OPS-24

{{Infobox radar

|name = OPS-24

|image = OPS-24B radar on board DD-109.jpg

|caption = OPS-24 on {{JS|Ariake|DD-109}}

|country = Japan

|introdate = 1990

|number =

|type = 3D Air-search

|frequency = L band

|range =

|altitude =

|diameter =

|azimuth = 0-360°

|elevation =

}}

The OPS-24 is a shipborne three-dimensional air search radar adopting active electronically scanned array (AESA) technology.

OPS-24 was developed by the Technical Research and Development Institute (TRDI) of the Ministry of Defence, and manufactured by the Mitsubishi Electric. It is the first AESA radar employed on an operational warship, introduced on the {{JDS|Hamagiri|DD-155}}, the first ship of the latter batch of the {{sclass|Asagiri|destroyer}}, launched in 1988.{{Cite journal|author=Tomohiko Tada|date=March 2010|title=4. Radar/ECM/ESM (Shipboard weapons of JMSDF 1952-2010)|journal=Ships of the World|issue=721|pages=100–105|publisher=Kaijin-sha|language=Japanese}} It is also being used on the Murasame and {{sclass|Takanami|destroyer}}s.