Yes, passengers of legal drinking age can enjoy complimentary alcoholic beverages on Turkish Airlines flights, including a selection of wines, beers, and spirits served during meal services or upon request. On long-haul international flights, cabin crew routinely offer drinks alongside meals or snacks. However, service policies can occasionally vary based on the specific aircraft cabin class, regional route regulations, or operational guidelines, and flight attendants maintain the right to monitor alcohol consumption to ensure passenger safety and comfort throughout the flight.