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Mitsubishi Heavy Industries B1M Military
Witteman-Lewis XNBL-1 Military
Quick facts
ManufacturerMitsubishi Heavy Industries—
TypeBombersBombers
Origin Empire of Japan🇺🇸 United States
First flight19231923
StatusRetiredRetired
Units built4431
Unit cost——
Powerplant
Engine model—Liberty L-12A

At a glance

Units built

Mitsubishi Heavy Industries B1M
443
Witteman-Lewis XNBL-1
1

Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.