The McMullen Mac Airliner was a late 1920s American light airliner powered by a Liberty L-12 V-12 engine of World War I origin. The sole prototype was destroyed in a hangar fire.
The McMullen Mac Airliner was a late 1920s American light airliner powered by a Liberty L-12 V-12 engine of World War I origin. The sole prototype was destroyed in a hangar fire. (en)
The McMullen Mac Airliner was a late 1920s American light airliner powered by a Liberty L-12 V-12 engine of World War I origin. The sole prototype was destroyed in a hangar fire. (en)