The Mitsubishi G4M was the main twin-engine, land-based bomber used by the Imperial Japanese Navy Air Service in World War II. The Allies gave the G4M the identification name of Betty.
Total production of G4M1 Model 11 - 1172 examples including prototypes,
G4M2 Models 22, 22 Ko and 22 Otsu - 429 examples,
G4M2a, Models 24, 24 Ko, 24 Otsu, 24 Hei, and 24 Tei - 713 examples,
G4M3 Models 34 Ko, 34 Otsu, and 34 Hei - 91 examples.
G6M1 - 30 examples
In all versions 2,435 examples were produced.
