leichte Flak-Abteilung 840 (o)
Stab/le.840 new
1./le.840 from 1./979
2./le.840 from 4./524
3./le.840 from 4./463
4./le.840 from 5./463
5. - 7./le.840 was formed in early 1943.
In late 1942 3./le.840 became le.Flak-Bttr.zbV 3803, and was reformed; In early 1943 1./le.840 became 1./979, and was reformed from 2./717; In 1943 4./le.840 became 2./955, and was reformed.
In 1944 3./le.840 was disbanded, and was reformed from 2./849; 6./le.840 was disbanded, and not reformed.
In Dec 1944 2./le.840 became 4./Flak-Regiment 31; not reformed.
- Aug 1942 in Dortmund
- 1 Nov 1943 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124)
- 1 Jan 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124)
- 1 Feb 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124)
- 1 Mar 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124)
- 1 Apr 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124)
- 1 May 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124)
- 1 Jun 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124)
- 1 Jul 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124)
- 1 Aug 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124) [Stab, 1.-7./le.840]
- 1 Sep 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124) [Stab, 1.-5., 7./le.840]
- 1 Oct 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124) [Stab, 1., 3.-5., 7./le.840]
- 1 Nov 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124) [Stab, 1., 3.-5., 7./le.840]
- 1 Dec 1944 in Dortmund under 22. Flak-Division (Stab/Flak-Regiment 124) [Stab, 1., 3.-5., 7./le.840]
- 1945 in Ruhr pocket