YF-4H-1 (Model 98S)

First Flight : 27.05.1958

Redesignated AH-1 powered by two J79-2 engines and equipped with a APQ-50 radar. Was used for test flights against the Vought F8U-3. It was used for various tests until October 1959, when it crashed, killing the pilot. Prototype No.2 was used for further tests.

F4H-1 (later F-4A) 35 planes built in blocks 1-5. It had a redesigned inlet configuration and the APQ-72 radar. From aircraft 19 onward the crew seats were raised and more capacious canopies were fitted. These improved the visibilty of the crew. Most were used by the RAG´s when the F-4B was introduced.
F4H-1 (later F-4B)

First Flight : 25.03.1961

649 planes built in Blocks 6-28. This was the first definitive production varaint of the F-4. It had a fully operational APQ-72 (81 cm dish) with APA-157 illuminator, a full set of hardpoints and other avionics updates. The engine were the J-79 GE-8A or 8B variants.

EF-4B Designation of F-4B serving with VAQ-33 "Firebrids" as high speed targets and threat simulators to train air defence personal. These aircraft were not heavily modified but contained some unique electrical equipments.
NF-4B Designation allied to two F-4Bs employed in test work at Naval Air Development Center (NAVAC) in Westminster (Pennsylvania) in the 70s.
QF-4B

25 planes converted.

Variant of the F-4B used as a target drone.

RF-4B

First Flight : 12.03.1965

46 planes built. US Marine Corps variant of the US Air Force RF-4C. Mainly a F-4B with the nose section of a RF-4C.

F-110 (later F-4C)

First flight : 27.05.1963 (production F-4C)

583 planes built. Air Force variant of the F-4B. Two F-4B were loaned to the Air Force for a 120 days trials period, being painted in TAC markings and designated F-110 A. After succesful tests, it was descided to built an Air Force variant of the F-4B with small changes to the F-4B. The Radar was modified for better ground attack modes and designated APQ-100. The IR seeker was not used. The back cockpit was fitted with controls.

EF-4C

36 planes converted.

Informal designation apllied to F-4Cs temporarily converted into Wild Weasel aircraft in 1968. These variant could only employ the AGM-45 Shrike missile.

YRF-4 C

First Flight : 08.08.1963

Protoype for the RF-4C. (two planes converted from F-4B while in production)

RF-4C

First flight : 18.05.1964

503 planes built. Recon variant of the F-4C. Capabiliy for A-G weapons removed, but nuclear capability retained. APQ-72 / APQ-100 radar replaced by much smaller APQ-99 used for mapping and terrain collison avoidance. Later replaced by the APQ-172 in all suriving RF-4C. Three camera stations available, which could be fitted with different cameras, depending on mission. Furthermore a mapping radar AN/APQ-102 (later replace by AN/APQ-110 on some aircraft) was fitted that could be used in a 20° angel from the flight path. Early version had a angular shaped nose (like RF-4B), later produtions had a more rounded nose.

F-4D

First flight : 09.12.1965

825 planes built. Externally almost indentical to the F-4C the F-4D was the first F-4 variant tailored to the need of the USAF. APQ-109A radar as part of the AN/APA-65 radar set which introduced air to ground ranging modes. First delivered only wirde for AIM-4 Falcon and AIM-7 Sparrow AAM. But AIM-9 capability quickly added. Could carry laser designator pods and various jamming pods.

EF-4D

4 planes converted.

Prototypes for a possbile convertion of the F-4D for Wild Weasel duties.

YF-4E

First flight : 07.08.1965

3 planes converted. (1 RF-4C, 1 F-4C, 1 F-4D)

Protoytypes for the F-4E. The first F-4 variant with an internal cannon. Mainly used to test the configuration of the gun and associated equipment.

F-4E

First flight : 30.06.1967

1389 planes built. First variant of the F-4 with an internal cannon. (M61A1 20 mm) Furthermore the variant introduced the long "turkey-feather" afterburner, the slotted stabilisator. No.7 fule cell was increased in volume. Self-sealing fueltanks were added from Block 41 on. TISEO was fitted to late production aircraft, as were leading-edge slats to enhance the manouverabilityy of the F-4. Most earlier aircraft were retrofitted with slats.

F-4 Agile Eagle Study aircraft to test slats configuration.
F-4E (F) Single seat variant of the F-4E, designed for Germany. (not produced)
F-4 EJ

first flight : 14.01.1971

140 planes built. Variant of the F-4E for Japan, optimized for Interceptor duties. Some US equipment was replace by localy built equipment. A F-4 EJ was the last F-4 built. (20.05.1981)

F-4 EJ Kai

first flight : 17.07.1984

96 planes converted. SLEP programm for Japanese F-4 EJ. A new radar APG-66 J was fitted, giving the plane a look-down and shoot-down capability. Further items like HUD and other equipment were also upgraded.

F-4 E(S)

first flight : 20.12.1975

3 planes converted. Conversion of three IDF/AF F-4Es to carry the HIAC-1 LOROP camera.

RF-4E

first flight : 15.09.1970

150 planes built. Recon variant of the F-4E, made from an RF-4C style nose fitted to a F-4E airframe. Two nose shapes are known, a angular nose on German examples (like RF-4B and early RF-4C) and a more rounded nose associated with later RF-4Cs.

RF-4 EJ

first flight : 26.11.1974

14 planes built. Variant of the RF-4E for Japan.

RF-4 EJ Kai

first flight : feb. 1992

17 planes converted. Upgrade of the RF-4 EJs and conversion of F-4 EJs to RF-4 EJ standard. The converted F-4 EJs remain the original nose section (with gun) amd carry poded recon equipment.

F-4 F

first flight : 18.05.1973

175 planes built. Reduced capability variant of the F-4 E for Germany. Sparrow capabilty deleted and No.7 fuel cell removed. Simplified APQ-120 radar with no Sparrow illumination capabilty. (added in 1981)

F-4 F ICE

First flight : July 1989

110 planes converted. Upgrade of German F-4F with AN/APQ 65 radar from F/A-18 Hornet and AMRAAM capabilty. Further updates were made to the avioncis suite. But the IFF still lacked an interogator capability. A changed nose cone clearly marks all upgraded aircraft.

A smaller number of F-4F were only upgraded to a partial ICE standard having no new radar or AMRAAM capability. The old nose cone is the mark for this variant.

F-F FBW, F-4 PACT, F-4 CCV one plane converted. YRF-4c prototype converted to test FBW control systems. Later added were canard forplanes to be used for CCV tests.
F-4 G

first flight : 20.03.1963

12 planes converted. Variant of the F-4 B with a datalink to give the plane a automatic carrier landing capability. All planes reworkes to F-4 B standard.

F-4 G

first flight : 06.12.1975

116 planes converted. Variant of the F-4 E used for Wild Weasel duties. The gun was removed to make room for additional equipment used to identify and locate enemy radars. The AN/APR 38 radar and missile detection equipment was used to pinpoint enemy radras, while anti-radar missiles could be used to attack these radars. (AGM-45 Shrike, AGM-78 Standard, AGM-88 Harm) Standard stores could be carried as well.

F-4 (HL) Proposed to the UK in 1966. Extended wingspan and powered by Rolls Royce engines, designed for use from HMS Eagle.
F-4 J

first flight : 27.05.1966

522 planes built. Follow on to the F-4B. AN/AWQ-10 fire control system with APG-59 radar added, able to track high and low alltitude targets. Soltted stabilisator to reduce approach speed.

F-4 J (UK)

first flight : 30.08.1984

15 planes built. F-4Js deliverd to Britain in 1984 to fill a gap till the introducion off the Tornado F.3 variant.

F-4 J (FV)S and F-4M (FV)S Variant of the F-4 with a variable-geometry wing like the F-14 tomcat. RollsRoyce RB-168-27R engines. (not built)
DF-4 J F-4 J converted to serve as a drone director
EF-4 J 2 converted. F-4 Js used by VAQ-33 as threat simulators to train air defence personal.
YF-4 K Phantom FG.Mk 1

first flight : 27.06.1966

2 planes built. Protoypes for the british F-4s. Based on F-4 J but fitted with Rolls Royce Spey engines, new inlet ducts, a folding randome, raised nose oleo, strengthened arrestor hook and other modifications for use on the smaler UK carriers.

F-4 K Phantom FG.MK 1

first flight : 02.11.1966

50 planes built. Phantom variant for use on british carriers. Half of the planes were directly transfered to the RAF, cause of the retirement of british carriers. Equipped with the AN/AWG-11 fire control system (licencse built AWG-10)

F-4 L Designation of a US Navy Spey powered F-4, for use on smaller US carriers which relied on the F-8 Crusader. (not built)
YF-4M Phantom FGR.Mk2

first flight : 17.02.1967

2 planes built. F-4 variant for the RAF after british projects were cancelled. Equipped with the Spey engine (RAF wanted J-79) and equipped with lots of british equipment.

F-4M Phantom FGR.Mk2

first flight : 26.12.1967

116 planes built. Production variant of the F-4 for the RAF. Spey engines and other british equipment installed. AN/AWQ-12 installed. First used for ground attack, but later returned to interceptor duties after the Jaguar was introduced. The the SkyFlash missile was used instead of the Sparrow.

F-4 N

first flight : 04.06.1972

228 planes converted. Upgrade and SLEP for the F-4B. Only small changes to avionics suite. Radar remained unchanged.

QF-4 N Conversion of F-4 N for drone use.
F-4 S

first flight : 22.07.1977

248 converted. Upgrade and SLEP for the F-4J. Leading-edge slats were installed (similar to F-4 E but not the same). Smokeless engines installed, AN/AWG-10B digital weapon-control system installed.

QF-4 S One F-4 S converted to drone use.
F-4 T Stripped down variant of the F-4 E optimized for air superiority role. (not built)
F-4 X and RF-4 X Advanced F-4 E derivatives used to carry the LOROP camera. A water injection system was to be used for the J-79 engines (water stored in conformal fule tanks) A redesigned intake should have seen the plane able to reach up to Mach 3.2 and a cruise speed of Mach 2.7. The plane attracted interest as it was a grat interceptor (without LoROP) amd so became a threat to possible F-15 sales. So the program died.
"Super" F-4 Phantom Boeing upgrade proposal for US Air Force Reserve and ANG F-4s. The planes were to be equipped with AN/APG-68 radar and P&W 1120 turbofans and a belly mounted fuel tank. Sytmes from the F/A-18, F-16 and F-20 would have been used to update the avionics. The program died cause of a lack of interest on the side of the USAF.
Kurnass 2000

first flight : 15 July 1987

Israeli upgrade programm for the F-4. First to use the P&W 1120 engines, this was later dropped. So only a normal avionics and cockpit upgrade was made and fitted to all Israeli F-4s. (and to Turky F-4 fleet later on)

Terminator 2020

first flight : 11 February 1999

Based on the Israeli Kurnass upgrade 64 F-4E were upgraded to Terminator 2020 standard. Apart from some modifications and service life extension of the airframe it adds HOTAS controls to the front cockpit an ELTA ELO/M-2032 radar, embed GPS INS, Elsra electronic warfare systems and a new wide angle HUD.

F-4 E
Peace Icarus
2000

first flight : 28 April 1998

Based on the Germani ICE upgrade 64 F-4E were upgraded to Peace Icarus 2000 standard. Main aaddition is the new APG-65Y eadar, that can alos be found in the ICE upgraded F-4Fs of the German Air Force. But is also contains a new GPS/INS, new HUD and most importantly a new IFF which allows to make full use of the capabiliteis of the AIM-120 that has also been integrated. All 38 aircraft are ready to use the Rafael LITENING pod and are capable of employing precision guided weapons.