TURK HAVA YOLLARI revenue for the last year amounted to 504.40 B TRY, the most of which — 491.54 B TRY — came from its highest performing source at the moment, Aviation, the year earlier bringing 305.71 B TRY. The greatest contribution to the revenue figure was made by Europe — last year it brought TURK HAVA YOLLARI 152.65 B TRY, and the year before that — 91.85 B TRY.