Ghana Civil Aviation Authority 2007. Under the GCAA Act 678, the functions of GCAA include the following: Ghana Civil Aviation Authority GCAA or Ghana Civil Aviation Authority is the national aviation authority and regulatory agency of the Republic of Ghana for air transportation in the country. It has its headquarters in Kotoka Airport in Accra. It also provides air navigation services within the Accra Flight Information Region (FIR), which comprises the airspace over the Republic of Ghana and a large area over the Atlantic Ocean in the Gulf of Guinea. Togo and Benin took over their Airspace in 2015. The GCAA was established in
Benin north to the Atlantic Ocean in the south is about . Although the coastline measures , the country measures about at its widest point. Benin shows little variation in elevation and can be divided into four areas from the south to the north, starting with the low-lying, sandy, coastal plain (highest elevation ) which is, at most, wide. It is marshy and dotted with lakes and lagoons communicating with the ocean. Behind the coast lies the Guinean forest-savanna mosaic-covered plateaus of southern Benin (altitude between ), which are split by valleys running north to south along the Couffo, Zou, and