Union calls on Lufthansa pilots to go on strike. Solidarity or support strikes are generally permitted under German labor law as long as they remain proportionate and appear suitable to support the main industrial action.
The pilots have already staged a five-hour warning strike and two regular strikes since December. The comparatively small holiday airline Discover, with 24 Airbus jets and around 420 pilots, only departs from Frankfurt and Munich and is primarily intended to compete with Condor in the tourist business.