Formed 26.8.39 in Dortmund from parts of III./Flak-Regiment 4, with 3 Batterien (known as Res.Flakscheinwerfer-Abt. 409 until 7.42).

4./Sw.409 was formed in 1942.

Disbanded 2.44:

2./Sw.409 became 5./518
3./Sw.409 became 4./518

Service:

• 7.41 in Duisburg(?)
• 6.42/5.43 in Duisburg
• 1.11.43 in Duisburg under 4. Flak-Division (Stab/Flakscheinwerfer-Regiment 74)
• 1.1.44 in Duisburg under 4. Flak-Division (Stab/Flakscheinwerfer-Regiment 74)
• 1.2.44 in Duisburg under 4. Flak-Division (Stab/Flakscheinwerfer-Regiment 74)

© 1997-2003 Michael Holm