imbalance: 570 kg
Default weapon presets
  • 1 x 23 mm GSh-23L cannon (200 rpg)
  • 2 x R-3S missiles + 3 x 490 l drop tanks
  • 2 x R-3S missiles
  • 4 x R-3S missiles
  • 4 x R-3R missiles
  • 64 x S-5K rockets
  • 64 x S-5K rockets
  • 4 x S-24 rockets
  • 4 x 250 kg OFAB-250sv bombs (1,000 kg total)
  • 2 x 500 kg FAB-500M-54 bombs (1,000 kg total)
  • 2 x ZB-500 incendiary bombs

The GSh-23L is a very powerful weapon, that requires practice to be used properly. It has a low muzzle velocity and a small ammo pool compared to other planes at its BR. But it compensates this with a very good damage output, being capable of destroying almost any aircraft with a small burst.

The MiG-21S can equip several ordnance options for both air-to-air combat and ground support.

For air-to-air combat, the R-3S and R-3R missiles are the only options. These missiles share the same properties but the R-3S is a caged IR missile, which means that it needs to point directly to the back of an enemy aircraft in order to get a lock. The R-3R in the other hand is a radar guided missile. Unlike the R-3S, it has a small area in which the aircraft can change direction, making it possible to lead the missile towards the direction in which the enemy is heading. The R-3R is overall a better missile but it's hard to use close to the ground due to the lacklustre radar in the MiG-21, and the R-3S is excellent in picking slow moving enemies at any altitude and moment.

For ground ordnance, the MiG-21S has ballistic computers for both rockets and its cannon. So in ground RB it's possible to use it as a multirole fighter, with 2 rocket pods and 2 missiles for air-to-air combat, providing cover to the team.

Usage in battles

The MiG-21S (R-13-300) is an excellent fighter when used in high altitudes or support roles, where its powerful engine makes it a very awkward opponent.

Arcade Battles:

In AB, the MiG-21S will constantly see a multitude of enemies, but the most dangerous ones would be the A-10, the F-5C, and other MiG-21s. In these battles, staying at high altitudes and managing the afterburner use is very important, since missiles like the AIM-9L and R-60M and early radar missiles are a dangerous threat to the MiG-21S due to its lack of countermeasures. Thus, staying fast and high, and using its radar missiles from good positions would make you survive longer and be a more useful teammate.

Realistic Battles:

In RB, the MiG-21S should also be used in a support role and at high altitudes but it can also be used as a frontline fighter, with more risk. When flying at altitudes above 5,000 m the MiG-21S easily reaches Mach 1.3, and its radar is free of ground clutter. At this altitude, common enemies are the F-104 Starfighter, other MiG-21s, Harriers, and the F-8E Crusader, the Crusader being the most dangerous thanks to the AIM-9C radar-guided missile and countermeasures. At higher altitudes, the missiles can fly longer and faster, while aircraft became more sluggish due to the thinner atmosphere, which is very beneficial for the R-3Rs since they are very early missiles and can't pull very hard. In a support role, attacking slow aircraft, especially those focused in fights or bomb runs, is a good way to help your team. Its good speed also makes the MiG-21S a very good hunter, attacking damaged aircraft that are retreating back to their airfield.

The usual preferred tactic is to fly between 3,000-4,000 m so that most unaware players space climbing at near 5,000 m, such as F-104s or Harriers, won't see your missile being fired in front of them. Some of these planes (exceptions such as the F-5Cs) won't even detect your radar bandwidth as they are limited to I band while the MiG-21S' is J band. And once you reach within 8 km of lock range, fire the missile. At such altitudes the missile will easily intercept them.

Speaking of F-5Cs, those planes which are aware of your missiles and evade them when you fire it within 8 km range. Another tactic is to fool them into thinking you will be going for a head-on gun attack. And once you both close-in within 2 km range, fire your R-3R and evade immediately to avoid their canons. Most of the time the enemy in front will not have the time to react to the missile fired just 1 km in front of him.

Also, if you keep flying high and each the other end of the map at the start of a match, you are bound to face a bunch of A-10 players flying low just beneath you. So another tactic is to be sneaky and dive sneakily behind them with airbrakes. Achieving a radar lock as you are heading low will be difficult, so its best advised to sneak just behind them slowly and use your guns on them.

Simulator Battles:

In SB, the MiG-21S is a more tricky fighter. Because it has a radar with IFF (Identification friend or foe), it can be used in high altitudes to intercept enemy bombers and other fighters. But its lack of countermeasures would cement its future in that role. Fortunately it has an RWR. Something very useful to know when another plane has a radar lock on you. Aside from that, pilots should be extremely careful, because even with an IFF system, the MiG-21S can lock onto allied aircraft and cause friendly fire incidents. For ground loadouts, the MiG-21S has a very bad frontal cockpit visibility, making CAS duties really hard even with the ballistics computer for bombs and rockets.

Pros and cons

Pros:

  • Fast aircraft, possesses a powerful engine that will get you to the battle much quicker than most
  • Multiple loadouts allow decent CAS/AA options for Ground RB
  • Radar missiles can surprise opponents not expecting to be engaged at such a distance
  • Tight turn rate

Cons:

  • Air-to-air missiles are underwhelming and are mostly effective only against inattentive pilots
  • Bleeds excessive amounts of energy during turns, making it very tricky to retain energy in dogfights
  • Cannon requires careful use due to the limited amount of rounds
  • Fuel-hungry engine, 20 minutes of fuel will quickly disappear if not paying attention
  • Slow at 30 minutes of fuel
  • Lack of any Countermeasures means its a vulnerable target for aircraft with high aspect IR missiles in uptiers

History

The MiG-21S was a variant of the MiG-21 family for more multipurpose design. It fitted more fuel capacity, a cannon pod, four hard points and an RP-22 radar. It was delivered exclusively to the Soviet Air Force. This variant included a more capable powerplant, the R11F2S-300 engine, which gave it significantly more thrust.

The MiG-21S radar, was a production version of the Sapfir-21 and included several more features for increased survivability and multirole capabilities. It included an ASP-PF-21 computing gunsight with ballistics computer. Included an AP-155 autopiloting system, with an auto recovery system for use in emergencies. The airframe was similar but not the same as that of the MiG-21PFM, since it used the same saddle tank as the MiG-21R. It was capable of carrying the GP-9 cannon pod for the GSh-23L 23 mm gun. Its four hardpoints made it capable of carrying drop tanks, for increased fuel capacity at long flights.

In its arsenal, it included the R-3R radar guided missile (K-13R), a semi-active radar-homing missile based in the R-3S (K-13) missile, which was not present in the MiG-21PFM even though it had the same radar as the MiG-21S. This variant of the MiG-21 was produced for 1965 to 1968 and saw no use outside of the Soviet Union.

Media

Skins
Videos
2 Premiums, One Playstyle: MiG-21 SPS-K & MiG-21S - Spit_flyer
High Powered Vulture - MiG-21S Winged Lions - DEFYN
MiG-21S : A Quick Review - Tims Variety

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the aircraft;
  • links to approximate analogues of other nations and research trees.

External links


Mikoyan-Gurevich Design Bureau (Микоя́н и Гуре́вич Опытное конструкторское бюро)
Fighters  MiG-3-15 · MiG-3-15 (BK) · MiG-3-34
  I-225
Jet fighters  MiG-9 · MiG-9 (l)
  MiG-15 · MiG-15bis · MiG-15bis ISh
  MiG-17
  MiG-19PT
  MiG-21F-13 · MiG-21PFM · MiG-21S (R-13-300) · MiG-21SMT · MiG-21bis
  MiG-23M · MiG-23ML · MiG-23MLD
  MiG-27M · MiG-27K
  MiG-29 · MiG-29SMT
Export/Licensed  ␗MiG-9 · ␗MiG-9 (l)
  ◊MiG-15bis · ◔MiG-15bis · J-2*
  MiG-17AS · ◔MiG-17PF · J-4* · Shenyang F-5*
  ◊MiG-19S · J-6A*
  ◄MiG-21 SPS-K · ◊MiG-21MF · ◔MiG-21MF · ▄MiG-21bis · ◔MiG-21bis-SAU · ◊MiG-21bis-SAU · ◊MiG-21 "Lazur-M" · ▄MiG-21 Bison · J-7II**
  ◊MiG-23BN · ◊MiG-23MF · ◔MiG-23MF · ◊MiG-23MLA
  ◔MiG-29 · ◊MiG-29 · ◄MiG-29G
  *Licensed and domesticated with Chinese designations.
  **Unlicensed, reverse-engineered and domesticated with Chinese designations.
See Also  Shenyang · Chengdu

USSR jet aircraft
Bereznyak-Isayev  BI
Yakovlev  Yak-15 · Yak-15P · Yak-17 · Yak-23 · Yak-28B · Yak-30D · Yak-38 · Yak-38M · Yak-141
Mikoyan-Gurevich  MiG-9 · MiG-9 (l) · MiG-15 · MiG-15bis · MiG-15bis ISh · MiG-17 · MiG-17AS · MiG-19PT
  MiG-21F-13 · MiG-21PFM · MiG-21S (R-13-300) · MiG-21SMT · MiG-21bis
  MiG-23M · MiG-23ML · MiG-23MLD · MiG-27M · MiG-27K
  MiG-29 · MiG-29SMT
Lavochkin  La-174 · La-15 · La-200
Sukhoi  Su-9 · Su-11
  Su-7B · Su-7BKL · Su-7BMK · Su-17M2 · Su-17M4 · Su-22M3
  Su-24M
  Su-25 · Su-25BM · Su-25K · Su-25T · Su-25SM3 · Su-39
  Su-27 · Su-27SM
  Su-34
Ilyushin  IL-28 · IL-28Sh
Tupolev  Tu-14T

USSR premium aircraft
Fighters  Krasnolutsky's I-15bis · I-16 type 28 · Zhukovsky's I-153-M62 · I-153P · I-180S · I-301 · ITP (M-1)
  LaGG-3-4 · LaGG-3-23 · LaGG-3-34 · Dolgushin's La-7 · La-11
  Eremin's Yak-3(e) · Yak-3 (VK-107) · Yak-3T · Golovachev's Yak-9M
  ▂P-39K-1 · ▂Pokryshkin's P-39N-0 · ▂P-39Q-15 · ▂P-40E-1 · ▂P-47D-27 · ▂P-63A-5 · ▂P-63A-10 · ▂P-63C-5
  ▂Hurricane Mk IIB · ▂Spitfire Mk IXc · ▂Fw 190 D-9
Twin-engine fighters  I-29
Jet fighters  Su-11 · MiG-15bis ISh · MiG-17AS · MiG-21S (R-13-300) · MiG-23ML
Strike aircraft  IL-2M "Avenger" · IL-2 M-82 · IL-8 (1944) · Su-6 · Tandem MAI · TIS MA · Su-8 · Tu-1
  Yak-38 · Su-7BMK · Su-25K · Su-39
Bombers  Po-2M · Be-6 · MBR-2-M-34 · Pe-2-205 · TB-3M-17-32
  ▂PBY-5A Catalina · ▂Hampden TB Mk I · ▂A-20G-30 · ▂B-25J-30

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