Formed 26.8.39 in Bielefeld from parts of II./Flak-Regiment 4, with 1. - 5. Batterien (1. - 3. schwere, 4. - 5. leichte). Until 7.42 known as Res.Flak-Abt. 405.

Reorganised as a schwere Abteilung in late 1943:

4. - 5./gem.405 converted to schwere Flak

5./s.405 was disbanded in early 1944.

Service:

• 1939 in Luftgau VI
• 12.40/1.42 in Boulogne
• 9.42 in München
• 1943 in Düsseldorf and later Rosenheim
• 1.11.43 in Masuren under Luftgau I (Stab/Flak-Regiment zbV)
• 1.1.44 in Masuren under Luftgau I (Stab/Flak-Regiment 110)
• 1.2.44 in Masuren under Luftgau I (Stab/Flak-Regiment 110)
• 1.3.44 in München (Flakuntergruppe Graben) under 4. Flak-Brigade (Stab/Flak-Regiment 19)
• 1.4.44 in Augsburg under 4. Flak-Brigade (Stab/Flakscheinwerfer-Regiment 2)
• 1.5.44 in Augsburg under 26. Flak-Division (Stab/Flakscheinwerfer-Regiment 2)
• 1.6.44 in Augsburg under 26. Flak-Division (Stab/Flak-Regiment 115)
• 1.7.44 in Brüx under 7. Flak-Brigade (Stab/Flak-Regiment 88)
• 1.8.44 in Brüx under 7. Flak-Brigade (Stab/Flak-Regiment 88)
• 1.9.44 in Brüx under 7. Flak-Brigade (Stab/Flak-Regiment 88)
• 1.10.44 in Brüx under 7. Flak-Brigade (Stab/Flak-Regiment 88)
• 1.11.44 in Brüx under 4. Flak-Brigade (Stab/Flak-Regiment 88)
• 1.12.44 in Brüx under 4. Flak-Brigade (Stab/Flak-Regiment 88)
• 2.45 an der Oder under 23. Flak-Division (Stab/Flak-Regiment 140) with 3 Batterien

© 1997-2003 Michael Holm