LGW - Luftfahrtgesellschaft Walter (Dortmund) has commenced operation of two E190s (D-ARJC, c/n 19000349 and D-ARJF, c/n 19000420) on behalf of Air Berlin (1991) (Berlin Tegel) with both aircraft currently based at Berlin Tegel. A further two of the ex-Niki (Austria) (Vienna) aircraft are due in Düsseldorf where they will be based for Air Berlin's upcoming summer schedule.