Difference between revisions of "JA37D"

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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 rank {{Specs|rank}} Swedish jet fighter {{Battle-rating}}. It was introduced in [[Update "Apex Predators"]].
+
The JA37D is an improvement made over the JA37C, the aircraft received improved avionics, electronic countermeasures in the form of external pods and navigation systems. The cockpit was also modernized. The JA37D retained the same PS 46/A radar from the JA37C, but received the ability to carry the RB 99 missile, which is the Swedish designation of the AIM-120AMRAAM, allowing the aircraft to serve until the JAS 39 Gripen was available.
  
−
The JA37D is a modernized version of the [[JA37C]], introduced in the early 1990s, it served the purpose of modernizing the ageing fleet of viggens in the Swedish air force and includes various improvements over the previous variant. In game, it includes various improvements, in favour of a better pilot experience as to further improve upon BVR (Beyond Visual Range) engagements and have a better overall combat efficiency rating.
+
It was introduced in [[Update "Apex Predators"]]. The '''{{Specs|name}}''' plays very simmilarly to its predecessor, but it now has access to the RB 74, which is the Swedish designation for the AIM-9L, having access to a very capable short-medium range IR missile gives the Viggen the ability to fight at high altitudes and launch missiles to enemies below, however if this tactic is employed be aware of enemy radar missiles. The flight performance stays the same, with the JA37D being an aircraft with a below average acceleration and poor top speed, but with a good turning radius thanks to its delta wing configuration.
  
 
== General info ==
 
== General info ==
Line 19: Line 19:
 
{{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.''
 
  
 
{| class="wikitable" style="text-align:center" width="70%"
 
{| class="wikitable" style="text-align:center" width="70%"
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{| class="wikitable" style="text-align:center" width="50%"
 
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
−
! colspan="6" | Features
+
! colspan="7" | Features
 
|-
 
|-
−
! 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 !! Thrust reversal
 
|-
 
|-
−
| X || X || ✓ || ✓ || X || X    <!-- ✓ -->
+
| X || X || ✓ || ✓ || X || X || {{Annotation|✓*|Only when landed}}     <!-- ✓ -->
 
|-
 
|-
 
|}
 
|}
Line 61: Line 60:
 
! Combat !! Take-off !! Landing !! + !! -
 
! Combat !! Take-off !! Landing !! + !! -
 
|-
 
|-
−
| 1,600 <!--{{Specs|destruction|body}}--> || {{Specs|destruction|gear}} || N/A || N/A || 450 || ~13 || ~3
+
| 1,536 <!--{{Specs|destruction|body}}--> || {{Specs|destruction|gear}} || - || - || 400 || ~13 || ~3
−
|
 
 
|-
 
|-
 
|}
 
|}
Line 72: Line 70:
 
! Ailerons !! Rudder !! Elevators !! Radiator
 
! Ailerons !! Rudder !! Elevators !! Radiator
 
|-
 
|-
−
| < 650 || < 700 || < 900 || N/A
+
| < 865 || < 700 || < 520 || -
 
|-
 
|-
 
|}
 
|}
Line 80: Line 78:
 
|-
 
|-
 
! colspan="3" | Engine
 
! colspan="3" | Engine
−
! colspan="4" | Aircraft mass
+
! colspan="6" | 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="3" | {{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" | Svenska Flygmotor RM8B || 1
 
| colspan="2" | Svenska Flygmotor RM8B || 1
−
| colspan="2" | 10,731 kg || colspan="2" | 364 kg/m<sup>2</sup>
+
| colspan="3" | 12,315 kg || colspan="3" | 334 kg/m<sup>2</sup>
 
|-
 
|-
 
! colspan="3" | Engine characteristics
 
! colspan="3" | Engine characteristics
−
! colspan="3" | Mass with fuel (no weapons load) || rowspan="2" | {{Annotation|Max Gross<br>Weight|Mass of the fully equipped aircraft with heaviest weapons load}}
+
! colspan="5" | Mass with fuel (no weapons load) || rowspan="2" | {{Annotation|Max Gross<br>Weight|Mass of the fully equipped aircraft with heaviest weapons load}}
 
|-
 
|-
 
! Weight (each) || colspan="2" | Type
 
! Weight (each) || colspan="2" | Type
−
! 14m fuel || 20m fuel || 30m fuel
+
! 14m fuel || 20m fuel || 30m fuel || 45m fuel || 48m fuel
 
|-
 
|-
 
| 2,350 kg || colspan="2" | Afterburning low-bypass turbofan
 
| 2,350 kg || colspan="2" | Afterburning low-bypass turbofan
−
| 12,101kg || 12,684kg || 13,661kg || 17,800 kg
+
| 13,635 kg || 14,119 kg || 15,021 kg || 16,374 kg || 16,715 kg || 19,716 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="6" | Thrust to weight ratio @ 0 m (WEP)
 
|-
 
|-
 
! Condition || 100% || WEP
 
! Condition || 100% || WEP
−
! 14m fuel || 20m fuel || 30m fuel || MTOW
+
! 14m fuel || 20m fuel || 30m fuel || 45m fuel || 48m fuel || MGW
 
|-
 
|-
−
| ''Stationary'' || 6,300 kgf || 10,880 kgf
+
| ''Stationary'' || 6,800 kgf || 11,290 kgf
−
| 0.90 || 0.86 || 0.80 || 0.61
+
| 0.83 || 0.80 || 0.75 || 0.69 || 0.68 || 0.57
 
|-
 
|-
−
| ''Optimal'' || 6,800 kgf<br>(0 km/h) || 11,370 kgf<br>(1,400 km/h)
+
| ''Optimal'' || 6,800 kgf<br>(0 km/h) || 16,377 kgf<br>(1,250 km/h)
−
| 0.93 || 0.90 || 0.83 || 0.64
+
| 1.20 || 1.16 || 1.09 || 1.00 || 0.98 || 0.83
 
|-
 
|-
 
|}
 
|}
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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) !! Lead indicator
 
|-
 
|-
−
| {{Tick}} || {{Tick}} || {{Cross}} || {{Cross}}
+
| {{Tick}} || {{Tick}} || {{Cross}} || {{Cross}} || {{Tick}}
 
|-
 
|-
 
|}
 
|}
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The '''''{{PAGENAME}}''''' is armed with:
 
The '''''{{PAGENAME}}''''' is armed with:
  
−
* A choice between three presets:
+
* A choice between two presets:
−
** 1 x 30 mm Akan m/75 cannon, belly-mounted (150 rpg)
+
** 1 x 30 mm Akan m/75 cannon, belly-mounted (150 rpg) + 48 x large calibre countermeasures
−
** 1 x 30 mm Akan m/75 cannon + 48 x large calibre countermeasures
+
** 1 x 30 mm Akan m/75 cannon + 48 x large calibre countermeasures + 320 x countermeasures
−
** 1 x 30 mm Akan m/75 cannon + 368 x large calibre countermeasures
 
  
 
=== 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|RB24J|RB71|RB 74|psrak m/70}}
 
  
−
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance presets:
+
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
  
−
* 1 x 1,250 l drop tank
 
−
* 2 x RB24J missiles
 
−
* 6 x RB24J missiles
 
−
* 6 x RB 74 missiles
 
−
* 2 x RB71 missiles
 
−
* 24 x psrak m/70 rockets
 
−
 
−
==== Custom loadout options ====
 
 
{| class="wikitable" style="text-align:center" width="100%"
 
{| class="wikitable" style="text-align:center" width="100%"
 
|-
 
|-
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| rowspan="6" width="25%" | <div class="ttx-image">[[File:Hardpoints_{{PAGENAME}}.png]]</div>
 
| rowspan="6" width="25%" | <div class="ttx-image">[[File:Hardpoints_{{PAGENAME}}.png]]</div>
 
|-
 
|-
−
! psrak m/70 rockets
+
! [[psrak m/70]] rockets
 
| || 6 || 6 || || 6 || 6 ||
 
| || 6 || 6 || || 6 || 6 ||
 
|-
 
|-
−
! RB24J missiles
+
! [[RB24J]] missiles
 
| 1 || 1 || 1 || || 1 || 1 || 1
 
| 1 || 1 || 1 || || 1 || 1 || 1
 
|-
 
|-
−
! RB71 missiles
+
! [[RB71]] missiles
 
| || 1 || || || || 1 ||
 
| || 1 || || || || 1 ||
 
|-
 
|-
−
! RB 74 missiles
+
! [[RB 74]] missiles
 
| 1 || 1 || 1 || || 1 || 1 || 1
 
| 1 || 1 || 1 || || 1 || 1 || 1
 
|-
 
|-
Line 178: Line 166:
 
|-
 
|-
 
|}
 
|}
 +
 +
{{Navigation-Start|Default weapon presets}}
 +
{{Navigation-First-Simple-Line}}
 +
 +
* 1 x 1,250 l drop tank
 +
* 2 x RB24J missiles
 +
* 6 x RB24J missiles
 +
* 6 x RB 74 missiles
 +
* 2 x RB71 missiles
 +
* 24 x psrak m/70 rockets
 +
{{Navigation-End}}
  
 
== Usage in battles ==
 
== Usage in battles ==
Line 196: Line 195:
 
* Good acceleration
 
* Good acceleration
 
* Can carry highly manoeuvrable missiles, such as the all-aspect RB74 (Swedish license-built AIM-9L) with a 30G maximum overload
 
* Can carry highly manoeuvrable missiles, such as the all-aspect RB74 (Swedish license-built AIM-9L) with a 30G maximum overload
 +
* Equipped with a ballistic lead indicator to assist with gun aiming
  
 
'''Cons:'''
 
'''Cons:'''
  
−
* No tracer rounds making it hard to hit enemy aircraft without prior practice
+
* Very limited ammo supply with only 150 rounds
−
* Very limited ammo supply with only 150 rounds with no tracer belt options
 
 
* No bombs or guided air-to-ground missiles
 
* No bombs or guided air-to-ground missiles
 
* The afterburner's fuel consumption is overwhelmingly fast
 
* The afterburner's fuel consumption is overwhelmingly fast
Line 206: Line 205:
 
== 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).'' -->
−
The JA37D Viggen is an improved variant of the original JA37 Jaktviggen fighter-interceptor, The D variant of the Viggen first began its production in 1993 and served the Swedish airforce until 2006, with its last flight being in December 2007 during a special air show for the Swedish Air Force. The JA37D features improved, avionics, software systems of the previous JA37C, as a modernization for the ageing airframes.  
+
The JA37D Viggen is an improved variant of the original JA37 Jaktviggen fighter-interceptor, The D variant of the Viggen first began its production in 1993 and served the Swedish airforce until 2006, with its last flight being in December 2007 during a special air show for the Swedish Air Force. The JA37D features improved, avionics, software systems of the previous JA37C, as a modernization for the ageing airframes.
  
 
However one of the main changes for the D variant, were the compatibility to equip and use the Rb 99 Air-To-Air Missile (Swedish designation for the AIM-120 AMRAAM). It could also be equipped with a external ECM pod designated as the "Störkapsel U95".<ref>https://sv.wikipedia.org/wiki/JA_37</ref><ref>https://www.aef.se/Flygvapnet/Notiser/JA37_Notis_2.htm</ref>  This allowed it to serve until the late 2000s, before being completely replaced by the more advanced JAS 39 Gripen jet fighter.
 
However one of the main changes for the D variant, were the compatibility to equip and use the Rb 99 Air-To-Air Missile (Swedish designation for the AIM-120 AMRAAM). It could also be equipped with a external ECM pod designated as the "Störkapsel U95".<ref>https://sv.wikipedia.org/wiki/JA_37</ref><ref>https://www.aef.se/Flygvapnet/Notiser/JA37_Notis_2.htm</ref>  This allowed it to serve until the late 2000s, before being completely replaced by the more advanced JAS 39 Gripen jet fighter.
Line 222: Line 221:
 
File:JA37D cockpit upper half.jpg|<small>Interior view of the JA37D cockpit</small>
 
File:JA37D cockpit upper half.jpg|<small>Interior view of the JA37D cockpit</small>
 
File:JA37D cockpit lower half.jpg|<small>Interior cockpit instruments view inside the JA37D cockpit</small>
 
File:JA37D cockpit lower half.jpg|<small>Interior cockpit instruments view inside the JA37D cockpit</small>
 +
File:JA37D Thunder God.jpg|<small>JA37D Thunder God camouflage</small>
 
</gallery>
 
</gallery>
  
Line 239: Line 239:
 
* [[wikipedia:Saab_37_Viggen#Variants|[Wikipedia] Saab 37 Viggen - Variants]]
 
* [[wikipedia:Saab_37_Viggen#Variants|[Wikipedia] Saab 37 Viggen - Variants]]
  
 +
{{AirManufacturer Saab}}
 
{{Sweden jet aircraft}}
 
{{Sweden jet aircraft}}
 
<references />
 
<references />

Latest revision as of 11:44, 10 March 2024

Rank VI USA | Premium | Golden Eagles
A-10A Thunderbolt (Early)
This page is about the Swedish jet fighter JA37D. For other versions, see SAAB 37 Viggen (Family).
JA37D
saab_ja37d.png
GarageImage JA37D.jpg
JA37D
Sweden flag.png Sweden
VIII Rank
Battle rating:
AB RB SB
12.3 12.0 11.7
Class:
Research:400 000 Specs-Card-Exp.png
Purchase:1 080 000 Specs-Card-Lion.png
Show in game

Description

The JA37D is an improvement made over the JA37C, the aircraft received improved avionics, electronic countermeasures in the form of external pods and navigation systems. The cockpit was also modernized. The JA37D retained the same PS 46/A radar from the JA37C, but received the ability to carry the RB 99 missile, which is the Swedish designation of the AIM-120AMRAAM, allowing the aircraft to serve until the JAS 39 Gripen was available.

It was introduced in Update "Apex Predators". The JA37D Viggen plays very simmilarly to its predecessor, but it now has access to the RB 74, which is the Swedish designation for the AIM-9L, having access to a very capable short-medium range IR missile gives the Viggen the ability to fight at high altitudes and launch missiles to enemies below, however if this tactic is employed be aware of enemy radar missiles. The flight performance stays the same, with the JA37D being an aircraft with a below average acceleration and poor top speed, but with a good turning radius thanks to its delta wing configuration.

General info

Flight performance

Air brakes
Allows you to dramatically reduce the flight speed by releasing special flaps
Max speed
at 11 000 m1 998 km/h
Turn time25 s
Max altitude14 500 m
EngineSvenska Flygmotor RM8B
Type
Cooling systemAir
Take-off weight19 t
Characteristics Max speed
(km/h at 11,000 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 1,923 1,877 14500 26.1 26.3 168.4 157.8 500
Upgraded 2,062 1,998 23.9 25.0 234.1 200.0

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear Drogue chute Thrust reversal
X X ✓ ✓ X X ✓*
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
1,536 620 - - 400 ~13 ~3
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 865 < 700 < 520 -

Engine performance

Engine Aircraft mass
Engine name Number Basic mass Wing loading (full fuel)
Svenska Flygmotor RM8B 1 12,315 kg 334 kg/m2
Engine characteristics Mass with fuel (no weapons load) Max Gross
Weight
Weight (each) Type 14m fuel 20m fuel 30m fuel 45m fuel 48m fuel
2,350 kg Afterburning low-bypass turbofan 13,635 kg 14,119 kg 15,021 kg 16,374 kg 16,715 kg 19,716 kg
Maximum engine thrust @ 0 m (RB/SB) Thrust to weight ratio @ 0 m (WEP)
Condition 100% WEP 14m fuel 20m fuel 30m fuel 45m fuel 48m fuel MGW
Stationary 6,800 kgf 11,290 kgf 0.83 0.80 0.75 0.69 0.68 0.57
Optimal 6,800 kgf
(0 km/h) 		16,377 kgf
(1,250 km/h) 		1.20 1.16 1.09 1.00 0.98 0.83

Survivability and armour

Flares/Chaff
Aircraft countermeasures to distract IR and radar-guided missiles and also AA radar
Crew1 person
Speed of destruction
Structural0 km/h
Gear620 km/h

The JA37D, being mainly used for fighter-interceptor purposes, is not equipped with any sort of armour plating against ammunition. While a hit at close range has a high probability of damaging the control systems, a hit from a further distance will probably not cause any considerable damage to the aforementioned controls, however, the fuel tank above the engine does pose a great vulnerability when being fired upon. As a result of the fuel tanks' placement, a fire is a constant threat. Apart from the fuel tanks, the large ailerons are an easy target, and losing a single one will result in loss of control over the aircraft.

Modifications and economy

Repair costBasic → Reference
AB2 914 → 4 225 Sl icon.png
RB8 530 → 12 368 Sl icon.png
SB9 717 → 14 089 Sl icon.png
Total cost of modifications306 000 Rp icon.png
472 000 Sl icon.png
Talisman cost3 100 Ge icon.png
Crew training310 000 Sl icon.png
Experts1 080 000 Sl icon.png
Aces3 400 Ge icon.png
Research Aces1 280 000 Rp icon.png
Reward for battleAB / RB / SB
100 / 320 / 540 % Sl icon.png
250 / 250 / 250 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods jet compressor.png
Compressor
Research:
15 000 Rp icon.png
Cost:
23 000 Sl icon.png
380 Ge icon.png
Mods booster.png
New boosters
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
350 Ge icon.png
Mods jet engine.png
Engine
Research:
50 000 Rp icon.png
Cost:
77 000 Sl icon.png
1 300 Ge icon.png
Mods aerodinamic fuse.png
Fuselage repair
Research:
15 000 Rp icon.png
Cost:
23 000 Sl icon.png
380 Ge icon.png
Mods armor frame.png
Airframe
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
350 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
19 000 Rp icon.png
Cost:
29 000 Sl icon.png
480 Ge icon.png
Mods armor cover.png
Cover
Research:
50 000 Rp icon.png
Cost:
77 000 Sl icon.png
1 300 Ge icon.png
Mods heli false thermal targets.png
Flares/Chaff
Research:
15 000 Rp icon.png
Cost:
23 000 Sl icon.png
380 Ge icon.png
Mod arrow 0.png
Mods ammo.png
akan_m75_belt_pack
Research:
15 000 Rp icon.png
Cost:
23 000 Sl icon.png
380 Ge icon.png
Mod arrow 1.png
Mods heli false thermal targets.png
Flares/Chaff
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
350 Ge icon.png
Mods air to air missile.png
RB24J
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
350 Ge icon.png
Mod arrow 0.png
Mods pilon block rocket.png
m/70
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
350 Ge icon.png
Mods g suit.png
G-suit
Research:
19 000 Rp icon.png
Cost:
29 000 Sl icon.png
480 Ge icon.png
Mods weapon.png
akan_m75_new_gun
Research:
19 000 Rp icon.png
Cost:
29 000 Sl icon.png
480 Ge icon.png
Mods air to air missile.png
RB 74
Research:
19 000 Rp icon.png
Cost:
29 000 Sl icon.png
480 Ge icon.png

Armaments

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

Offensive armament

Main article: Akan m/75 (30 mm)

The JA37D is armed with:

  • A choice between two presets:
    • 1 x 30 mm Akan m/75 cannon, belly-mounted (150 rpg) + 48 x large calibre countermeasures
    • 1 x 30 mm Akan m/75 cannon + 48 x large calibre countermeasures + 320 x countermeasures

Suspended armament

The JA37D can be outfitted with the following ordnance:

1 2 3 4 5 6 7
Hardpoints JA37D.png
psrak m/70 rockets 6 6 6 6
RB24J missiles 1 1 1 1 1 1
RB71 missiles 1 1
RB 74 missiles 1 1 1 1 1 1
1,250 l drop tanks 1
Default weapon presets
  • 1 x 1,250 l drop tank
  • 2 x RB24J missiles
  • 6 x RB24J missiles
  • 6 x RB 74 missiles
  • 2 x RB71 missiles
  • 24 x psrak m/70 rockets

Usage in battles

The JA37D is a highly manoeuvrable aircraft and outperforms most jets in its class, especially at lower altitudes (< 3,000 m). At higher altitudes, the Viggen remains manoeuvrable but, due to its delta-canard configuration, it is prone to losing speed and energy rather fast. This however does not pose much of an issue thanks to the aircraft's effective engine and high rate of acceleration at speeds above 700 km/h and aerodynamics.

In the case of a close range dogfight, you should avoid using AAMs and instead opt for the aircraft's cannon, taking advantage of its high muzzle velocity.

If an enemy positions themselves directly behind you, do not hesitate to use your airbrakes as these are very effective in defensive manoeuvres to regain control of the engagement.

Pros and cons

Pros:

  • Large amount of countermeasures
  • Can carry a drop tank extending the plane's range
  • Good acceleration
  • Can carry highly manoeuvrable missiles, such as the all-aspect RB74 (Swedish license-built AIM-9L) with a 30G maximum overload
  • Equipped with a ballistic lead indicator to assist with gun aiming

Cons:

  • Very limited ammo supply with only 150 rounds
  • No bombs or guided air-to-ground missiles
  • The afterburner's fuel consumption is overwhelmingly fast

History

The JA37D Viggen is an improved variant of the original JA37 Jaktviggen fighter-interceptor, The D variant of the Viggen first began its production in 1993 and served the Swedish airforce until 2006, with its last flight being in December 2007 during a special air show for the Swedish Air Force. The JA37D features improved, avionics, software systems of the previous JA37C, as a modernization for the ageing airframes.

However one of the main changes for the D variant, were the compatibility to equip and use the Rb 99 Air-To-Air Missile (Swedish designation for the AIM-120 AMRAAM). It could also be equipped with a external ECM pod designated as the "Störkapsel U95".[1][2] This allowed it to serve until the late 2000s, before being completely replaced by the more advanced JAS 39 Gripen jet fighter.

Media

Skins
Images

  • JA37D taking off from airstrip on the Denmark test flight map

  • Interior view of the JA37D cockpit

  • Interior cockpit instruments view inside the JA37D cockpit

  • JA37D Thunder God camouflage

See also

External links


Swedish Aeroplane Company Ltd. (SAAB)
  Pre-SAAB: SA / ASJA
SA 'Jaktfalken'  J6B
SAAB 17  B17A · B17B · S17BS
SAAB 18  B18A · B18B · T18B · T18B (57)
SAAB 21  J21A-1 · J21A-2 · A21A-3 · J21RA · A21RB
SAAB 29 'Tunnan'  J29A · A29B · J29D · J29F
SAAB 32 'Lansen'  J32B · A32A · A32A Röd Adam
SAAB 35 'Draken'  J35A · J35D
SAAB 37 'Viggen'  JA37C · JA37D · JA37DI · JA37DI F21 · AJ37 · AJS37
SAAB 39 'Gripen'  JAS39A · JAS39C
SAAB 105  SK60B · SAAB-105G
License Production  B3C (Ju 86K)
Export  SAAB-105OE · J35XS · ▄JAS39C · ◔JAS39EBS HU C

Sweden jet aircraft
Fighters  J21RA
  J29A · A29B · J29D · J29F
  J32B
  J34
  J35A · J35D
  JA37C · JA37D · JA37DI · JA37DI F21
  JAS39A · JAS39C
Strike aircraft  A21RB
  A32A · A32A Röd Adam
  A28B
  AJ37 · AJS37
  SK60B · SAAB-105G
Export  SAAB-105OE
Finland  ▄Vampire FB 52A · ▄MiG-21bis · Saab J35XS

  1. ↑ https://sv.wikipedia.org/wiki/JA_37
  2. ↑ https://www.aef.se/Flygvapnet/Notiser/JA37_Notis_2.htm
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