1924
First attempts to re-establish a sports flight operation in Osnabrück. Founded: "Ring der Flieger Osnabrück" (former military aviators).
1925
The association is officially renamed the "Osnabrück Association for Aviation" ("OVfL"). Founding of Luftverkehrs AG in Osnabrück.
2 aircraft Focke Wulf A 16
Participation: 1/3 City of Osnabrück, 1/3 Chamber of Industry and Commerce Osnabrück, 1/3 OVfL.
Founding of Fliegersport GmbH Osnabrück for the training of powered pilots.
Founding of a young flying group in the "Ring der Flieger" – beginning of the gliding movement in Osnabrück.
Sources: Press report
1926/1927
Construction of the first Osnabrück glider Berolina – Osnabrück I. First flight on 23 May 1927 on the Atterheide.
1928
Osnabrück already has three gliders. Liquidation of Fliegersport GmbH – the 4 aircraft are given to the Motorflieger in the OVfL. The OVfL receives a new free balloon and christens it "Osnabrück II".
1929
The Ring der Flieger becomes a member of the OVfL. According to the new statutes, there are now four air sports in the OVfL:
Powered flight
Gliding
Model aircraft
Balloon Ride
1933 July/August
The Osnabrück Aviation Association has to dissolve. The National Socialists take over aviation and air sports in the German Air Sports Association. In Osnabrück, a local aviation group is formed.
Sources: Press report
1935
Netterheide will be closed as an airfield. This is where the Winkelhausen barracks are built. Only the old aircraft hangar remains and is now (2008) a listed building.
The motor pilots go to Münster, and the glider pilots find airfields in the Osnabrück area.
1935
A new airfield is to be built in Achmer for Osnabrück aviation. Other sites, such as on the Hase, east of the Fledder, are out of the question, as the area here was flooded at times at that time.
From 1936
The site near Achmer was taken over by the Reich, and it was here that the military airfield and later Achmer Air Base were built.
1937
The German Air Sports Association is dissolved and transferred to the NSFK National Socialist Flying Corps. "Sport flight operations" only in the Flieger HJ and in the NSFK. Air sports are now pre-military training at the latest, even if many of those involved at the time did not feel that way.
01. 09. 1939
Beginning of the 2nd World War. Glider training was also carried out in the Osnabrück region until the spring of 1945 (the Luftwaffe needed pilots).
08. 05. 1945
Surrender. End of the 2nd World War. After that, all flight operations were banned. Neither model flight, gliding or powered flight are allowed. All aircraft and aircraft are confiscated or destroyed. The Achmer airfield is completely destroyed and used as a military training area for tank training.

