G.91 YS

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G.91 YS
fiat_g91_ys.png
AB
RB
SB
General characteristics
Brief
Detailed
9.3/9.7/9.7BR
1 personCrew
4.4 tEmpty weight
8.5 tTake-off weight
Flight characteristics
12 500 mCeiling
sec18.5/18.5/0.0Turn Time
km/hStalling speed
2 х General Electric J85-GE-13AEngine
JetType
airCooling system
Speed of destruction
1 128 km/hStructural
371 km/hGear
Offensive armament
2 х 30 mm DEFA 552 cannonWeapon 1
250 roundsAmmunition
1 200 shots/minFire rate
Suspended armament
2 х 500 lb LDGP Mk 82 bombSetup 1
4 х 500 lb LDGP Mk 82 bombSetup 2
2 х 1000 lb LDGP Mk 83 bombSetup 3
4 х 1000 lb LDGP Mk 83 bombSetup 4
76 х FFAR Mighty Mouse rocketsSetup 5
2 х AIM-9B Sidewinder air-to-air missilesSetup 6
2 х AIM-9B Sidewinder air-to-air missiles
2 х 500 lb LDGP Mk 82 bomb
Setup 7
2 х AIM-9B Sidewinder air-to-air missiles
4 х 500 lb LDGP Mk 82 bomb
Setup 8
2 х AIM-9B Sidewinder air-to-air missiles
2 х 1000 lb LDGP Mk 83 bomb
Setup 9
2 х AIM-9B Sidewinder air-to-air missiles
4 х 1000 lb LDGP Mk 83 bomb
Setup 10
2 х AIM-9B Sidewinder air-to-air missiles
76 х FFAR Mighty Mouse rockets
Setup 11
Economy
400 000 Rp icon.pngResearch
1 030 000 Sl icon.pngPurchase
Sl icon.png23 000 / 31 211/20 000 / 27 140/2 750 / 3 731Repair
300 000 Sl icon.pngCrew training
1 030 000 Sl icon.pngExperts
3 000 Ge icon.pngAces
x 2.38 Rp icon.pngReward for battle
This page is about the Italian jet fighter G.91 YS. For other uses, see G.91 (Family).

Description

GarageImage G.91 YS.jpg


The G.91 YS is a rank VI Italian jet fighter with a battle rating of 9.7 (AB/RB) and 9.3 (SB). It was introduced in Update 1.87 "Locked On".

General info

Flight Performance

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 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!

Characteristics
Stock
Max Speed
(km/h at 0 m - at sea level)
Max altitude
(meters)
Turn time
(seconds)
Rate of climb
(meters/second)
Take-off run
(meters)
AB RB AB RB AB RB
1,114 1,109 12 500 29.5 30.7 60.4 54.6 750
Upgraded
Max Speed
(km/h at 0 m - at sea level)
Max altitude
(meters)
Turn time
(seconds)
Rate of climb
(meters/second)
Take-off run
(meters)
AB RB AB RB AB RB
1,131 1,123 12 500 28.6 29.0 91.8 75.0 750

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
X
Limits
Wing-break speed
(km/h)
Gear limit
(km/h)
Combat flaps
(km/h)
Max Static G
+ -
1 128 371 620 ~11 ~4
Optimal velocities
Ailerons
(km/h)
Rudder
(km/h)
Elevators
(km/h)
Radiator
(km/h)
< 800 < 650 < 660 N/A
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
0 m 1,230 kgf 1,894 kgf

Survivability and armour

The YS is a single-seater fighter making it venerable to head-on attacks even though the YS has 40 mm of bulletproof glass in the canopy windshield, which at an angle provides ~94 mm of protection. Behind the pilot's seat is 6.5 mm of armour, though it is weak to rear attack if the enemy misses your engine.

Armaments

Offensive armament

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:

  • 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)
  • 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
  • 2 x AIM-9B missiles
  • 2 x 500 lb LDGP Mk 82 bombs + 2 x AIM-9B missiles (1,000 lb total)
  • 4 x 500 lb LDGP Mk 82 bombs + 2 x AIM-9B missiles (2,000 lb total)
  • 2 x 1,000 lb LDGP Mk 83 bombs + 2 x AIM-9B missiles (2,000 lb total)
  • 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

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.

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 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.

Manual Engine Control

MEC elements
Mixer Pitch Radiator Supercharger Turbocharger
Oil Water Type
Not controllable Not controllable
Not auto controlled
Not controllable
Auto control available
Not controllable
Auto control available
Combined Not controllable
1 gear
Not controllable

Modules

Tier Flight performance Survivability Weaponry
I Fuselage repair Compressor Offensive 30 mm M82
II New boosters Airframe M82-2 LAU-3A
III Wings repair Engine New 30 mm cannons M83
IV G-suit Cover M83-2 AIM-9B

Pros and cons

Pros:

  • Excellent acceleration and roll speed
  • Able to carry AIM-9B air-to-air missiles
  • Wide variety of payload options
  • High rate of climb
  • Deadly main armament

Cons:

  • Slower than most planes it will face
  • Limited ammo
  • Slower turn rate compared to earlier G.91's
  • High repair cost

History

During the 1960s, Fiat began developing a successor to their previous G.91 fighter, which had thus far managed to obtain a favorable 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 accomodate for the bigger powerplant and improve handling characteristics, while a slew of other tweaks and upgrades further enhanced the aircraft’s overall design. 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.

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, 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

Excellent additions to the article would be video guides, screenshots from the game, and photos.

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


Italy jet aircraft
Fiat  G.91 pre-serie · G.91 R/1 · G.91 R/4 · G.91 YS
Other countries  ▄F-84G-21-RE · Vampire FB 52A · CL-13 Mk.4 · ▄F-86K