Albatros D.VI was the designation given to a prototype single-seat twin-boom pusher

Pusher

Pusher may refer to:* A dealer in the illegal drug trade* Pusher , a 1996 Danish film by Nicolas Winding Refn* Pusher II, a 2004 film sequel* Pusher III, a 2005 film sequel* Pusher configuration, an aircraft configuration...

 biplane built in 1917 in Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

. It was armed with an 7.92 mm (.312 in) LMG 08/15 machine gun

Machine gun

A machine gun is a fully automatic mounted or portable firearm, usually designed to fire rounds in quick succession from an ammunition belt or large-capacity magazine, typically at a rate of several hundred rounds per minute....

 and a fixed 20 mm Becker

20 mm Becker

The 20 mm Becker was a German automatic cannon developed for aircraft use during World War I. It was first mass produced in 1916 and was installed in a variety of aircraft; the only German autocannon to actually see service in the air during the war....

 cannon.

The aircraft's undercarriage

Undercarriage

The undercarriage or landing gear in aviation, is the structure that supports an aircraft on the ground and allows it to taxi, takeoff and land...

 was damaged on landing from its maiden flight in February 1918 and was never repaired, the project being abandoned in May of that year due to other projects of higher priority. The 130 kW (180 hp) Mercedes D.III

Mercedes D.III

The Mercedes D.III, or F1466 as it was known internally, was a six-cylinder, liquid cooled inline aircraft engine built by Daimler and used on a wide variety of German aircraft during World War I. The initial versions were introduced in 1914 at 160 hp, but a series of changes improved this to...

a engine was eventually removed for use in a different aircraft.