Warning Radar ("12-Go" Modify 2 Mobil Early Warning Radar) Type 2 Mark 1 Model 2 Modify 3 Mobil Early Warning Radar ("12-Go" Modify 3 Mobil Early Warning Radar) Type 3 Mark 1 Model 1 Early Warning Radar ("11-Go" Modify Early Warning Radar) Type 3 Mark 1 Model 3 Small Size Early Warning Radar ("13-Go" Small Size Early Warning Radar) Type 3 Mark 1 Model 4 Long-Range Air Search Radar ("14-Go" Long Range Air Search Radar) Type 2 Mark 4 Model 1 Anti-aircraft Fire-Control Radar (Japanese SCR- 268) (S3 Anti-aircraft Fire-Control Radar) Type 2 Mark 4 Model 2 Anti-aircraft Fire-Control Radar (Japanese SCR-268) (S24 Anti-aircraft Fire-Control Radar) Airborne Radar Type 3 Air Mark6 Model 4 Airborne Ship-Search Radar (H6 Airborne Ship-Search Radar) N6 Airborne Ship-Search Radar Type 5 Model 1 Radio Location Night Vision Device Shipborne Radar Type 2 Mark 2 Model 1 Air Search Radar ("21-Go" Air Search Radar) Type 2 Mark 2 Model 2 Modify 3 Anti-Surface, Fire-assisting Radar for Submarine ("21-Go" Modify 3 Anti-Surface, Fire-assisting Radar) Type 2 Mark 2 Model 2 Modify 4 Anti-Surface, Fire-assisting Radar for Ship ("21-Go" Modify 4 Anti-Surface, Fire-assisting Radar) Type 2 Mark 3 Model 1 Anti-Surface Fire-Control Radar ("31-Go" Anti Surface Fire-Control Radar) Type 2 Mark 3 Model 2 Anti-Surface Fire-Control Radar ("32-Go" Anti Surface Fire-Control Radar) Type 2 Mark 3 Model 3 Anti-Surface Fire-Control Radar ("33-Go" Anti Surface Fire-Control Radar) Radar-equipped Bomber devices for maritime reconnaissance/antisubmarine patrol Mitsubishi G3M3 (Model 23) (Allied codename: "Nell"): This long-range bomber, beginning in 1943, was used as a radar-equipped maritime reconnaissance and electronic warfare aircraft. Mitsubishi G4M1 (Model 11/12) "Betty": From 1942, the G4M was also used for the same purposes as the G3M Nakajima B5N2 ("Kate")/Nakajima B6N1-2 Tenzan ("Jill"): In 1944, some torpedo bombers of mentioned types used with antisubmarine, radar detection (with finding radar equipment) and similar purposes in short- or medium-range maritime search missions from carriers or land bases. Aichi E13A1b ("Jake") Mark 11B:how model 11A, added surface-search radar and other night conversion with radar (E13A1b-S) Kawanishi H6K2,4, and 5 "Mavis" Marks 11, 22, and 23:more powerful engines, for ultra long range missions, long range sea radio equipment and surface-search radar added. Kawanishi H8K2 ("Emily") Mark 12:More potent engines for ultra-long range maritime recon missions, major heavy armament; also long range sea radio equipment and air-surface search radar added. Kawanishi E7K2 ("Alf") Mark 2: short range seaplane, fitted with magnetic anomaly detection