schwere Flak-Abteilung 521 (o)

Formed 26 Aug 1939 in Magdeburg from parts of I./Flak-Regiment 52, with 1. - 5. Batterien (1. - 4. schwere, 5. scheinwerfer). Until Jul 1942 known as Res.Flak-Abt. 521.

Reorganised as a schwere Abteilung in late 1942:

5./gem.521 became 3./140, and was reformed (RAD 3./181)

6. - 9./s.521 was formed in mid-1944:

6./s.521 from s.Flak-Bttr.zbV 10706
7./s.521 from s.Flak-Bttr.zbV 10724
8./s.521 from s.Flak-Bttr.zbV 10432
9./s.521 from s.Flak-Bttr.zbV 10733

10./s.521 was formed in late 1944 from 6./633.

1./s.521 was known as RAD 3./182 from 1944.

Service:

• 1939 in Hannover
• Aug 1940 at Hannover (Langenhagen)
• 1943/44 as Flakuntergruppe Hannover-Süd
• 1 Nov 1943 in Hannover under 15. Flak-Brigade (Stab/Flak-Regiment 25)
  • in Braunschweig under 15. Flak-Brigade (Stab/Flak-Regiment 65) [1./s.521]
• 1 Jan 1944 in Hannover under 15. Flak-Brigade (Stab/Flak-Regiment 25)
  • in Bad Zwischenahn under 8. Flak-Brigade (Stab/Flak-Regiment 63) [1./s.521]
• 1 Feb 1944 in Hannover under 15. Flak-Brigade (Stab/Flak-Regiment 25)
  • in Bad Zwischenahn under 8. Flak-Brigade (Stab/Flak-Regiment 63) [1./s.521]
• 1 Mar 1944 in Hannover under 15. Flak-Brigade (Stab/Flak-Regiment 25)
  • in Bad Zwischenahn under 8. Flak-Brigade (Stab/Flak-Regiment 63) [1./s.521]
• 1 Apr 1944 in Hannover under 15. Flak-Brigade (Stab/Flak-Regiment 25)
  • in Bad Zwischenahn under 8. Flak-Brigade (Stab/Flak-Regiment 63) [1., 5./s.521]
• 1 May 1944 in Hannover under Flak-Brigade zbV (Stab/Flak-Regiment 25)
  • in Bad Zwischenahn under 8. Flak-Brigade (Stab/Flak-Regiment 63) [1., 5./s.521]
• 1 Jun 1944 in Hannover under 8. Flak-Brigade (Stab/Flak-Regiment 25)
  • in Bad Zwischenahn under 8. Flak-Division (Stab/Flak-Regiment 63) [1., 5./s.521]
• 1 Jul 1944 in Hannover under 8. Flak-Brigade (Stab/Flak-Regiment 25) [2., 4./s.521]
  • in Bremen under 8. Flak-Division (Stab/Flak-Regiment 26) [1./s.521]
  • in Braunschweig under 8. Flak-Brigade (Stab/Flak-Regiment 65) [5./s.521]
• 1 Aug 1944 in Hannover under 8. Flak-Brigade (Stab/Flak-Regiment 25) [Stab, 2., 4./s.521]
  • in Bremen under 8. Flak-Division (Stab/Flak-Regiment 26) [1./s.521]
  • in Braunschweig under 8. Flak-Brigade (Stab/Flak-Regiment 65) [5./s.521]
• 1 Sep 1944 in Oberschlesien under 11. Flak-Division (Stab/Flak-Regiment 106) [Stab/s.521]
  • in Bremen under 8. Flak-Division (Stab/Flak-Regiment 26) [1./s.521 under Stab/s.531]
  • in Hannover under 8. Flak-Brigade (Stab/Flak-Regiment 25) [2., 4./s.521 under Stab/s.461]
  • in Braunschweig under 8. Flak-Brigade (Stab/Flak-Regiment 65) [5./s.521 under Stab/le.925]
• 1 Oct 1944 in Oberschlesien under 11. Flak-Division (Stab/Flak-Regiment 106) [Stab/s.521]
  • in Bremen under 8. Flak-Division (Stab/Flak-Regiment 26) [1./s.521 under Stab/s.531]
  • in Hannover under 8. Flak-Brigade (Stab/Flak-Regiment 25) [2., 4./s.521 under Stab/s.461]
  • in Braunschweig under 8. Flak-Brigade (Stab/Flak-Regiment 65) [5./s.521 under Stab/s.165]
• 1 Nov 1944 in Oberschlesien under 11. Flak-Division (Stab/Flak-Regiment 106) [Stab, 6.-7., 9./s.521; 8./s.521 under Stab/s.380]
  • in Bremen under 8. Flak-Division (Stab/Flak-Regiment 26) [1./s.521 under Stab/s.531]
  • in Hannover under 8. Flak-Brigade (Stab/Flak-Regiment 25) [2., 4./s.521 under Stab/s.461]
  • in Braunschweig under 8. Flak-Brigade (Stab/Flak-Regiment 65) [5./s.521 under Stab/s.165]
• 1 Dec 1944 in Oberschlesien under 11. Flak-Division (Stab/Flak-Regiment 106) [Stab, 6.-7., 9./s.521; 8./s.521 under Stab/s.380]
  • in Bremen under 8. Flak-Division (Stab/Flak-Regiment 26) [1./s.521 under Stab/s.531]
  • in Hannover under 8. Flak-Brigade (Stab/Flak-Regiment 25) [2., 4./s.521 under Stab/s.461]
  • in Braunschweig under 8. Flak-Brigade (Stab/Flak-Regiment 65) [5./s.521 under Stab/s.165]