View source for Jet fighter generations (Ajax)

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{{Region_icon_Ajax}}
Various features in {{wp|Fighter aircraft|jet fighters}} are described in terms of "generations", whereby a typical {{wp|jet aircraft|jet}} fighters of a given generation tends to have a certain class of {{wp|engine}}s, {{wp|avionics}}, etc., and a typical jet fighter of the succeeding generation tends to have a different (and superior) set of engines, avionics, etc.

==Classification==
Fight aircraft in [[Ajax]] are classified into successive generations based on their technology and design elements. This system was initially developed by military historians in the 1970s and widely adopted by the world. 

* '''1st Generation''' - High subsonic, conventional armament
* '''2nd Generation''' -  Transonic air-to-air missiles, radar, Early supersonic radar, air-to-air missiles
* '''3rd Generation''' - Supersonic (limited purpose), Mach 2 air-air missiles only, Multi-purpose fighter-bombers
* '''4th Generation''' - Also 4+ and 4++. Supersonic (multirole), Supersonic multirole (4), high efficiency. High manoeuvrability (4), Enhanced capabilities, advanced avionics, limited stealth (4+, 4++)
* '''5th Generation''' - Advanced integrated avionics, low observable stealth


== First generation (Post 1942)==

{| class="wikitable sortable" style="text-align: left"
|-
! Aircraft
! Role
! Primary<br/>Builder 
! Number<br/>built
! First<br/>flight
! Service<br/>life
|-
| [[Falcus Designs Me-490]] || {{Wpl|Jet Fighter}} || {{ORE}} || Unknown || 1947 || 1948 - 1955
|-
|}

== Second generation ==
These jet fighters started to regularly use onboard {{wp|radar}} and passive-homing {{wp|infrared}}-guided (IR) {{wp|missiles}}. Early IR missile sensors had poor sensitivity and a very narrow field of view (typically no more than 30°)

{| class="wikitable sortable" style="text-align: left"
|-
! Aircraft
! Role
! Primary<br/>Builder 
! Number<br/>built
! First<br/>flight
! Service<br/>life
|-
| [[Falcus Designs Me-500]] || {{wp|Jet Aircraft}} || {{ORE}} || 250 || 1954 || 1955 - 1970
|-
| [[Greenwich Tigress and Super Tigress]] || {{wp|Jet Aircraft}} || {{flagicon|Arthurista}}[[Arthurista]] ||   || 1954/1956 || 1955 - 1984
|-
| {{wp|Saab 35 Draken|Geem E-35 Draco}}|| {{wp|Jet Aircraft}} || {{flagicon|Ghant}}[[Ghant]] ||   || 1955 || 1960 - 1988
|-
| [[Mikasa Gallienus MiK-58]]|| {{wp|Jet Aircraft}} || {{flagicon|Elatia}}[[Elatia]] ||   || 1957 || 1959 - Present
|-
| [[Ahuriri Aerospace Kokotere]] || {{wp|Jet Aircraft}} || {{flag|Onekawa-Nukanoa}} || Unknown || 1947 || 1950 - 1968
|}

== Third generation ==
The archetype of this generation is the [Insert Aircraft], the [Insert Nation] jet fighter model with the highest production number to date.

* improved {{wp|air-to-air missiles}}
* improved radar systems ({{wp|look-down/shoot-down}})
* other avionics
* air-to-air missiles became the primary weapons for air superiority fighters, which employed more sophisticated radars and medium-range RF AAMs to achieve greater "stand-off" ranges,
* guided ground-attack missiles
* first truly effective avionics for enhanced ground attack
* terrain-avoidance systems.
* {{wp|Air-to-surface missiles}} (ASM) equipped with electro-optical (E-O) contrast seekers 
* laser-guided bombs (LGBs) became widespread

{| class="wikitable sortable" style="text-align: center"
|-
! Aircraft
! Role
! Primary<br/>Builder 
! Number<br/>built
! First<br/>flight
! Service<br/>life
|-
| {{wp|McDonnell F-101 Voodoo|Airing-Copwell Shark}} || {{wp|Escort fighter|Bomber Escort\Penetration Fighter}} ||  {{flagicon|Belfras}} [[Belfras]] || 120 || 1954 ||1955 - 1971
|-
| {{wp|Convair F-102 Delta Dagger|Airing-Copwell Spectre}} || {{wp|Jet Fighter}}\{{wp|Interceptor Aircraft}} ||  {{flagicon|Belfras}} [[Belfras]] || 158 || 1953 ||1956 - 1980
|-
| {{wp|Convair F-106 Delta Dart|Airing-Copwell Super-Spectre}} || {{wp|Jet Fighter}}\{{wp|Interceptor Aircraft}} ||  {{flagicon|Belfras}} [[Belfras]] || 277 || 1958 ||1959 - 1992
|-
|{{wp|McDonnell Douglas F-4 Phantom II|Braun DS-2000 Adler}}|| {{wp|Interceptor Aircraft|Interceptor}} & {{wp|Fighter-Bomber|Fighter Bomber}} || {{flagicon image|Flag_of_Brumen.png}} [[Brumen]] || 63 || 1962 || 1965 - Present
|-
| [[Falcus Designs Me-510]] || {{wp|Jet Fighter}}\{{wp|Interceptor Aircraft}} || {{ORE}} ||  Unknown || 1953 || 1960 – Present
|-
| [[Continental Reaper]] || {{wp|Jet Fighter}} || {{flagicon|Belfras}} [[Belfras]] ||  Unknown || 1958 || 1960 – Present
|-
|[[Mikasa Gallienus MiK-70]]||{{wp|Jet Fighter}}||{{flagicon|Elatia}}[[Elatia]]||Unknown||1968||1972-Present
|-
|{{wp|Saab 37 Viggen|Geem E-37 Vikken}}||{{wp|Jet Fighter}}||{{flagicon|Ghant}}[[Ghant]]||Unknown||1967||1971-2005
|-
| [[Ahuriri Aerospace Kērangi]] || {{wp|Fighter Bomber}} || {{flag|Onekawa-Nukanoa}} || Unknown || 1957 || 1960 - 1989
|-
|{{wp|Northrop F-5|K'akmul 5}}||{{wp|Jet Fighter}}||{{flagicon|Mutul}}[[Mutul]]||Unknown||1959||1959-Present
|-
|{{wp|Dassault Mirage III|Tiara 600}}||{{wp|Interceptor aircraft}}||{{flag|Talahara}}||200+||1956||1961-1995
|-
|}

== Fourth, 4+ and 4++ generation ==

Fourth-generation designs are heavily influenced by lessons learned from the previous generation of combat aircraft. 

* much higher maneuverability due to low static stability, made possible by {{wp|fly-by-wire}} flight control system
* advances in {{wp|digital computer}}s and system integration techniques
* system upgrades such as AESA, digital avionics buses and {{wp|IRST}}

{| class="wikitable sortable" style="text-align: left"
|-
! Aircraft
! Role
! Primary<br/>Builder 
! Number<br/>built
! First<br/>flight
! Service<br/>life
|-
| [[Arthuristan Dynamics/Ahuriri Aerospace Cyclone]] || {{wp|Jet Fighter}} || {{flagicon|Arthurista}} [[Arthurista]]/{{flagicon|Onekawa-Nukanoa}}[[Onekawa-Nukanoa]] ||  Unknown || 1973 || 1975 - Present 
|-
|[[Arthuristan Dynamics Fury]]|| {{wp|Jet Fighter}} || {{flagicon|Arthurista}} [[Arthurista]] ||  Unknown || 1975 || 1978 - Present 
|-
|[[Arthuristan Dynamics Kestrel]]|| STOVL Jet Fighter || {{flagicon|Arthurista}} [[Arthurista]] ||  Unknown || 1968 || 1972 - 2018 
|-
|[[Aigios/Arthuristan Dynamics Whirlwind]]|| STOVL Jet Fighter || {{flagicon|Arthurista}} [[Arthurista]]/{{flagicon|Belfras}} [[Belfras]] ||  Unknown || 1988 || 2004 - Present 
|-
|[[Aigios Ifrit]]|| {{wp|Multirole fighter aicraft}} || {{flagicon|Belfras}} [[Belfras]] || 300+ || 1979 || 1982 - Present
|-
|[[Aigios Shrike]]|| {{wp|Multirole fighter aicraft}} || {{flagicon|Belfras}} [[Belfras]] || 200+ || 1997 || 2000 - Present
|-
|{{wp|Eurofighter Typhoon|VA-15 Falken}}|| {{wp|Multirole combat aicraft}} || {{flagicon image|Flag_of_Brumen.png}} [[Brumen]] || 124 || 1998 || 2002 - Present
|-
| [[Falcus Designs Me-550]] || {{wp|Multirole combat aircraft}} || {{ORE}} || 295 || 1996 || 1998 - Present 
|-
| {{wp|General Dynamics F-16 Fighting Falcon|Mi-10.2 Taguato}} || {{wp|Multirole combat aircraft|Multirole}} {{wp|Fighter Aircraft}} || {{flag|Sante Reze}} || Unknown || 1974 || 1976 - Present
|-
|{{wp|Saab JAS 39 Gripen|Geem E-39 Grifo}}||{{wp|Multirole combat aircraft}}||{{flagicon|Ghant}}[[Ghant]] || Unknown || 1988 || 1996 - Present
|-
|[[Mikasa Gallienus MiK-88]]||{{wp|Multirole combat aircraft}}||{{flagicon|Elatia}}[[Elatia]]||Unknown||1978||1982 - Present
|-
|[[Sorranus So-30]]||Air superiority fighter||{{flagicon|Elatia}}[[Elatia]]/{{flagicon|Jhengtsang}}[[Jhengtsang]]||Unknown||1985||1988 - Present
|-
|[[Ferron Cojgé]]||{{wp|Multirole combat aircraft}}||{{flagicon|Wazheganon}}[[Wazheganon]] || Unknown || 1988 || 1994 - Present
|-
|{{wp|Northrop F-20 Tigershark|K'akmul 20}}||{{wp|Multirole combat aircraft}}||{{flagicon|Mutul}}[[Mutul]]||Unknown||1982||1985-Present
|-
|{{wp|FMA SAIA 90|Jub'mulan 90}}||{{wp|Multirole combat aircraft}}||{{flagicon|Mutul}}[[Mutul]]||Unknown||1997||2003-Present
|-
|{{wp|Dassault_Mirage_2000#Mirage_2000-5F|Tiara 630Y}}||{{wp|Multirole combat aircraft}}||{{flag|Talahara}}||100||1978||1984-Present
|-
|{{wp|Dassault_Mirage_2000N/2000D#Mirage_2000D|Tiara 630S}}||{{wp|Attack aircraft}}||{{flag|Talahara}}||136||1986||1991-Present
|-
|{{wp|Dassault_Mirage_4000|Tiara 640U}}||{{wp|Multirole combat aircraft}}||{{flag|Talahara}}||182||1998||2004-Present
|-
|{{wp|F-15 Eagle|Kai-79 Hayabusa}}||{{wp|Multirole combat aircraft}}||{{flagicon|Tsurushima}}[[Tsurushima]]||Unknown||1979||1981-Present
|-
|{{wp|F-15 STOL/MTD|ZLv.79/L-N}}||{{wp|Multirole combat aircraft}}||{{flagicon|Tsurushima}}[[Tsurushima]]/{{flagicon|Ostrozava}}[[Ostrozava]]||Unknown||1997||2004-Present
|-
| [[UFC Tempest]] || {{wp|Multirole combat aircraft}} || [[United Fighter Corporation]] || Unknown || 1992 || 2003 - Present
|-
| [[Ahuriri Aerospace Whaitiri Kāhu]] || {{wp|Multirole combat aircraft}} || {{flag|Onekawa-Nukanoa}} || Unknown || 1986 || 1991 - Present
|-
| {{wp|Boeing EA-18G Growler|OI-9.A Agbateru}} || {{wp|Electronic warfare aircraft}} || {{flag|Sante Reze}} || 150+ || 2006 || 2008 - Present
|-
| {{wp|Panavia Tornado|Morgenroete F-103 Ótkon}} || {{wp|Strike aircraft}} || {{flagicon|Gristol-Serkonos}} [[Gristol-Serkonos]] ||  200 || 1973 || 1979 - Present 
|-
|}

== Fifth generation ==
* General design concern about radar cross-section (RCS), in particular:
**{{wp|Leading_edge_extension#Chine|chine}}s instead of standard leading edge extensions or canards
** {{wp|Bomb bay|internal weapon bay}}s instead of outboard weapon pylons
** a high percentage of {{wp|composite material}}s (also to reduce weight)
* {{wp|commercial off-the-shelf}} main processors to directly control all sensors to form a consolidated view of the {{wp|battlespace}} that is then shared via low observable data links.
* newest generation of high performance {{wp|jet engines}}

{| class="wikitable sortable" style="text-align: center"
|-
! Aircraft
! Role
! Primary<br/>Builder 
! Number<br/>built
! First<br/>flight
! Service<br/>life
|-
| [[UFC F-29 Hurricane]] || Stealth {{wp|Multirole combat aircraft}} || [[United Fighter Corporation]] || 300+ || 2003 || 2002 - Present
|-
| [[Oxidentale Jet Works Mi-14 Harpy Eagle]] || Stealth {{wp|Multirole combat aircraft}} || [[Oxidentale Jet Works]] || 230 || 2005 || 2007 - Present
|-
| [[Morgenroete F-104 Ghost]] || Stealth {{wp|air superiority fighter}} || [[Morgenroete Aerospace]] || 63 || 1995 ||  2012 - Present
|-
|}
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