Formed 26.8.39 in Hamburg-Altona from parts of III./Flak-Regiment 6, with 3 Batterien (known as Res.Flakscheinwerfer-Abt. 609 until 7.42).

4./Sw.609 was formed in 1943.

Disbanded 7.44.

Service:

• 1941 in Hamburg under Stab/Flak-Regiment 123
• 1.11.43 in Flensburg under Luftgau XI (Stab/Flak-Regiment 123)
• 1.1.44 under Luftgau XI (Stab/Flak-Regiment 123)
• 1.2.44 in Flensburg under Luftgau XI (Stab/Flak-Regiment 66)
• 1.3.44 in Hamburg under 3. Flak-Division (Stab/Flakscheinwerfer-Regiment 161)
• 1.4.44 in Hamburg under 3. Flak-Division (Stab/Flakscheinwerfer-Regiment 161)
• 1.5.44 in Osnabrück under 8. Flak-Brigade (Stab/Flak-Regiment 9)
• 1.6.44 in Bremen under 8. Flak-Division (Stab/Flakscheinwerfer-Regiment 160)
• 1.7.44 in Bremen under 8. Flak-Division (Stab/Flakscheinwerfer-Regiment 160)

© 1997-2003 Michael Holm