Difference between revisions of "F-5E"

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== 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 If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: 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 If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: 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 If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: 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).''
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<!-- 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: https://wiki.warthunder.com/(Vehicle-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under === In-game description ===, also if applicable). -->
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In the late 1960s, Northrop realized that by using an improved version of the General Electric J85 engine with more maximum thrust, the flight performance of the N-156 fighter could be improved a lot. During the test, the new J85-GE-21 engine was approved that it could produce almost 23% more thrust than the earlier J85-GE-13 engine used by early produced F-5A/B Freedom Fighter, F-5C Skoshi Tiger and T-38 Talon, which was 5000 pounds maximum thrust in afterburner mode and 3500 pounds thrust in military mode.
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[[File:1200px-Northrop F-5E (Tail No. 11417) 061006-F-1234S-067.jpg|thumb|332x332px|Official roll-out of first USAF F-5E Tiger II]]
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As a result, the sixth production F-5B trainer was chosen to be modified with two new J85-GE-21 engines at Edwards AFB during the summer of 1969, and this upgraded version of Freedom Fighter with J85-GE-21 engine was called F-5-21 at that time. Overall, the new J85-GE-21 engine’s weight was 100 lbs less than J85-GE-13 engine, the length of J85-GE-21 engine was 7 inches longer than J85-GE-13 engine, and an additional stage was added to the front of the J85-GE-13 ’s previous eight-stage compressor to provide more extra power, through the single rotor structure was retained, apart from that, two auxiliary intake doors were added on the fuselage above the wing trailing edge (one on each side of fuselage) to provide additional air to the engines for added thrust during take-off and low-speed flight, the doors are ac powered and automatically or individually controlled from the new Central Air Data Computer. In the fall of 1969, USAF decided to hold a new competition to select a new international fighter for Allied countries, and Northrop’s F-5-21 program was announced the winner of new international fighter on 20<sup>th</sup> November 1970, then Northrop received the contract from USAF for the further development of F-5E fighter on 8<sup>th</sup> December 1970. In January 1971, USAF changed the new F-5 fighter’s nomenclature from F-5-21 to F-5E, and the latter was named Tiger II in memory of the previous Skoshi Tiger Combat Evaluation program in Vietnam.
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As for the airborne avionics system, a Central Air Data Computer was introduced on the new F-5E Tiger II fighter, it could convert raw air data inputs into computed output, and transmit the results to other airborne electrical equipment such as Lead Computing Optical Sight (LCOSS) and Stability Augmenter System. The new AN/ASG-29 Lead Computing Optical Sight (LCOSS) replaced the non-computing fixed optical sight used by F-5A Freedom Fighter and F-5C Skoshi Tiger, which consisted a gyro lead computer (GLC) unit and an optical display unit (ODU), also an AIM-9 sidewinder missile select switch was provided to select the appropriate missile launch envelope program stored in the GLC, and the ODU contained sight controls, a mirror drive assembly, and a combing glass which reflected the aiming reticle, late production F-5E Tiger II fighter changed the original AN/ASG-29 LCOSS to the new AN/ASG-31 LCOSS. The most important equipment of the F-5E Tiger II fighter was the new AN/APQ-153 multi-mode, forward-looking, X-band pulse, Search and Fire Control Radar, which could provide air-to-air search, range, and track information for use in Air-to-Air gunnery and missile launch, it formed the F-5E fighter's Fire Control System together with LCOSS unit, also the late production version of F-5E Tiger II fighter used AN/APQ-159 (V) 3 Search and Fire control Radar instead of the previous AN/APQ-153 Radar.
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As for the aerodynamic design, in order to increase the maneuverability of F-5E Tiger II fighter, Northrop decided to increase the total area of Leading Edge Extensions (LEX) sections which were 2.75 times as large as that on the F-5A Freedom Fighter, also the wing area was more than 9% greater than that of F-5A Freedom Fighter, this improvement helped to increase lift and CL max at high angle attack situation, also it could improve take-off and landing performance of F-5E Tiger II fighter too. The CL max of F-5E Tiger II fighter was increased to 1.4 compared with slightly lower than 1.2 of F-5A Freedom Fighter, and the maximum L/D at subsonic cruise speed was 10.  
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Thanks to the increased maximum power of new engine, the maximum level flight speed of F-5E Tiger II was increased from Mach 1.4 to Mach 1.6, the maximum climb rate at sea level was also increased to more than 189 m/s, the empty weight was increased from 3600 kg to 4300 kg, and the maximum take off weight was increased to 9800 kg, also the maximum internal fuel capability of F-5E Tiger II was increased from 3790 pounds to 4536 pounds.
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On 10<sup>th</sup> August 1972, the first F-5E Tiger II fighter completed its first flight at Edwards AFB. By March 1973, six F-5E Tiger II fighters comprised the test force. One interesting fact was that during these flight tests at Edwards AFB, at least one F-5F fighter was painted with Imperial Iranian Air Force (IIAF) desert camouflage because at that time Iranian government was still willing to buy American military equipment. The Saudi Arabian Air Force decided to buy several F-5E and F-5F in 1976, which the program was named Peace Hawk IV, as the Saudi Arabian Air Force wanted to add the AGM-65 Maverick Air-to-Ground missile firing ability and Radar Warning Receiver equipment on their F-5 fighters, F-5E 71-1418 was chosen to conduct the test flights with AGM-65 Maverick Air-to-Ground missiles, also F-5E 75-00462 was chosen to test the new Chaff/Flare dispenser and AGM-65 Maverick Air-to-Ground missiles too. Except for Saudi Arabia and Iran, many other third-world countries such as Brazil, Kenya, and Malaysia became the customer of F-5 fighters, and the total amount of countries and regions received F-5E Tiger II fighters were 37. Thought the Imperial Iranian Air Force (IIAF) was changed to Islamic Republic of Iran Air Force (IRIAF) as a result of the coup in 1979, but during the Iran-Iraq war in 1980s, many former Imperial Iranian Air Force pilots who were trained by the U.S decided to join the battle against Iraq with the name of Islamic Republic of Iran Air Force after they were been released by the government, even one time a F-5E Tiger II fighter of IRIAF successfully shot down a MiG-25 Foxbat interceptor of Iraq Air Force, the total air-to-air kills made by F-5 fighters of IRIAF was 23. 
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By late November 1986, the F-5E/F Tiger II production line in California was finally shut down after it completed the last seven aircraft on the contract. Northrop built 2603 F-5 fighters in total including 1399 E and F models (793 F-5E and 146 F-5F Tiger II according to some sources). The first unit of USAF equipped with F-5E Tiger II fighters was the 425th Tactical Fighter Training Squadron (TFTS) at Williams AFB, which was responsible for the majority of the training of customer nation air and ground crew, they used F-5E Tiger II fighters until June 1989, 1499 students around the world were graduated from the 425th Tactical Fighter Training Squadron (TFTS). Apart from that, Imperial Iranian Air Force started to receive their F-5E Tiger II fighters in 1974, but as the war situation of South Vietnam became worse, American decided to diverted 18 F-5E Tiger II fighters from the later Iranian order to support the Republic of Vietnam Air Force.
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As a result, a total of 55 F-5E Tiger II fighters were transported by the USA to South Vietnam before they lost the war on 30th April 1975. Except for battle damage and loss, about 27 F-5E fighters and 60-87 F-5A/B fighters that hadn’t escape to Thailand were captured by the North Vietnamese army after the defeat of South Vietnam. Through Vietnamese government decided to retain a small number of F-5 fighters and used them during the invasion of Cambodia, and they also sent some of the F-5 fighters to the Soviet Union. At first, the Soviet aircraft engineers didn't show much interest in the F-5E Tiger II fighters because of the low thrust of the J85 engine, and they still believe that their fighters were much better than Western products, according to the estimated report of F-5E Tiger II written by the Soviet engineers, they even thought that F-5E fighter ’s level acceleration performance was only as slow as a piston fighter, also the estimated rate of climb at sea level was only 160 m/s. As a comparison, the true rate of climb of F-5A Freedom Fighter was 189 m/s.
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Therefore, they thought that used the latest MiG-23 fighters against F-5E fighters is really bullying, so they decided to let the MiG-21bis fighter, which entered into service in 1972, conduct simulated air combat with captured F-5E Tiger II fighter. The final result of that simulated air combat was beyond everyone's expectations: No matter what combat maneuver the MiG-21bis fighter did during the test, it couldn't avoid the fate of being shot down by F-5E fighter! The frustrated Soviet aircraft engineers decided to let their most advanced MiG-23M fighter at that time teach F-5E fighter a lesson, but the result was almost the same: Though the MiG-23M fighter could win in Beyond Visual Range battle because of its R-23R medium-range semi-active radar-guided missile, however, the F-5E fighter can always maintain at the six o'clock position of MiG-23M fighter through various air combat maneuvers. At last, the Soviet Union officially claimed that their aircraft was fully capable of competing with the most advanced fighter in the West at the time, but only the soviet pilots knew that their nightmare would continue until today. 
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[[File:1200px-Three F-5E agressors from Alconbury 1983.jpg|left|thumb|381x381px|Three USAF aggressor unit F-5Es in formation.]]
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Back in 1972, the USAF realized the need for dissimilar aircraft combat training, and they began to use T-38 Talon trainers as an aggressor aircraft at Nellis AFB, Nevada. Although the USAF wanted the more desirable F-5E Tiger II fighter jets to act as the aggressor ’s aircraft, the F-5E Tiger II fighter produced at the time were prioritized to South Vietnam to save the situation. After the Saigon government was finally fall in 1975, many F-5E Tiger II fighters including those former Republic of Vietnam Air Force ’s planes that escaped to Thailand successfully were transported to those aggressor squadrons of the USAF, apart from their homeland, the USAF also established some aggressor squadrons in England and the Philippines to train with other fighter squadrons overseas. As for the U.S Navy, they also realized the need for dissimilar aircraft combat training, even earlier than the U.S Air Force. The famous Top Gun program was first established in 1969, initially with A-4 Skyhawk, but later it was changed to T-38 Talon and F-5E Tiger II. In the 1980s, the U.S Navy introduced the F-16N Fighting Falcon and Israel F-21A Kfir as the new aggressor aircraft, therefore, the use of F-5E Tiger II was waned. In 2009, Northrop Grumman delivered the last 44 ex-Swiss Air Force F-5E Tiger II fighter to the U.S Navy after modification for use as aggressor aircraft, these 41 single seat fighter and three fighters modified from F-5E and F-5F were renamed F-5N by U.S Navy (one interesting fact was that in 1965, Northrop also tested a modified F-5A 63-8421 fighter which was equipped with two new J85-GE-15 engine, and this aircraft was initially named F-5N too, the N referred to Northrop), these aircraft were served in VFC-13 and VFC-111 aggressor squadrons in Nevada and Florida.
  
 
== Media ==
 
== Media ==

Revision as of 13:54, 21 July 2021

Rank VI USSR | Premium | Golden Eagles
Su-25K Pack
f-5e.png
GarageImage F-5E.jpg
F-5E
AB RB SB
11.3 11.0 11.3
Research:300 000 Specs-Card-Exp.png
Purchase:830 000 Specs-Card-Lion.png
Show in game

Description

The F-5E Tiger II is a rank VII American jet fighter with a battle rating of 11.3 (AB/SB) and 11.0 (RB). It was introduced in Update "Red Skies".

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 11 582 m1 778 km/h
Turn time26 s
Max altitude15 240 m
Engine2 х General Electric J85-GE-21A
TypeJet
Cooling systemAir
Take-off weight24 t

Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.

Characteristics Max speed
(km/h at 11,582 m)
Max altitude
(metres)
Turn time
(seconds)
Rate of climb
(metres/second)
Take-off run
(metres)
AB RB AB RB AB RB
Stock 1,756 1,746 15240 26.2 27.2 129.9 115.5 850
Upgraded ___ 1,777 __._ 26.0 __._ 149.1

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 + -
0 482 1,018 470 463 ~11 ~5
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 680 < 750 < 700 N/A

Engine performance

Engine Aircraft mass
Engine name Number Basic mass Wing loading (full fuel)
General Electric J85-GE-21A 2 4,825 kg 395 kg/m2
Engine characteristics Mass with fuel (no weapons load) Max Takeoff
Weight
Weight (each) Type 11m fuel 20m fuel 30m fuel 38m fuel
303 kg Afterburning axial-flow turbojet 5,423 kg 5,861 kg 6,379 kg 6,820 kg _,___ 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 1,480 kgf 2,220 kgf 0.82 0.76 0.70 0.65 _.__
Optimal 1,554 kgf
(1,400 km/h)
2,908 kgf
(1,400 km/h)
1.07 0.99 0.91 0.85 _.__

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
Gear482 km/h

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.

Modifications and economy

Repair costBasic → Reference
AB2 890 → 3 988 Sl icon.png
RB8 988 → 12 403 Sl icon.png
SB8 665 → 11 957 Sl icon.png
Total cost of modifications261 200 Rp icon.png
406 000 Sl icon.png
Talisman cost2 900 Ge icon.png
Crew training240 000 Sl icon.png
Experts830 000 Sl icon.png
Aces3 000 Ge icon.png
Research Aces1 140 000 Rp icon.png
Reward for battleAB / RB / SB
100 / 320 / 600 % Sl icon.png
238 / 238 / 238 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods jet compressor.png
Compressor
Research:
8 800 Rp icon.png
Cost:
14 000 Sl icon.png
360 Ge icon.png
Mods booster.png
New boosters
Research:
9 900 Rp icon.png
Cost:
15 000 Sl icon.png
410 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
13 000 Rp icon.png
Cost:
20 000 Sl icon.png
530 Ge icon.png
Mods jet engine.png
Engine
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
570 Ge icon.png
Mods aerodinamic fuse.png
Fuselage repair
Research:
8 800 Rp icon.png
Cost:
14 000 Sl icon.png
360 Ge icon.png
Mods armor frame.png
Airframe
Research:
9 900 Rp icon.png
Cost:
15 000 Sl icon.png
410 Ge icon.png
Mods g suit.png
G-suit
Research:
13 000 Rp icon.png
Cost:
20 000 Sl icon.png
530 Ge icon.png
Mods armor cover.png
Cover
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
570 Ge icon.png
Mods ammo.png
t_160_belt_pack
Research:
8 800 Rp icon.png
Cost:
14 000 Sl icon.png
360 Ge icon.png
Mod arrow right 0.png
Mods weapon.png
t_160_new_gun
Research:
8 800 Rp icon.png
Cost:
14 000 Sl icon.png
360 Ge icon.png
Mods pilon bomb.png
Mk82
Research:
8 800 Rp icon.png
Cost:
14 000 Sl icon.png
360 Ge icon.png
Mod arrow 0.png
Mods napalm fire bomb.png
BLU-1
Research:
8 800 Rp icon.png
Cost:
14 000 Sl icon.png
360 Ge icon.png
Mods gunpods.png
Gun pod GPU-5/A.
Research:
9 900 Rp icon.png
Cost:
15 000 Sl icon.png
410 Ge icon.png
Mod arrow 0.png
Mods pilon block rocket.png
LAU-3/A
Research:
9 900 Rp icon.png
Cost:
15 000 Sl icon.png
410 Ge icon.png
Mod arrow 0.png
Mods pilon bomb.png
M117
Research:
9 900 Rp icon.png
Cost:
15 000 Sl icon.png
410 Ge icon.png
Mod arrow 0.png
Mods heli false thermal targets.png
Flares/Chaff
Research:
9 900 Rp icon.png
Cost:
15 000 Sl icon.png
410 Ge icon.png
Mod arrow 1.png
Mods ammo.png
GAU_13A_belt_pack
Research:
13 000 Rp icon.png
Cost:
20 000 Sl icon.png
530 Ge icon.png
Mod arrow 0.png
Mods pilon block rocket large.png
LAU-10/A
Research:
13 000 Rp icon.png
Cost:
20 000 Sl icon.png
530 Ge icon.png
Mod arrow 0.png
Mods pilon bomb.png
Mk83
Research:
13 000 Rp icon.png
Cost:
20 000 Sl icon.png
530 Ge icon.png
Mod arrow 0.png
Mods weapon.png
GAU_13A_new_gun
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
570 Ge icon.png
AGM-65B
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
570 Ge icon.png
Mods pilon bomb.png
Mk84
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
570 Ge icon.png
Mods air to air missile.png
AIM-9J
Research:
14 000 Rp icon.png
Cost:
22 000 Sl icon.png
570 Ge icon.png

Armaments

Offensive armament

Main article: M39A3 (20 mm)

The F-5E is armed with:

  • 2 x 20 mm M39A3 cannons, nose-mounted (280 rpg = 560 total)

Suspended armament

The F-5E can be outfitted with the following ordnance:

  • Without load
  • 2 x AIM-9B Sidewinder missiles
  • 5 x 750 lb M117 cone 45 bombs (3,750 lb total)
  • 5 x 500 lb LDGP Mk 82 bombs (2,500 lb total)
  • 3 x 1,000 lb LDGP Mk 83 bombs (3,000 lb total)
  • 1 x 2,000 lb LDGP Mk 84 bomb (2,000 lb total)
  • 76 x FFAR Mighty Mouse rockets
  • 8 x Zuni Mk32 Mod 0 ATAP rockets
  • 4 x AGM-65B missiles
  • 1 x 30 mm GAU-13/A cannon (353 rpg)
  • 2 x AIM-9E Sidewinder missiles
  • 2 x AIM-9E Sidewinder missiles + 5 x 500 lb LDGP Mk 82 bombs (2,500 lb total)
  • 2 x AIM-9E Sidewinder missiles + 5 x 750 lb M117 cone 45 bombs (3,750 lb total)
  • 2 x AIM-9E Sidewinder missiles + 3 x 1,000 lb LDGP Mk 83 bombs (3,000 lb total)
  • 2 x AIM-9E Sidewinder missiles + 1 x 2,000 lb LDGP Mk 84 bomb (2,000 lb total)
  • 2 x AIM-9E Sidewinder missiles + 76 x FFAR Mighty Mouse rockets
  • 2 x AIM-9E Sidewinder missiles + 76 x FFAR Mighty Mouse rockets + 1 x 750 lb M117 cone 45 bomb (750 lb total)
  • 2 x AIM-9E Sidewinder missiles + 38 x FFAR Mighty Mouse rockets + 3 x 750 lb M117 cone 45 bombs (2,250 lb total)
  • 2 x AIM-9E Sidewinder missiles + 76 x FFAR Mighty Mouse rockets + 1 x 1,000 lb LDGP Mk 83 bomb (1,000 lb total)
  • 2 x AIM-9E Sidewinder missiles + 8 x Zuni Mk32 Mod 0 ATAP rockets
  • 2 x AIM-9E Sidewinder missiles + 8 x Zuni Mk32 Mod 0 ATAP rockets + 38 x FFAR Mighty Mouse rockets
  • 2 x AIM-9E Sidewinder missiles + 8 x Zuni Mk32 Mod 0 ATAP rockets + 3 x 500 lb LDGP Mk 82 bombs (1,500 lb total)
  • 2 x AIM-9E Sidewinder missiles + 8 x Zuni Mk32 Mod 0 ATAP rockets + 1 x 1,000 lb LDGP Mk 83 bomb (1,000 lb total)
  • 2 x AIM-9E Sidewinder missiles + 8 x Zuni Mk32 Mod 0 ATAP rockets + 3 x 750 lb M117 cone 45 bombs (2,250 lb total)
  • 2 x AIM-9E Sidewinder missiles + 4 x AGM-65B missiles
  • 2 x AIM-9E Sidewinder missiles + 1 x 30 mm GAU-13/A cannon (353 rpg)
  • 2 x AIM-9J Sidewinder missiles
  • 2 x AIM-9J Sidewinder missiles + 5 x 500 lb LDGP Mk 82 bombs (2,500 lb total)
  • 2 x AIM-9J Sidewinder missiles + 5 x 750 lb M117 cone 45 bombs (3,750 lb total)
  • 2 x AIM-9J Sidewinder missiles + 3 x 1,000 lb LDGP Mk 83 bombs (3,000 lb total)
  • 2 x AIM-9J Sidewinder missiles + 1 x 2,000 lb LDGP Mk 84 bomb (2,000 lb total)
  • 2 x AIM-9J Sidewinder missiles + 76 x FFAR Mighty Mouse rockets
  • 2 x AIM-9J Sidewinder missiles + 76 x FFAR Mighty Mouse rockets + 1 x 750 lb M117 cone 45 bomb (750 lb total)
  • 2 x AIM-9J Sidewinder missiles + 38 x FFAR Mighty Mouse rockets + 3 x 750 lb M117 cone 45 bombs (2,250 lb total)
  • 2 x AIM-9J Sidewinder missiles + 76 x FFAR Mighty Mouse rockets + 1 x 1,000 lb LDGP Mk 83 bomb (1,000 lb total)
  • 2 x AIM-9J Sidewinder missiles + 8 x Zuni Mk32 Mod 0 ATAP rockets
  • 2 x AIM-9J Sidewinder missiles + 8 x Zuni Mk32 Mod 0 ATAP rockets + 38 x FFAR Mighty Mouse rockets
  • 2 x AIM-9J Sidewinder missiles + 8 x Zuni Mk32 Mod 0 ATAP rockets + 3 x 500 lb LDGP Mk 82 bombs (1,500 lb total)
  • 2 x AIM-9J Sidewinder missiles + 8 x Zuni Mk32 Mod 0 ATAP rockets + 1 x 1,000 lb LDGP Mk 83 bomb (1,000 lb total)
  • 2 x AIM-9J Sidewinder missiles + 8 x Zuni Mk32 Mod 0 ATAP rockets + 3 x 750 lb M117 cone 45 bombs (2,250 lb total)
  • 2 x AIM-9J Sidewinder missiles + 4 x AGM-65B missiles
  • 2 x AIM-9J Sidewinder missiles + 1 x 30 mm GAU-13/A cannon (353 rpg)

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).

Pros and cons

Pros:

  • Great manoeuvrability
  • An almost overwhelming selection of air-to-ground armaments, including Bullpup and Maverick air-to-ground missiles
  • Generous ammunition capacity for guns
  • Small target
  • Efficient afterburner allows the use of lower fuel reserves, improving performance

Cons:

  • Low top speed
  • Can only carry a maximum of two air-to-air missiles
  • No ballistic computer

History

In the late 1960s, Northrop realized that by using an improved version of the General Electric J85 engine with more maximum thrust, the flight performance of the N-156 fighter could be improved a lot. During the test, the new J85-GE-21 engine was approved that it could produce almost 23% more thrust than the earlier J85-GE-13 engine used by early produced F-5A/B Freedom Fighter, F-5C Skoshi Tiger and T-38 Talon, which was 5000 pounds maximum thrust in afterburner mode and 3500 pounds thrust in military mode.

Official roll-out of first USAF F-5E Tiger II

As a result, the sixth production F-5B trainer was chosen to be modified with two new J85-GE-21 engines at Edwards AFB during the summer of 1969, and this upgraded version of Freedom Fighter with J85-GE-21 engine was called F-5-21 at that time. Overall, the new J85-GE-21 engine’s weight was 100 lbs less than J85-GE-13 engine, the length of J85-GE-21 engine was 7 inches longer than J85-GE-13 engine, and an additional stage was added to the front of the J85-GE-13 ’s previous eight-stage compressor to provide more extra power, through the single rotor structure was retained, apart from that, two auxiliary intake doors were added on the fuselage above the wing trailing edge (one on each side of fuselage) to provide additional air to the engines for added thrust during take-off and low-speed flight, the doors are ac powered and automatically or individually controlled from the new Central Air Data Computer. In the fall of 1969, USAF decided to hold a new competition to select a new international fighter for Allied countries, and Northrop’s F-5-21 program was announced the winner of new international fighter on 20th November 1970, then Northrop received the contract from USAF for the further development of F-5E fighter on 8th December 1970. In January 1971, USAF changed the new F-5 fighter’s nomenclature from F-5-21 to F-5E, and the latter was named Tiger II in memory of the previous Skoshi Tiger Combat Evaluation program in Vietnam.

As for the airborne avionics system, a Central Air Data Computer was introduced on the new F-5E Tiger II fighter, it could convert raw air data inputs into computed output, and transmit the results to other airborne electrical equipment such as Lead Computing Optical Sight (LCOSS) and Stability Augmenter System. The new AN/ASG-29 Lead Computing Optical Sight (LCOSS) replaced the non-computing fixed optical sight used by F-5A Freedom Fighter and F-5C Skoshi Tiger, which consisted a gyro lead computer (GLC) unit and an optical display unit (ODU), also an AIM-9 sidewinder missile select switch was provided to select the appropriate missile launch envelope program stored in the GLC, and the ODU contained sight controls, a mirror drive assembly, and a combing glass which reflected the aiming reticle, late production F-5E Tiger II fighter changed the original AN/ASG-29 LCOSS to the new AN/ASG-31 LCOSS. The most important equipment of the F-5E Tiger II fighter was the new AN/APQ-153 multi-mode, forward-looking, X-band pulse, Search and Fire Control Radar, which could provide air-to-air search, range, and track information for use in Air-to-Air gunnery and missile launch, it formed the F-5E fighter's Fire Control System together with LCOSS unit, also the late production version of F-5E Tiger II fighter used AN/APQ-159 (V) 3 Search and Fire control Radar instead of the previous AN/APQ-153 Radar.

As for the aerodynamic design, in order to increase the maneuverability of F-5E Tiger II fighter, Northrop decided to increase the total area of Leading Edge Extensions (LEX) sections which were 2.75 times as large as that on the F-5A Freedom Fighter, also the wing area was more than 9% greater than that of F-5A Freedom Fighter, this improvement helped to increase lift and CL max at high angle attack situation, also it could improve take-off and landing performance of F-5E Tiger II fighter too. The CL max of F-5E Tiger II fighter was increased to 1.4 compared with slightly lower than 1.2 of F-5A Freedom Fighter, and the maximum L/D at subsonic cruise speed was 10.  

Thanks to the increased maximum power of new engine, the maximum level flight speed of F-5E Tiger II was increased from Mach 1.4 to Mach 1.6, the maximum climb rate at sea level was also increased to more than 189 m/s, the empty weight was increased from 3600 kg to 4300 kg, and the maximum take off weight was increased to 9800 kg, also the maximum internal fuel capability of F-5E Tiger II was increased from 3790 pounds to 4536 pounds.

On 10th August 1972, the first F-5E Tiger II fighter completed its first flight at Edwards AFB. By March 1973, six F-5E Tiger II fighters comprised the test force. One interesting fact was that during these flight tests at Edwards AFB, at least one F-5F fighter was painted with Imperial Iranian Air Force (IIAF) desert camouflage because at that time Iranian government was still willing to buy American military equipment. The Saudi Arabian Air Force decided to buy several F-5E and F-5F in 1976, which the program was named Peace Hawk IV, as the Saudi Arabian Air Force wanted to add the AGM-65 Maverick Air-to-Ground missile firing ability and Radar Warning Receiver equipment on their F-5 fighters, F-5E 71-1418 was chosen to conduct the test flights with AGM-65 Maverick Air-to-Ground missiles, also F-5E 75-00462 was chosen to test the new Chaff/Flare dispenser and AGM-65 Maverick Air-to-Ground missiles too. Except for Saudi Arabia and Iran, many other third-world countries such as Brazil, Kenya, and Malaysia became the customer of F-5 fighters, and the total amount of countries and regions received F-5E Tiger II fighters were 37. Thought the Imperial Iranian Air Force (IIAF) was changed to Islamic Republic of Iran Air Force (IRIAF) as a result of the coup in 1979, but during the Iran-Iraq war in 1980s, many former Imperial Iranian Air Force pilots who were trained by the U.S decided to join the battle against Iraq with the name of Islamic Republic of Iran Air Force after they were been released by the government, even one time a F-5E Tiger II fighter of IRIAF successfully shot down a MiG-25 Foxbat interceptor of Iraq Air Force, the total air-to-air kills made by F-5 fighters of IRIAF was 23. 

By late November 1986, the F-5E/F Tiger II production line in California was finally shut down after it completed the last seven aircraft on the contract. Northrop built 2603 F-5 fighters in total including 1399 E and F models (793 F-5E and 146 F-5F Tiger II according to some sources). The first unit of USAF equipped with F-5E Tiger II fighters was the 425th Tactical Fighter Training Squadron (TFTS) at Williams AFB, which was responsible for the majority of the training of customer nation air and ground crew, they used F-5E Tiger II fighters until June 1989, 1499 students around the world were graduated from the 425th Tactical Fighter Training Squadron (TFTS). Apart from that, Imperial Iranian Air Force started to receive their F-5E Tiger II fighters in 1974, but as the war situation of South Vietnam became worse, American decided to diverted 18 F-5E Tiger II fighters from the later Iranian order to support the Republic of Vietnam Air Force.

As a result, a total of 55 F-5E Tiger II fighters were transported by the USA to South Vietnam before they lost the war on 30th April 1975. Except for battle damage and loss, about 27 F-5E fighters and 60-87 F-5A/B fighters that hadn’t escape to Thailand were captured by the North Vietnamese army after the defeat of South Vietnam. Through Vietnamese government decided to retain a small number of F-5 fighters and used them during the invasion of Cambodia, and they also sent some of the F-5 fighters to the Soviet Union. At first, the Soviet aircraft engineers didn't show much interest in the F-5E Tiger II fighters because of the low thrust of the J85 engine, and they still believe that their fighters were much better than Western products, according to the estimated report of F-5E Tiger II written by the Soviet engineers, they even thought that F-5E fighter ’s level acceleration performance was only as slow as a piston fighter, also the estimated rate of climb at sea level was only 160 m/s. As a comparison, the true rate of climb of F-5A Freedom Fighter was 189 m/s.

Therefore, they thought that used the latest MiG-23 fighters against F-5E fighters is really bullying, so they decided to let the MiG-21bis fighter, which entered into service in 1972, conduct simulated air combat with captured F-5E Tiger II fighter. The final result of that simulated air combat was beyond everyone's expectations: No matter what combat maneuver the MiG-21bis fighter did during the test, it couldn't avoid the fate of being shot down by F-5E fighter! The frustrated Soviet aircraft engineers decided to let their most advanced MiG-23M fighter at that time teach F-5E fighter a lesson, but the result was almost the same: Though the MiG-23M fighter could win in Beyond Visual Range battle because of its R-23R medium-range semi-active radar-guided missile, however, the F-5E fighter can always maintain at the six o'clock position of MiG-23M fighter through various air combat maneuvers. At last, the Soviet Union officially claimed that their aircraft was fully capable of competing with the most advanced fighter in the West at the time, but only the soviet pilots knew that their nightmare would continue until today. 

Three USAF aggressor unit F-5Es in formation.

Back in 1972, the USAF realized the need for dissimilar aircraft combat training, and they began to use T-38 Talon trainers as an aggressor aircraft at Nellis AFB, Nevada. Although the USAF wanted the more desirable F-5E Tiger II fighter jets to act as the aggressor ’s aircraft, the F-5E Tiger II fighter produced at the time were prioritized to South Vietnam to save the situation. After the Saigon government was finally fall in 1975, many F-5E Tiger II fighters including those former Republic of Vietnam Air Force ’s planes that escaped to Thailand successfully were transported to those aggressor squadrons of the USAF, apart from their homeland, the USAF also established some aggressor squadrons in England and the Philippines to train with other fighter squadrons overseas. As for the U.S Navy, they also realized the need for dissimilar aircraft combat training, even earlier than the U.S Air Force. The famous Top Gun program was first established in 1969, initially with A-4 Skyhawk, but later it was changed to T-38 Talon and F-5E Tiger II. In the 1980s, the U.S Navy introduced the F-16N Fighting Falcon and Israel F-21A Kfir as the new aggressor aircraft, therefore, the use of F-5E Tiger II was waned. In 2009, Northrop Grumman delivered the last 44 ex-Swiss Air Force F-5E Tiger II fighter to the U.S Navy after modification for use as aggressor aircraft, these 41 single seat fighter and three fighters modified from F-5E and F-5F were renamed F-5N by U.S Navy (one interesting fact was that in 1965, Northrop also tested a modified F-5A 63-8421 fighter which was equipped with two new J85-GE-15 engine, and this aircraft was initially named F-5N too, the N referred to Northrop), these aircraft were served in VFC-13 and VFC-111 aggressor squadrons in Nevada and Florida.

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See also

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External links


USA jet aircraft
  Fighters
F9F  F9F-2 · F9F-5 · F9F-8
F-80  F-80A-5 · F-80C-10
F-84  F-84B-26 · F-84F · F-84G-21-RE
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F-89  F-89B · F-89D
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F-4  F-4C Phantom II · F-4E Phantom II · F-4J Phantom II · F-4S Phantom II
F-5  F-5A · F-5C · F-5E · F-20A
F-8  F8U-2 · F-8E
F-14  F-14A Early · ▄F-14A IRIAF · F-14B
F-15  F-15A · F-15C MSIP II · F-15E
F-16  F-16A · F-16A ADF · F-16C
Other  P-59A · F2H-2 · F3D-1 · F3H-2 · F4D-1 · F11F-1
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FJ-4  FJ-4B · FJ-4B VMF-232
A-4  A-4B · A-4E Early
A-7  A-7D · A-7E · A-7K
AV-8  AV-8A · AV-8C · AV-8B Plus · AV-8B (NA)
A-10  A-10A · A-10A Late · A-10C
F-111  F-111A · F-111F
Other  A-6E TRAM · F-105D · F-117
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B-57  B-57A · B-57B