View source for YJ-91

{{Short description|Chinese anti-radiation/anti-ship missile}}
{{Use dmy dates|date=January 2022}}
{{Use American English|date=January 2022}}
{{distinguish|text=[[YJ-9]], a lightweight anti-ship missile}}
{{Infobox weapon
| is_missile         = yes
| name               = YJ-91
| alt                = missile under a wing
| image              = Russian_missile_-MAKS_Airshow_2003.JPG
| caption            = Russian Kh-31 missile
| origin             = [[People's Republic of China]]
| type               = [[anti-radiation missile|Anti-radiation]] or [[anti-ship missile|anti-ship]] [[cruise missile]]
| used_by            = [[People's Republic of China]]
| manufacturer       = 
| unit_cost          = 
| propellant         = 
| production_date    = 
| service            = 
| engine             = 
| engine_power       = 
| weight             = 
| length             = 
| height             = 
| diameter           = 
| wingspan           = 
| speed              = [[Mach number|Mach]] 3.5{{sfn|Gormley|Erickson|Yuan|2014|p=22}}
| vehicle_range      = 15-120 km{{sfn|Gormley|Erickson|Yuan|2014|p=22}}
| ceiling            = 
| altitude           = 
| filling            = 87–90 kg HE blast/fragmentation{{sfn|Gormley|Erickson|Yuan|2014|p=22}}
| guidance           = Passive/anti-radiation{{sfn|Gormley|Erickson|Yuan|2014|p=18}}
| detonation         = 
| launch_platform    = Air launched{{sfn|Gormley|Erickson|Yuan|2014|p=22}}
}}

The '''YJ-91''' ({{zh|t=鷹擊-91|s=鹰击-91|l=Eagle Strike-91}}) is an [[anti-radiation missile|anti-radiation]] [[air-to-surface missile|air-to-surface]] [[cruise missile]] produced by the [[People's Republic of China]]. It is a derivative of the [[Tactical Missiles Corporation|Zvezda-Strela]] [[Kh-31|Kh-31P]] anti-radiation variant.{{sfn|Gormley|Erickson|Yuan|2014|p=22}}

==Development==
In 1994, China purchased the right to manufacture the Kh-31P missile but reportedly modified the seeker for the PLA's needs.<ref>{{cite web|url=https://www.twz.com/37513/we-may-just-have-got-the-first-glimpse-of-chinas-new-air-launched-anti-radiation-missile |title=This May Be Our First Glimpse Of China’s New Air-Launched Anti-Radiation Missile |website=The War Zone |date=9 November 2020 |first=Thomas |last=Newdick }}</ref>

The YJ-91A is the anti-ship variant.<ref>{{cite web |last1=Rupprecht |first1=Andreas |title=Images show PLANAF J-15s armed with KD-88 and YJ-91 missiles |url=https://www.janes.com/defence-news/news-detail/images-show-planaf-j-15s-armed-with-kd-88-and-yj-91-missiles |website=Janes |date=15 November 2019 |access-date=7 April 2022}}</ref>

==Variants==
;YJ-91: Original variant. Anti-radiation missile.
;YJ-91A: Anti-ship missile variant.

==Operators==
;{{CHN}}
*[[People's Liberation Army Air Force]]
*[[People's Liberation Army Naval Air Force]]

==References==
===Citations===
{{reflist}}

===Bibliography===
{{refbegin}}
*{{cite report |last1=Gormley |first1=Dennis M. |last2=Erickson |first2=Andrew S. |last3=Yuan |first3=Jingdong  |date=2014 |title=A Low-Visibility Force Multiplier: Assessing China's Cruise Missile Ambitions |url=http://ndupress.ndu.edu/Portals/68/Documents/Books/force-multiplier.pdf |location=Washington, D.C. |publisher=[[National Defense University (Washington, D.C.)|National Defense University]] Press }}
{{refend}}

{{Chinese Missiles}}

[[Category:Guided missiles of the People's Republic of China]]
[[Category:Anti-ship cruise missiles of the People's Republic of China]]
[[Category:Air-to-surface missiles]]
[[Category:Anti-radiation missiles of the People's Republic of China]]
[[Category:Military equipment introduced in the 1990s]]