G.91 R/4

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G.91 R/4
General characteristics
1 personCrew
5.8 tTake-off weight
3.47 kg/sBurst mass
Flight characteristics
11 000 mCeiling
Bristol Orpheus MK.803Engine
airCooling system
Speed of destruction
1128 km/hStructural
345 km/hGear
Offensive armament
4 x 12.7 mm M3 Browning machine gunWeapon 1
1 200 roundsAmmunition
1 200 shots/minFire rate
Suspended armament
38 x FFAR Mighty Mouse rocketsSetup 1
2 x AA-20 Nord air-to-air missilesSetup 2
2 x AS-20 Nord ATGMSetup 3
4 x AIM-9B Sidewinder air-to-air missilesSetup 4
2 x 500 lb AN-M64A1 bombSetup 5
Sl icon.png4 300/2 600/1 300Repair
10 000 Sl icon.pngCrew training
1 670 000 Sl icon.pngExperts
2 800 Ge icon.pngAces
232 × 2 Talisman.png % Rp icon.pngReward for battle
270 × 2 Talisman.png % Sl icon.png200 × 2 Talisman.png % Sl icon.png100 × 2 Talisman.png % Sl icon.png
This page is about the premium Italian jet fighter G.91 R/4. For other uses, see G.91 (Family).


GarageImage G.91 R4.jpg

The G.91 R/4 is a gift rank V Italian jet fighter with a battle rating of 9.0 (AB/SB) and 8.7 (RB). It was introduced in Update 1.87 "Locked On".

General info

Flight Performance

The G.91 R/4 is a very nimble fighter with relatively average top speed and fairly good acceleration. Best played as a support fighter, the G.91 R/4 can use its incredible roll and turn rates to quickly get guns on target, as well as to dodge the typically less manoeuvrable fighters that it shares its battle ratings with.

The R/4 is a variant of the G.91 jet fighter that has been modified for ground attack, allowing it access to a competitive selection of air-to-ground ordnance such as bombs, rockets, and high-explosive air-to-ground missiles. The R/4 also has the option to equip two different types of air-to-air missiles; the IR-tracking AIM-9B Sidewinder missile, or the command-guided AA-20 Nord missile.

Max Speed
(km/h at 0 m - at sea level)
Max altitude
Turn time
Rate of climb
Take-off run
1,066 1,042 11 000 27.4 28.0 30.4 29.5 850
Max Speed
(km/h at 0 m - at sea level)
Max altitude
Turn time
Rate of climb
Take-off run
1,097 1,084 11 000 24.7 26.0 48.8 39 850


Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
Wing-break speed
Gear limit
Combat flaps
Max Static G
+ -
620 ~10 ~4
Optimal velocities
< 800 < 650 < 660 >250
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
0 m 2,190 kgf 2,212 kgf

Survivability and armour

  • 40 mm Bulletproof glass in front of the pilot
  • 6.5 mm Steel plate, starts in the pilot's seat, goes below the pilot, ends in front of the pilot
  • 6.5 mm Steel plate below a fuel tank in the centre-front of the fuselage
  • 6.5 mm Steel plate below a fuel tank in the centre-rear of the fuselage

Though the G.91 R/4 does have a decent amount of armour spaced out between the centre and front of the fuselage, the Steel plates will only be sufficient to protect the pilot and aircraft from lower calibre fire (7.92 mm to 7.62 mm machine guns will only penetrate at very close ranges.) And, thanks to the sacrifices made to lighten the aircraft, the airframe is not particularly reinforced. The wings are very thin, and susceptible to being out-right broken off by most-all primary armaments the G.91 will face at its tier, and the fuselage is full of juicy fuel tanks as well as the single engine of the R/4. Even more so than most planes, the G.91 R/4 is not capable of taking any hits. Even low calibre fire, such as that from .50 calibre machine guns, can cripple an R/4 nigh-immediately, and necessitate an immediate return-to-base.


Offensive armament

Main article: Browning M3 (12.7 mm)

The G.91 R/4 is armed with:

  • 4 x 12.7 mm Browning M3 machine guns, nose-mounted (300 rpg = 1,200 total)

Suspended armament

The G.91 R/4 can be outfitted with the following ordnance:

  • Without load
  • 38 x FFAR Mighty Mouse rockets
  • 2 x AA-20 missiles
  • 2 x AS-20 rockets
  • 4 x AIM-9B missiles
  • 2 x 500 lb AN-M64A1 bombs (1,000 lb total)

For air-to-ground purposes, the G.91 R/4 is similar to the G.91 pre-serie and G.91 R/1, both its predecessors, in loadout options sharing the same FFAR Mighty Mouse rocket option as well as the choice of a pair of 500 lb bombs. However, the G.91 R/4 has an additional and unique option; the AS-20 Nord air-to-ground missile, with a reasonable penetration value (83 mm RHAe) but incredible warhead size of (just under) 30 kilograms of TNT. Skilled use of the missile can allow for a more accurate fire at longer ranges especially versus more dangerous vehicles like self-propelled anti-aircraft guns.

Air-to-air ordnance selection is where the G.91 R/4 stands out from its brethren; the G.91 R/4 is the lowest tier jet in the Italian aircraft tree to gain access to air-to-air missiles, with access to the American AIM-9B infrared-guided missile, and one of only two jets in-game (alongside the Super Mystére B.2) to have the option of loading the unique AA-20 Nord air-to-air missiles; keyboard guided missiles with a 15 metre proximity fuse. Unlike infrared-guided missiles in War Thunder, the AA-20 Nords do not warn targets of a missile launch giving R/4 pilots the element of surprise, and the Nord's proximity fuse increases the chance of long-range launches striking a target, though these perks come at the demand of a much higher skill floor for usage.

Usage in battles

Due to the G.91 R/4's notably lower speed and high-end acceleration as compared to its contemporaries, the R/4 should be played as a support fighter; meaning the pilot should seek to stick near teammates rather than hunting targets solo, and opt to pick off hostile aircraft that are engaged and distracted with/by allied fighters. The G.91 airframe is exceptionally agile, and the R/4 is no exception; even heavily manoeuvring targets are easy for this plane to keep the nose on. The plane's exceptional roll and turn rates are its biggest strengths, and the pilot should seek to use that to their advantage rather than attempting to fight speed or energy battles.

Make use of the G.91 R/4's varied suspended armaments to dispatch a variety of targets. The AIM-9B is very easy to use missile and can force faster targets to manoeuvre, slowing them down, and can sometimes even net target destructions. Be careful when using this missile around friendlies though, as a misguided Sidewinder will destroy allied aircraft. The AA-20 Nord is a much more difficult missile to use, but it has a far longer effective range and can often surprise enemies who expect a warning from enemy missile launches. Use the massive range and proximity fuse to take down faster targets flying away from you, and consider using them to destroy bombers such as the often-seen Vautour IIB, Vautour IIA, and Israeli Vautour IIA, who not only are far less able to dodge missiles but also have larger airframes that trigger the proximity fuse from longer distances.

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
Separate Not controllable
1 gear
Not controllable


Tier Flight performance Survivability Weaponry
I Fuselage repair Compressor Offensive 12 mm FFAR Mighty Mouse
II New boosters Airframe Nord AA.20 SBC-17
III Wings repair Engine New 12 mm MGs Nord AS.20
IV G-suit Cover AIM-9B

Pros and cons


  • Exceptional maneouvrability, with very high roll and turn rates
  • Varied and effective suspended armament choices
  • Access to air-to-air missiles, including the AA-20 Nord
  • Access to the AS-20 Nord air-to-ground missile


  • Relatively low calibre primary armament (four .50 cal Brownings)
  • Slower than most of its contemporaries
  • Very fragile airframe
  • Poor energy retention


The G.91 R-3 was the primary West German variant of the Fiat-made light fighter, with 50 built in Italy and another 294 under license in West Germany. It had more powerful armament, added two wing hardpoints, and improved avionics compared to the Italian G.91 R-1s. The 50 R-4 that followed were identical to the R-3 other than in terms of armament. They were supposed to have been sold to Greece and Turkey, but after that sale fell through they entered West German service instead.


Left side of the G.91 R/4
The nose of the G.91 R/4

See also

External links

Italy jet aircraft
Fiat  G.91 pre-serie · G.91 R/1 · G.91 R/4 · G.91 YS
Foreign  ▄F-84G-21-RE · CL-13 Mk.4 · ▄F-86K · F-104S
  Vampire FB 52A

Italy premium aircraft
Fighters  CR.32 bis · Marcolin's C.R.42 CN · Re.2001 gruppo 22 · IAR-81C · ▄Spitfire Mk Vb/trop · ▄Bf 109 G-2 · G.55S
Jet fighters  G.91 R/4
Attackers  Hs 129 B-2 (Romania)