Headquartered in Tehran, Caspian Airlines (RV) flies to about 25 destinations in the Middle East. These include about 20 cities in Iran as well as destinations in Iraq, Turkey and the United Arab Emirates. The airline primary hub is at Mehrabad International Airport (THR). Caspian Airlines' fleet contains one McDonnell Douglas MD-82 plane and four McDonnell Douglas MD-83 planes. Each passenger has a free baggage allowance of 20 kg on domestic flights and 30 kg on international flights.