The German Air Services lost just 66 aircraft from all causes.

Already in his 30s when he learned to fly, he was one of the oldest pilots in the Imperial German Air Service.

After the war, the German Air Service was dissolved.

On 10 August 1915, he transferred to the German Air Service (Fliegertruppe).

The German Air Service at the time claimed the loss was due to (friendly) anti-aircraft fire.

It became the most successful fighter squadron in the German Air Service.

At the beginning of World War I he tried join to the German Air Service as a volunteer, but was rejected due to his poor health.

The Eindecker granted the German Air Service a degree of air superiority from July 1915 until early 1916.

Francke joined the German Air Service in 1914.

The German Air Services recorded the loss of 66 aircraft during the same period.