Difference between revisions of "G.91 YS"

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{{About
 
{{About
 
| about = Italian jet fighter '''{{PAGENAME}}'''
 
| about = Italian jet fighter '''{{PAGENAME}}'''
−
| usage = other uses
+
| usage = other versions
 
| link = G.91 (Family)
 
| link = G.91 (Family)
 
}}
 
}}
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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}} Italian jet fighter {{Battle-rating}}. It was introduced in [[Update 1.87 "Locked On"]].
+
The '''{{Specs|name}}''' was based in the earlier G.91 Y, which was a complete redesign of the G.91 series of aircraft, going from a small and light airframe to a heavier and more capable one, with two afterburning engines, a longer range, and a bigger payload for ground attack missions. The G.91 YS was a version of this fighter developed for Switzerland, the main difference was slightly modified avionics and the addition of more modern loadouts, such as AIM-9 Sidewinders. Though the country was interested in acquiring the G.91, the purchase was never completed.
  
−
The {{PAGENAME}} is a multi-role fighter which first debuted in 1966. Based largely on earlier Fiat G.91 fighters, the G.91 YS was a complete redesign but kept the basic shape of the G.91 series. The biggest difference between the two types was the conversion from a single-engine to two General Electric J85 turbojets outfitted with afterburners. This conversion alone resulted in a 60% increase in the aircraft's thrust, however, it was not enough for this jet to become supersonic even when in a dive.
+
It was introduced in [[Update 1.87 "Locked On"]]. In similar fashion to the French [[Super Mystere B2]], the {{PAGENAME}} was outfitted with dual 30 mm DEFA autocannons in the cheeks of the forward fuselage. Also in the same vein, the {{PAGENAME}} was built to be a multi-role fighter as a fighter-interceptor or a fighter-bomber. Due to the increased power of the dual engines, this fighter when acting in a bomber role has the ability to carry up to 4,000 lbs of bombs, though configurations as low as 1,000 lbs is available. FFAR Mighty Mouse unguided rockets are another good option for taking out softer ground targets, since they have the potential to destroy a higher number of enemies in the hands of a skilled pilot. For air combat, the G.91 YS lacks countermeasures but compensates this with a very good flight performance, however it has a mediocre top speed, in a BR when most fighters are already supersonic; keep your speed high at all times or else you might become vulnerable to missiles and fast interceptors like the MiG-21s and F-104s that start to be very common.
−
 
 
−
In similar fashion to the earlier French fighter, the [[Super_Mystere_B2|Super Mystere B2]], the {{PAGENAME}} was outfitted with dual 30 mm DEFA autocannons in the cheeks of the forward fuselage. Also in the same vein, the {{PAGENAME}} was built to be a multi-role fighter as a fighter-interceptor or a fighter-bomber. Due to the increased power of the dual engines, this fighter when acting in a bomber role has the ability to carry up to 4,000 lbs of bombs, though configurations as low as 1,000 lbs is available. FFAR Mighty Mouse unguided rockets are another good option for taking out softer ground targets in which the larger 500 – 1,000 lb bombs would otherwise be overkill.
 
−
 
 
−
The {{PAGENAME}} while lacking in the supersonic flight department is a feisty little fellow which can still hold its own in an air-to-air combat role. The dual autocannons can make quick work of any head-on attacks provided the pilot gets out of the way of incoming bullets in return. AIM-9B Sidewinder missiles prove themselves very effective especially against slower targets such as bombers and helicopters but are a bit more difficult to achieve success against other fighters due to their ability to pull high-g manoeuvres and break the missile lock and avoid them.
 
−
 
 
−
The pilot has the option to change up the load-out of the aircraft due to the map he finds himself on and what they are comfortable with. Air-to-air and ground-attack options are both viable and can help change the tide of the battle by loading up on what the team needs more.
 
  
 
== 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.'' -->
−
The {{PAGENAME}} is a very good Boom & Zoom fighter, the only issue is confronting other jets with afterburner capabilities which make your Boom & Zoom attempt more difficult. The G.91 has a lower turn speed than the other G.91's (swapped for acceleration and a little bit more speed) it is also two high power engine's, making it possible to return to base on one engine or even fight like that if you want. Sadly the G.91 isn't supersonic but it can get close in a steep dive, making it one of the best trans-sonic jets ever made!
+
[[File:G91YS Jermster 91 001.jpg|300px|thumb|right|A bird's eye view of a {{PAGENAME}} fighter.]]
−
[[File:G91YS Jermster 91 001.jpg|350px|thumb|left|A bird's eye view of a '''{{PAGENAME}}''' fighter.]]
+
The {{PAGENAME}} is a very good Boom & Zoom fighter, the only issue is confronting other jets with afterburner capabilities which make your Boom & Zoom attempt more difficult. The YS has a lower turn speed than the other G.91s (swapped for acceleration and a little bit more speed) it is also two high power engines, making it possible to return to base on one engine or even fight like that if you want. Sadly the G.91 isn't supersonic but it can get close in a steep dive, making it one of the best trans-sonic jets!
−
{{break}}
+
 
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="70%"
 
! rowspan="2" | Characteristics
 
! rowspan="2" | Characteristics
−
! colspan="2" | Max Speed<br>(km/h at 0 m - at sea level)
+
! colspan="2" | Max Speed<br>(km/h at 0 m - sea level)
−
! rowspan="2" | Max altitude<br>(meters)
+
! rowspan="2" | Max altitude<br>(metres)
 
! colspan="2" | Turn time<br>(seconds)
 
! colspan="2" | Turn time<br>(seconds)
−
! colspan="2" | Rate of climb<br>(meters/second)
+
! colspan="2" | Rate of climb<br>(metres/second)
−
! rowspan="2" | Take-off run<br>(meters)
+
! rowspan="2" | Take-off run<br>(metres)
 
|-
 
|-
 
! AB !! RB !! AB !! RB !! AB !! RB
 
! AB !! RB !! AB !! RB !! AB !! RB
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|-
 
|-
 
! Upgraded
 
! Upgraded
−
| 1,131 || 1,123 || 28.6 || 29.0 || 91.8 || 75
+
| 1,131 || 1,123 || 28.6 || 29.0 || 91.8 || 75.0
 
|-
 
|-
 
|}
 
|}
  
 
==== Details ====
 
==== Details ====
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
 
! colspan="6" | Features
 
! colspan="6" | Features
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|}
 
|}
  
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
 
! colspan="7" | Limits
 
! colspan="7" | Limits
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! Combat !! Take-off !! Landing !! + !! -
 
! Combat !! Take-off !! Landing !! + !! -
 
|-
 
|-
−
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || 620 || 620 || 371 || ~11 || ~4
+
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || 592 || 556 || 371 || ~11 || ~4
 
|-
 
|-
 
|}
 
|}
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Like many later generation jet fighters (those built in the 1960s-70s) the {{PAGENAME}} traded armour for greater ordnance carrying capacity. Though not without all armour, the canopy windshield has an effective thickness of 94 mm to protect the pilot in the event of a head-on attack. Though the 6.5 mm of steel behind the pilot's seat seem to be on the thin side, bullets coming in from that direction will need to pass through the engine first. If the pilot is going to be hit by bullets it will most likely be through side angle shots or from above.
 
Like many later generation jet fighters (those built in the 1960s-70s) the {{PAGENAME}} traded armour for greater ordnance carrying capacity. Though not without all armour, the canopy windshield has an effective thickness of 94 mm to protect the pilot in the event of a head-on attack. Though the 6.5 mm of steel behind the pilot's seat seem to be on the thin side, bullets coming in from that direction will need to pass through the engine first. If the pilot is going to be hit by bullets it will most likely be through side angle shots or from above.
−
[[File:G91YS AgressiveRecon 001.jpg|700px|thumb|center|Aerial shot of a '''{{PAGENAME}}''' at altitude.]]
+
[[File:G91YS AgressiveRecon 001.jpg|700px|thumb|center|Aerial shot of a {{PAGENAME}} at altitude.]]
  
 
=== Modifications and economy ===
 
=== Modifications and economy ===
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== Armaments ==
 
== Armaments ==
 
{{Specs-Avia-Armaments}}
 
{{Specs-Avia-Armaments}}
 +
{| class="wikitable" style="text-align:center"
 +
|-
 +
! colspan="4" | [[Ballistic Computer]]
 +
|-
 +
! CCIP (Guns) !! CCIP (Rockets) !! CCIP (Bombs) !! CCRP (Bombs)
 +
|-
 +
| {{Tick}} || {{Tick}} || {{Tick}} || {{Cross}}
 +
|-
 +
|}
 
=== Offensive armament ===
 
=== Offensive armament ===
 +
[[File:G91YS CrazyJow 001.jpg|400px|thumb|right|'''{{PAGENAME}}''' fighter with the sun setting behind it.]]
 
{{Specs-Avia-Offensive}}
 
{{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.'' -->
 
<!-- ''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|DEFA 552 (30 mm)}}
 
{{main|DEFA 552 (30 mm)}}
−
[[File:G91YS CrazyJow 001.jpg|400px|thumb|right|'''{{PAGENAME}}''' fighter with the sun setting behind it.]]
 
  
 
The '''''{{PAGENAME}}''''' is armed with:
 
The '''''{{PAGENAME}}''''' is armed with:
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{{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|LDGP Mk 82 (500 lb)|LDGP Mk 83 (1,000 lb)|FFAR Mighty Mouse|AIM-9B}}
 
  
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
 +
 +
{| class="wikitable" style="text-align:center" width="100%"
 +
|-
 +
! !! width="7%" | 1 !! width="7%" | 2 !! width="7%" | 3 !! width="7%" | 4 !! width="7%" | 5 !! width="7%" | 6
 +
| rowspan="9" width="30%" | <div class="ttx-image">[[File:Hardpoints_{{PAGENAME}}.png]]</div>
 +
|-
 +
! [[LDGP Mk 82 (500 lb)|500 lb LDGP Mk 82]] bombs
 +
| || 1 || 1 || 1 || 1 ||
 +
|-
 +
! [[Mk 82 Snakeye (500 lb)|500 lb Mk 82 Snakeye]] bombs
 +
| || 1 || 1 || 1 || 1 ||
 +
|-
 +
! [[LDGP Mk 83 (1,000 lb)|1,000 lb LDGP Mk 83]] bombs
 +
| || 1 || 1 || 1 || 1 ||
 +
|-
 +
! [[Aerea 559G1 incendiary]] bombs
 +
| || || 1 || 1 || ||
 +
|-
 +
! [[FFAR Mighty Mouse]] rockets
 +
| || 19 || 19 || 19 || 19 ||
 +
|-
 +
! [[Zuni Mk32 Mod 0 ATAP]] rockets
 +
| || 4 || 4 || 4 || 4 ||
 +
|-
 +
! [[AIM-9B Sidewinder]] missiles
 +
| 1 || || || || || 1
 +
|-
 +
| colspan="7" | Maximum permissible loadout weight: 1,815 kg<br>Maximum permissible wing load: 1,000 kg<br>Maximum permissible weight imbalance: 800 kg
 +
|-
 +
|}
 +
 +
{{Navigation-Start|Default weapon presets}}
 +
{{Navigation-First-Simple-Line}}
  
 
* Without load
 
* Without load
 
* 2 x 500 lb LDGP Mk 82 bombs (1,000 lb total)
 
* 2 x 500 lb LDGP Mk 82 bombs (1,000 lb total)
 
* 4 x 500 lb LDGP Mk 82 bombs (2,000 lb total)
 
* 4 x 500 lb LDGP Mk 82 bombs (2,000 lb total)
 +
* 4 x 500 lb Mk 82 Snakeye bombs (2,000 lb total)
 
* 2 x 1,000 lb LDGP Mk 83 bombs (2,000 lb total)
 
* 2 x 1,000 lb LDGP Mk 83 bombs (2,000 lb total)
 
* 4 x 1,000 lb LDGP Mk 83 bombs (4,000 lb total)
 
* 4 x 1,000 lb LDGP Mk 83 bombs (4,000 lb total)
 
* 76 x FFAR Mighty Mouse rockets
 
* 76 x FFAR Mighty Mouse rockets
−
* 2 x AIM-9B missiles
+
* 16 x Zuni Mk32 Mod 0 ATAP rockets
−
* 2 x 500 lb LDGP Mk 82 bombs + 2 x AIM-9B missiles (1,000 lb total)
+
* 2 x AIM-9B Sidewinder missiles
−
* 4 x 500 lb LDGP Mk 82 bombs + 2 x AIM-9B missiles (2,000 lb total)
+
* 2 x Aerea 559G1 incendiary bombs
−
* 2 x 1,000 lb LDGP Mk 83 bombs + 2 x AIM-9B missiles (2,000 lb total)
+
{{Navigation-End}}
−
* 4 x 1,000 lb LDGP Mk 83 bombs + 2 x AIM-9B missiles (4,000 lb total)
 
−
* 2 x AIM-9B missiles + 76 x FFAR Mighty Mouse rockets
 
  
 
== 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).'' -->
−
The YS has a lot of power and energy potential, keep that in mind before going into battle. To add to this fighters punch, it also utilises AIM 9B missiles and in capable hands, this fighter can be a monster on the battlefield. The YS also has the capability of mounting 76 x FFAR Mighty Mouse rockets which provide the potential of low-altitude Boom & Zooming on trucks, anti-aircraft artillery, light tanks and even enemy fighters attempting an airfield capture, though this does not come without a cost. When dropping in low on ground targets, the fighter sacrifices its speed and manoeuvrability for that ordinance. The YS also can outfit a few bombs so the YS can then be used as a base bomber following up by attacking enemy fighters, but even still it isn't always reliable and can be easily intercepted from any other supersonic fighter jets patrolling the area.
+
The G.91 YS has a lot of power and energy potential, keep that in mind before going into battle. To add to this fighters punch, it also utilises AIM 9B missiles and in capable hands, this fighter can be a monster on the battlefield. The YS also has the capability of mounting 76 x FFAR Mighty Mouse rockets which provide the potential of low-altitude Boom & Zooming on trucks, anti-aircraft artillery, light tanks and even enemy fighters attempting an airfield capture, though this does not come without a cost. When dropping in low on ground targets, the fighter sacrifices its speed and manoeuvrability for that ordnance. The YS also can outfit a few bombs so the YS can then be used as a base bomber following up by attacking enemy fighters, but even still it isn't always reliable and can be easily intercepted from any other supersonic fighter jets patrolling the area.
  
−
Your biggest threats will be F-4C's, Mig 19S/PT, F-100D, Mitsubishi T2, J-6A, J-7II, Hunter F.6, mainly because they have superior speed and ordinance, The Hunter is probably the best-matched jet to the {{PAGENAME}}. The only top tier jet which should not be too much of a pain is the Super Mystere B2, and F-86K because they have limited speed and slow acceleration compared and will never win in a vertical climb against the {{PAGENAME}}.
+
Your biggest threats will be F-4Cs, MiG-19S/PT, F-100D, Mitsubishi T2, J-6A, J-7II, Hunter F.6, mainly because they have superior speed and ordnance. The Hunter is probably the best-matched jet to the {{PAGENAME}}. The only top tier jet which should not be too much of a pain is the Super Mystere B2, and F-86K because they have limited speed and slow acceleration compared and will never win in a vertical climb against the {{PAGENAME}}.
  
 
=== 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".'' -->
−
[[File:G91YS easterly0815 001.png |400px|thumb|right|'''{{PAGENAME}}''' popping its braking parachute upon landing.]]
+
[[File:G91YS easterly0815 001.png |400px|thumb|right|{{PAGENAME}} popping its braking parachute upon landing.]]
 
'''Pros:'''
 
'''Pros:'''
  
 
* Excellent acceleration and roll speed
 
* Excellent acceleration and roll speed
−
* Able to carry [[AIM-9B]] air-to-air missiles
+
* Able to carry air-to-air missiles
 
* Wide variety of payload options
 
* Wide variety of payload options
 
* High rate of climb
 
* High rate of climb
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* Slower than most planes it will face
 
* Slower than most planes it will face
 
* Limited ammo
 
* Limited ammo
−
* Slower turn rate compared to earlier G.91's
+
* Slower turn rate compared to earlier G.91s
−
* High repair cost
 
 
* Flaps and landing gear are prone to ripping off
 
* Flaps and landing gear are prone to ripping off
 
* New booster module is a must to research in order to avoid crashing during a very fast and low-level dive
 
* New booster module is a must to research in order to avoid crashing during a very fast and low-level dive
−
 
+
* AIM-9Bs have a poorer performance other air-to-air missiles at this BR
−
[[AIM-9B]]
+
* No countemeasures
  
 
== 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).'' -->
−
[[File:G91YS Jermster 91 002.jpg|400px|thumb|right|'''{{PAGENAME}}''' heading into an active battle zone.]]
+
[[File:G91YS Jermster 91 002.jpg|400px|thumb|right|A {{PAGENAME}} heading into an active battle zone.]]
 
During the 1960s, Fiat began developing a successor to their previous G.91 fighter, which had thus far managed to obtain a favourable reputation with its operators. Fiat based their new aircraft heavily on the two-seat trainer version of the G.91 and decided outfit the aircraft with two General Electric J85 afterburning engines contrary to the preceding single-engine G.91.
 
During the 1960s, Fiat began developing a successor to their previous G.91 fighter, which had thus far managed to obtain a favourable reputation with its operators. Fiat based their new aircraft heavily on the two-seat trainer version of the G.91 and decided outfit the aircraft with two General Electric J85 afterburning engines contrary to the preceding single-engine G.91.
  
−
Additionally, the aircraft's fuselage and wings were enlarged to accommodate 3 more fuel tanks (for a total capacity of 3200 liters), bigger powerplant and improve handling characteristics, while a slew of other tweaks and upgrades further enhanced the aircraft's overall design, including an automatic slat on the wing's leading edge. The new G.91Y performed its maiden flight in December 1966. Testing revealed minor aerodynamic issues which would be resolved on subsequent production aircraft with only minor redesigns. At high altitude extreme maneuvers at high angles of attack could lead to engines flame-out.  
+
Additionally, the aircraft's fuselage and wings were enlarged to accommodate 3 more fuel tanks (for a total capacity of 3200 liters), bigger powerplant and improve handling characteristics, while a slew of other tweaks and upgrades further enhanced the aircraft's overall design, including an automatic slat on the wing's leading edge. The new G.91Y performed its maiden flight in December 1966. Testing revealed minor aerodynamic issues which would be resolved on subsequent production aircraft with only minor redesigns. At high altitude extreme manoeuvres at high angles of attack could lead to engines flame-out.
  
 
Production of the G.91Y began with an initial order for 20 pre-production machines, following the manufacturing of two prototypes. This order would eventually go up to 75 aircraft, although only 67 including the initial prototypes were delivered in the end. By the mid 1970s, all outstanding orders for the G.91Y were fulfilled and production had ceased for this variant.
 
Production of the G.91Y began with an initial order for 20 pre-production machines, following the manufacturing of two prototypes. This order would eventually go up to 75 aircraft, although only 67 including the initial prototypes were delivered in the end. By the mid 1970s, all outstanding orders for the G.91Y were fulfilled and production had ceased for this variant.
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The G.91YS was a single prototype conversion of the G.91Y, which followed a requirement issued by the Swiss Air Force. The aircraft allowed installation of American Sidewinder air-to-air missiles (adding 2 more sub-wing pylons) and a Swedish weapons control system. This special prototype first flew in October 1970, but was eventually not accepted into service by the Swiss. The prototype was converted back into service as a regular G.91Y.
 
The G.91YS was a single prototype conversion of the G.91Y, which followed a requirement issued by the Swiss Air Force. The aircraft allowed installation of American Sidewinder air-to-air missiles (adding 2 more sub-wing pylons) and a Swedish weapons control system. This special prototype first flew in October 1970, but was eventually not accepted into service by the Swiss. The prototype was converted back into service as a regular G.91Y.
  
−
''- From [https://warthunder.com/en/news/6078-development-g-91ys-turning-and-burning-en Devblog]''
+
''- From [[wt:en/news/6078-development-g-91ys-turning-and-burning-en|Devblog]]''
  
 
== 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.'' -->
 +
 +
;Skins
 +
 +
* [https://live.warthunder.com/feed/camouflages/?vehicle=fiat_g91_ys Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
  
 
;Images
 
;Images
−
<div><ul>
+
<gallery mode="packed" heights="200">
−
<li style="display: inline-block;"> [[File:G91YS_WTWallpaper_001.jpg|thumb|none|250px|]] </li>
+
File:G91YS_WTWallpaper_001.jpg
−
<li style="display: inline-block;"> [[File:G91YS_WTWallpaper_002.jpg|thumb|none|250px|]] </li>
+
File:G91YS_WTWallpaper_002.jpg
−
<li style="display: inline-block;"> [[File:G91YS_WTWallpaper_003.jpg|thumb|none|250px|]] </li>
+
File:G91YS_WTWallpaper_003.jpg
−
<li style="display: inline-block;"> [[File:G91YS_WTWallpaper_004.jpg|thumb|none|250px|]] </li>
+
File:G91YS_WTWallpaper_004.jpg
−
<li style="display: inline-block;"> [[File:G91YS_WTWallpaper_005.jpg|thumb|none|250px|]] </li>
+
File:G91YS_WTWallpaper_005.jpg
−
<li style="display: inline-block;"> [[File:G91YS_WTWallpaper_006.jpg|thumb|none|250px|]] </li>
+
File:G91YS_WTWallpaper_006.jpg
−
<li style="display: inline-block;"> [[File:G91YS_WTWallpaper_007.jpg|thumb|none|250px|]] </li>
+
File:G91YS_WTWallpaper_007.jpg
−
</ul></div>
+
</gallery>
−
 
 
−
;Videos
 
  
 
== See also ==
 
== See also ==
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<!-- ''Paste links to sources and external resources, such as:''
 
<!-- ''Paste links to sources and external resources, such as:''
 
* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
−
* ''encyclopedia page on the aircraft;''
 
 
* ''other literature.'' -->
 
* ''other literature.'' -->
  
−
* [https://warthunder.com/en/news/6078-development-g-91ys-turning-and-burning-en [Devblog<nowiki>]</nowiki> G.91YS: Turning and Burning]
+
* [[wt:en/news/6078-development-g-91ys-turning-and-burning-en|[Devblog] G.91YS: Turning and Burning]]
 
* [https://forum.warthunder.com/index.php?/topic/445808-fiat-g91ys/ Official data sheet - more details about the performance]
 
* [https://forum.warthunder.com/index.php?/topic/445808-fiat-g91ys/ Official data sheet - more details about the performance]
  
 
{{AirManufacturer Fiat}}
 
{{AirManufacturer Fiat}}
 
{{Italy jet aircraft}}
 
{{Italy jet aircraft}}

Latest revision as of 14:15, 4 January 2024

This page is about the Italian jet fighter G.91 YS. For other versions, see G.91 (Family).
G.91 YS
fiat_g91_ys.png
GarageImage G.91 YS.jpg
G.91 YS
Italy flag.png Italy
VI Rank
Battle rating:
AB RB SB
9.7 9.3 9.7
Class:
Research:110 000 Specs-Card-Exp.png
Purchase:620 000 Specs-Card-Lion.png

Description

The G.91 YS was based in the earlier G.91 Y, which was a complete redesign of the G.91 series of aircraft, going from a small and light airframe to a heavier and more capable one, with two afterburning engines, a longer range, and a bigger payload for ground attack missions. The G.91 YS was a version of this fighter developed for Switzerland, the main difference was slightly modified avionics and the addition of more modern loadouts, such as AIM-9 Sidewinders. Though the country was interested in acquiring the G.91, the purchase was never completed.

It was introduced in Update 1.87 "Locked On". In similar fashion to the French Super Mystere B2, the G.91 YS was outfitted with dual 30 mm DEFA autocannons in the cheeks of the forward fuselage. Also in the same vein, the G.91 YS was built to be a multi-role fighter as a fighter-interceptor or a fighter-bomber. Due to the increased power of the dual engines, this fighter when acting in a bomber role has the ability to carry up to 4,000 lbs of bombs, though configurations as low as 1,000 lbs is available. FFAR Mighty Mouse unguided rockets are another good option for taking out softer ground targets, since they have the potential to destroy a higher number of enemies in the hands of a skilled pilot. For air combat, the G.91 YS lacks countermeasures but compensates this with a very good flight performance, however it has a mediocre top speed, in a BR when most fighters are already supersonic; keep your speed high at all times or else you might become vulnerable to missiles and fast interceptors like the MiG-21s and F-104s that start to be very common.

General info

Flight performance

Arrestor gear
Accelerates braking by grabbing the brake cable on the deck of the aircraft carrier
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 0 m1 123 km/h
Turn time29 s
Max altitude12 500 m
Engine2 х General Electric J85-GE-13A
TypeJet
Cooling systemAir
Take-off weight9 t
A bird's eye view of a G.91 YS fighter.

The G.91 YS is a very good Boom & Zoom fighter, the only issue is confronting other jets with afterburner capabilities which make your Boom & Zoom attempt more difficult. The YS has a lower turn speed than the other G.91s (swapped for acceleration and a little bit more speed) it is also two high power engines, making it possible to return to base on one engine or even fight like that if you want. Sadly the G.91 isn't supersonic but it can get close in a steep dive, making it one of the best trans-sonic jets!

Characteristics Max Speed
(km/h at 0 m - sea level) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 1,114 1,109 12500 29.5 30.7 60.4 54.6 750
Upgraded 1,131 1,123 28.6 29.0 91.8 75.0

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear Drogue chute
✓ ✓ ✓ ✓ ✓ ✓
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
1128 371 592 556 371 ~11 ~4
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 800 < 650 < 660 N/A

Engine performance

Engine Aircraft mass
Engine name Number Empty mass Wing loading (full fuel)
General Electric J85-GE-13A 2 4,350 kg 380 kg/m2
Engine characteristics Mass with fuel (no weapons load) Max Takeoff
Weight
Weight (each) Type 17m fuel 20m fuel 30m fuel 45m fuel 57m fuel
271 kg Afterburning axial-flow turbojet 5,114 kg 5,246 kg 5,688 kg 6,351 kg 6,882 kg 8,500 kg
Maximum engine thrust @ 0 m (RB / SB) Thrust to weight ratio @ 0 m (WEP)
Condition 100% WEP 17m fuel 20m fuel 30m fuel 45m fuel 57m fuel MTOW
Stationary 1,230 kgf 1,894 kgf 0.74 0.72 0.67 0.60 0.55 0.45
Optimal 1,242 kgf
(1,000 km/h) 		1,913 kgf
(1,000 km/h) 		0.75 0.73 0.67 0.60 0.56 0.45

Survivability and armour

Crew1 person
Speed of destruction
Structural1 128 km/h
Gear371 km/h
  • 40 mm bulletproof glass in the canopy windshield (angled to provide about 94 mm of protection)
  • 6.5 mm steel behind pilot's seat

Like many later generation jet fighters (those built in the 1960s-70s) the G.91 YS traded armour for greater ordnance carrying capacity. Though not without all armour, the canopy windshield has an effective thickness of 94 mm to protect the pilot in the event of a head-on attack. Though the 6.5 mm of steel behind the pilot's seat seem to be on the thin side, bullets coming in from that direction will need to pass through the engine first. If the pilot is going to be hit by bullets it will most likely be through side angle shots or from above.

Aerial shot of a G.91 YS at altitude.

Modifications and economy

Repair costBasic → Reference
AB3 134 → 4 259 Sl icon.png
RB10 793 → 14 667 Sl icon.png
SB10 094 → 13 717 Sl icon.png
Total cost of modifications196 000 Rp icon.png
303 000 Sl icon.png
Talisman cost2 700 Ge icon.png
Crew training175 000 Sl icon.png
Experts620 000 Sl icon.png
Aces2 600 Ge icon.png
Research Aces1 010 000 Rp icon.png
Reward for battleAB / RB / SB
130 / 380 / 600 % Sl icon.png
226 / 226 / 226 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
7 800 Rp icon.png
Cost:
12 000 Sl icon.png
310 Ge icon.png
Mods jet compressor.png
Compressor
Research:
7 800 Rp icon.png
Cost:
12 000 Sl icon.png
310 Ge icon.png
Mods armor frame.png
Airframe
Research:
11 000 Rp icon.png
Cost:
17 000 Sl icon.png
430 Ge icon.png
Mods booster.png
New boosters
Research:
11 000 Rp icon.png
Cost:
17 000 Sl icon.png
430 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
9 800 Rp icon.png
Cost:
15 000 Sl icon.png
390 Ge icon.png
Mods g suit.png
G-suit
Research:
9 800 Rp icon.png
Cost:
15 000 Sl icon.png
390 Ge icon.png
Mods armor cover.png
Cover
Research:
16 000 Rp icon.png
Cost:
25 000 Sl icon.png
630 Ge icon.png
Mods jet engine.png
Engine
Research:
16 000 Rp icon.png
Cost:
25 000 Sl icon.png
630 Ge icon.png
Mods ammo.png
aden_belt_pack
Research:
7 800 Rp icon.png
Cost:
12 000 Sl icon.png
310 Ge icon.png
Mod arrow 1.png
Mods pilon bomb.png
M82
Research:
7 800 Rp icon.png
Cost:
12 000 Sl icon.png
310 Ge icon.png
Mod arrow 0.png
Mods napalm fire bomb.png
559G1
Research:
7 800 Rp icon.png
Cost:
12 000 Sl icon.png
310 Ge icon.png
Mods pilon bomb.png
M82-2
Research:
11 000 Rp icon.png
Cost:
17 000 Sl icon.png
430 Ge icon.png
Mod arrow 0.png
Mods pilon block rocket.png
LAU-3/A
Research:
11 000 Rp icon.png
Cost:
17 000 Sl icon.png
430 Ge icon.png
Mod arrow 0.png
Mods weapon.png
aden_new_gun
Research:
9 800 Rp icon.png
Cost:
15 000 Sl icon.png
390 Ge icon.png
Mods pilon bomb.png
M83
Research:
9 800 Rp icon.png
Cost:
15 000 Sl icon.png
390 Ge icon.png
Mod arrow 0.png
Mods pilon block rocket large.png
LAU-10/A
Research:
9 800 Rp icon.png
Cost:
15 000 Sl icon.png
390 Ge icon.png
Mod arrow 0.png
Mods pilon bomb.png
M83-2
Research:
16 000 Rp icon.png
Cost:
25 000 Sl icon.png
630 Ge icon.png
Mods air to air missile.png
AIM-9B
Research:
16 000 Rp icon.png
Cost:
25 000 Sl icon.png
630 Ge icon.png

Armaments

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

Offensive armament

G.91 YS fighter with the sun setting behind it.
Main article: DEFA 552 (30 mm)

The G.91 YS is armed with:

  • 2 x 30 mm DEFA 552 cannons, nose-mounted (125 rpg = 250 total)

Suspended armament

The G.91 YS can be outfitted with the following ordnance:

1 2 3 4 5 6
Hardpoints G.91 YS.png
500 lb LDGP Mk 82 bombs 1 1 1 1
500 lb Mk 82 Snakeye bombs 1 1 1 1
1,000 lb LDGP Mk 83 bombs 1 1 1 1
Aerea 559G1 incendiary bombs 1 1
FFAR Mighty Mouse rockets 19 19 19 19
Zuni Mk32 Mod 0 ATAP rockets 4 4 4 4
AIM-9B Sidewinder missiles 1 1
Maximum permissible loadout weight: 1,815 kg
Maximum permissible wing load: 1,000 kg
Maximum permissible weight imbalance: 800 kg
Default weapon presets
  • Without load
  • 2 x 500 lb LDGP Mk 82 bombs (1,000 lb total)
  • 4 x 500 lb LDGP Mk 82 bombs (2,000 lb total)
  • 4 x 500 lb Mk 82 Snakeye bombs (2,000 lb total)
  • 2 x 1,000 lb LDGP Mk 83 bombs (2,000 lb total)
  • 4 x 1,000 lb LDGP Mk 83 bombs (4,000 lb total)
  • 76 x FFAR Mighty Mouse rockets
  • 16 x Zuni Mk32 Mod 0 ATAP rockets
  • 2 x AIM-9B Sidewinder missiles
  • 2 x Aerea 559G1 incendiary bombs

Usage in battles

The G.91 YS has a lot of power and energy potential, keep that in mind before going into battle. To add to this fighters punch, it also utilises AIM 9B missiles and in capable hands, this fighter can be a monster on the battlefield. The YS also has the capability of mounting 76 x FFAR Mighty Mouse rockets which provide the potential of low-altitude Boom & Zooming on trucks, anti-aircraft artillery, light tanks and even enemy fighters attempting an airfield capture, though this does not come without a cost. When dropping in low on ground targets, the fighter sacrifices its speed and manoeuvrability for that ordnance. The YS also can outfit a few bombs so the YS can then be used as a base bomber following up by attacking enemy fighters, but even still it isn't always reliable and can be easily intercepted from any other supersonic fighter jets patrolling the area.

Your biggest threats will be F-4Cs, MiG-19S/PT, F-100D, Mitsubishi T2, J-6A, J-7II, Hunter F.6, mainly because they have superior speed and ordnance. The Hunter is probably the best-matched jet to the G.91 YS. The only top tier jet which should not be too much of a pain is the Super Mystere B2, and F-86K because they have limited speed and slow acceleration compared and will never win in a vertical climb against the G.91 YS.

Pros and cons

G.91 YS popping its braking parachute upon landing.

Pros:

  • Excellent acceleration and roll speed
  • Able to carry air-to-air missiles
  • Wide variety of payload options
  • High rate of climb
  • Deadly main armament
  • Drag chute helps slow you down very quickly during landings

Cons:

  • Slower than most planes it will face
  • Limited ammo
  • Slower turn rate compared to earlier G.91s
  • Flaps and landing gear are prone to ripping off
  • New booster module is a must to research in order to avoid crashing during a very fast and low-level dive
  • AIM-9Bs have a poorer performance other air-to-air missiles at this BR
  • No countemeasures

History

A G.91 YS heading into an active battle zone.

During the 1960s, Fiat began developing a successor to their previous G.91 fighter, which had thus far managed to obtain a favourable reputation with its operators. Fiat based their new aircraft heavily on the two-seat trainer version of the G.91 and decided outfit the aircraft with two General Electric J85 afterburning engines contrary to the preceding single-engine G.91.

Additionally, the aircraft's fuselage and wings were enlarged to accommodate 3 more fuel tanks (for a total capacity of 3200 liters), bigger powerplant and improve handling characteristics, while a slew of other tweaks and upgrades further enhanced the aircraft's overall design, including an automatic slat on the wing's leading edge. The new G.91Y performed its maiden flight in December 1966. Testing revealed minor aerodynamic issues which would be resolved on subsequent production aircraft with only minor redesigns. At high altitude extreme manoeuvres at high angles of attack could lead to engines flame-out.

Production of the G.91Y began with an initial order for 20 pre-production machines, following the manufacturing of two prototypes. This order would eventually go up to 75 aircraft, although only 67 including the initial prototypes were delivered in the end. By the mid 1970s, all outstanding orders for the G.91Y were fulfilled and production had ceased for this variant.

The G.91Y served exclusively with Italian squadrons up until the early 1990s, before being replaced by a more modern counterpart.

The G.91YS was a single prototype conversion of the G.91Y, which followed a requirement issued by the Swiss Air Force. The aircraft allowed installation of American Sidewinder air-to-air missiles (adding 2 more sub-wing pylons) and a Swedish weapons control system. This special prototype first flew in October 1970, but was eventually not accepted into service by the Swiss. The prototype was converted back into service as a regular G.91Y.

- From Devblog

Media

Skins
Images
  • G91YS WTWallpaper 001.jpg
  • G91YS WTWallpaper 002.jpg
  • G91YS WTWallpaper 003.jpg
  • G91YS WTWallpaper 004.jpg
  • G91YS WTWallpaper 005.jpg
  • G91YS WTWallpaper 006.jpg
  • G91YS WTWallpaper 007.jpg

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


Fiat Aviation (Fiat Aviazione)
Fighters  CR.32 · CR.32 bis · CR.32 quater
  CR.42 · Marcolin's C.R.42 CN · ▀Marcolin's C.R.42 CN
  G.50 serie 2 · G.50 AS serie 7
  G.55 sottoserie 0 · G.55 serie 1 · G.55S
  G.56
Jet fighters  G.91 pre-serie · G.91 R/1 · G.91 Y · G.91 YS
  ▄F-86K*
  ▄F-104G* · F-104S* · F-104S.ASA* · ▄F-104S TAF*
Strike aircraft  F.C.20 Bis
Bombers  B.R.20DR · B.R.20M M1
Export/Captured  J11 · ▀CR.42
  ▀G.50 serie 2 · ▀G.50 AS serie 7
  ◄G.91 R/3 · ◄G.91 R/4 · G.91 R/4
  *Licensed
See also  North American Aviation · Lockheed Martin

Italy jet aircraft
Aerfer  Sagittario 2 · Ariete
Fiat  G.91 pre-serie · G.91 R/1 · G.91 R/4 (Portugal) · G.91 Y · G.91 YS
AMX International  AMX · AMX A-1A (Brazil)
Panavia  Tornado ADV · ▄Tornado IDS · ▄Tornado IDS (1995)
  Foreign:
Vampire  Vampire FB 52A
F-84  ▄F-84F · ▄F-84G-21-RE
F-86  CL-13 Mk.4 · ▄F-86K
F-104  ▄F-104G · F-104S · ▄F-104S TAF (Turkey) · F-104S.ASA
F-16  ▄F-16A ADF
AV-8  ▄AV-8B Plus
Hungary 
Mikoyan-Gurevich  ◔MiG-15bis · ◔MiG-17PF · ◔MiG-21MF · ◔MiG-21bis-SAU · ◔MiG-23MF · ◔MiG-29
Ilyushin  ◔IL-28
Sukhoi  ◔Su-22M3
Saab  ◔JAS39EBS HU C

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