We flew business class on Turkish Airlines via IST. The aircraft was different for each of our flights (some angled flat, some completely flat, etc.) with solid entertainment systems. They gave our son his own children's amenity kit complete with child sized headphones, socks, eye shades, and Turkish Airlines' branded toys. But the standouts for this airline were the food service and the international business lounge in IST. The onboard food was some of the best we've ever had on a flight and was presented beautifully by an onboard "chef". All of Turkish Airlines' food was catered by Do & Co. The lounge had two levels of more exceptional hot and cold Turkish food items as well as a golf simulator, slot cars, a pool table, a cinema, sleeping rooms and a children's play area with video games, etc. It was a great way to travel.