-AH-64D Apache Longbow developed in accordance with the United States Army's Developmental Attack Helicopter (AAH) plan, adopted AH-64D Apache Longbow, radar equipped type with the development of the all-weather attack helicopter AH-64A Apache adopted The AH-64C was not equipped with a type that is not equipped, but the name of AH-64C was abolished at the end of 1993, and with or without a radar, it was called AH-64D Apache Longbow.
-The greatest feature of the on-board sensors is the Firearm Control Radar (FCR), also called Longbow Radar, mounted on the top of the main rotor mast. Target detection, identification, automatic selection of attack targets and integration are carried out It is a new generation attack helicopter with superior control ability at the time of battle by the system management.