J/APG-1

{{Short description|Type of aircraft radar system}}

{{Infobox Radar

|name=J/APG-1

|image=JAPG-1 antenna.png

|caption=

|country=Japan

|introdate=

|number=

|type=Solid-state active electronically scanned array (AESA)

|frequency=

|range=60nmi/110km(RCS 5m2)

|altitude=

|diameter=700mm

|azimuth=

|elevation=

|precision=

|power=

}}

The J/APG-1 is an active electronically scanned array (AESA) radar system designed and manufactured by Mitsubishi Electric for use on the Mitsubishi F-2 fighter aircraft starting in 2002.{{cite web |title=J/APG-1 |url=https://www.deagel.com/Sensor%20Systems/JAPG-1/a003143 |website=Deagel.com |publisher=Deagel |access-date=9 January 2022}} It was the first series production AESA to be introduced on a military aircraft in service. It is currently being upgraded to the J/APG-2 standard for compatibility with the new AAM-4B air-to-air missile.[http://aviationweek.com/awin/japan-upgrading-60-f-2s-aam-4-japg-2 Japan Upgrading 60 F-2s With AAM-4, J/APG-2]