The flow of check-in procedures at Turkish Airlines is as follows. First, at the Turkish Airlines check-in counter, please present your ID (driver's license, passport, etc.) and any other relevant documents such as medical certificates or discounted fare proof. Once your documents are verified, you can check in your baggage. Please note that excess baggage fees may apply. A staff member will then provide you with your boarding pass.

Turkish Airlines has different baggage allowance limits depending on the class you are flying in. For international business class, the limit is 30g, and for economy class, the limit is 20g. There is no limit on the amount of baggage that can be brought on board per passenger on international flights. For some routes (such as direct flights to North America and flights from Germany to Turkey), the baggage allowance and the number of pieces that can be brought on board vary. Please check the website for more detailed information.

Not all seats on Turkish Airlines aircraft are equipped with power outlets. Some aircraft have power outlets available for all passengers, while others only have them in Business Class. Similarly, USB ports are available on all seats on some aircraft, but may be limited to Business Class seats on others.