AeroVault
Historic aircraft type

Mitsubishi G4M

The Mitsubishi G4M was a twin-engine, land-based medium bomber manufactured by the Mitsubishi Aircraft Company, a part of Mitsubishi Heavy Industries, and operated by the Air Service (IJNAS) of the Imperial Japanese Navy from 1940 to 1945. Its official designation was Mitsubishi Navy Type 1 attack bomber and was commonly referred to by Japanese Navy pilots as Hamaki due to the cylindrical shape of its fuselage and its tendency to ignite after a hit. The Allied reporting name was "Betty".

At a Glance
Manufacturer
Mitsubishi
First flight
1939
Era
WWII
Tags
WWII, Bomber, Japan, Piston

Why It Mattered

The Mitsubishi G4M was a twin-engine, land-based medium bomber manufactured by the Mitsubishi Aircraft Company, a part of Mitsubishi Heavy Industries, and operated by the Air Service (IJNAS) of the Imperial Japanese Navy from 1940 to 1945. Its official designation was Mitsubishi Navy Type 1 attack bomber and was commonly referred to by Japanese Navy pilots as Hamaki due to the cylindrical shape of its fuselage and its tendency to ignite after a hit. The Allied reporting name was "Betty".

Design Notes

See sources for design and configuration details.

Operational History

See sources for wartime service and operators.

Afterlife

Surviving airframes are documented in the sources.

Visual Archive

Survivors

No survivors listed yet.