Career
He was one of a very few aces on the Ottoman Front. Croneiss was one of the German pilots assigned to duty with Germany"s allies, the Ottoman Empire. 1916 successes As such, he was assigned to Feldflieger Abteilung 6, which was also known as the Jasta Chanak Kale—Turkei as early as late 1915 or early 1916.
His first aerial victory came on 7 January 1916, when he downed a Farman bomber over El Sedd-ul-Bahr.
The next day, he downed a Royal Naval Air Service Voisin III LAS in the vicinity of Cape Helles. On 4 February 1916, his victory was over a reconnaissance two-seater at Baba-Tepe, off Imbros.
1918 success On 24 January 1918, Croneiss shot down a Sopwith over the Gulf of Saros. His fifth victory came on 23 May 1918, when he destroyed a Sopwith fighter.
Having survived the war as an oberleutnant, Croneiss became a sporting aviator.
He became director of a flying club that sponsored Willy Messerschmitt. He later evolved into a test pilot for the Messerschmitt Company. Theodor Jacob Croneiss died on 7 November 1942.