π bund.de
Bundesportal | Apply for authorization or exemption for flight, duty and rest times or submit a notification
You must apply for a permit from the Federal Aviation Office (LBA) for flight, duty and rest times. Changes or exceptions are also subject to approval. You must notify the LBA of commanders' decisions involving more than one hour.
β https://verwaltung.bund.de/leistungsverzeichnis/en/leistung/99080121006000