They reached out to Lufthanse asking them. They responded: "Luggage trackers are electronic devices so they have to be turned off when the luggage is checked".
It is unclear wether they really understood how AirTags work and that they are not active trackers.
There are a bunch of other magazine echoing this response but I have yet to find an official statement by Lufthansa explicitly banning AirTags.
The [primary source](https://www.watson.de/leben/urlaub%20&%20freizeit/879935671-...) is a slightly clickbait article asking the questions: "Are AirTags allowed in checked luggage?".
They reached out to Lufthanse asking them. They responded: "Luggage trackers are electronic devices so they have to be turned off when the luggage is checked".
It is unclear wether they really understood how AirTags work and that they are not active trackers.
There are a bunch of other magazine echoing this response but I have yet to find an official statement by Lufthansa explicitly banning AirTags.