Sabiha Gökçen International Airport serves as the hub for what airline headquartered in the Kurtköy area of Pendik, Istanbul?
Sabiha Gökçen International Airport:  Located 35 km southeast of central Istanbul, Sabiha Gökçen is on the Asian side of the bi-continental city and serves as the hub for Pegasus Airlines as well as a base for Turkish Airlines and Borajet.
i don't know