schwere Flak-Abteilung 503 (o)

Formed Apr 1940 in Luftgau VII with 1. - 5. Batterien (1. - 3. schwere, 4. - 5. leichte). Until Jul 1942 known as Res.Flak-Abt. 503.

Reorganised as a schwere Abteilung in mid-1942 with 3 Batterien:

4./Res.503 became 3./876
5./Res.503 became 4./876

Destroyed May 1943 in Tunisia.

Reformed Jul 1943 in Linz with 4 Batterien.

5. - 7./s.503 was formed in 1944:

5./s.503 from s.Flak-Bttr.zbV 6424
6./s.503 new
7./s.503 from s.Flak-Bttr.zbV 6423

Service:

• 1939/42 in Luftgau VII(?)
• Jan 1943/Mar 1943 in Bizerta
• 1 Nov 1943 in Linz under 16. Flak-Brigade Stab/Flakscheinwerfer-Regiment 1)
• 1 Jan 1944 in Linz under 24. Flak-Division Stab/Flakscheinwerfer-Regiment 1)
• 1 Feb 1944 in Linz under 24. Flak-Division Stab/Flakscheinwerfer-Regiment 1)
• 1 Mar 1944 in Linz under 24. Flak-Division Stab/Flakscheinwerfer-Regiment 1)
• 1 Apr 1944 in Linz under 24. Flak-Division Stab/Flakscheinwerfer-Regiment 1)
• 1 May 1944 in Linz under 24. Flak-Division Stab/Flakscheinwerfer-Regiment 1)
• 1 Jun 1944 in Linz under 24. Flak-Division Stab/Flakscheinwerfer-Regiment 1)
• 1 Jul 1944 in Linz under 7. Flak-Brigade
• 1 Aug 1944 in Linz under 7. Flak-Brigade (Stab/Flak-Regiment 118)
• 1 Sep 1944 in Linz under 7. Flak-Brigade (Stab/Flak-Regiment 118)
• 1 Oct 1944 in Linz under 7. Flak-Brigade (Stab/Flak-Regiment 118) [Stab, 1.-5., 7./s.503]
• 1 Nov 1944 in Linz under 7. Flak-Brigade (Stab/Flak-Regiment 118) [Stab, 1.-5., 7./s.503]
• 1 Dec 1944 in Linz under 7. Flak-Brigade (Stab/Flak-Regiment 118) [Stab, 1.-5., 7./s.503]