Kirkwall Airport (IATA: KOI, ICAO: EGPA) is the main airport serving the Orkney Islands in Scotland. It is located 2.5 NM (4.6 km; 2.9 mi) southeast of Kirkwall and is owned by Highlands and Islands Airports Limited. The airport is used by Flybe franchise service, operated by Loganair.
The airport was built and commissioned in 1940 as RAF Grimsetter for the defence of the Scapa Flow naval base. In 1943 the Royal Naval Air Service took over, as RNAS Kirkwall then HMS Robin. Control passed in 1948 to the Ministry of Civil Aviation and in 1986 to Highlands and Islands Airports.