- Bezeichnung: Hauptschalter für Kurssteuerung
- Anforderungszeichen: Fl.22505-1
- Baumuster: Lzs 4
- Hersteller: Askania-Werke A.G., Berlin
- Baujahr: 1938
- Verwendung: für pneumatische Askania-Kurssteuerung
- Eingebaut in: in mehrmotorigen Flugzeugbaumustern, z.B. Junkers Ju 52 /3m
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