EHKD Den Helder Airport De Kooy

De Kooy Airfield (Dutch: Vliegveld De Kooy) (IATA: DHR, ICAO: EHKD) is an airfield 2.9 NM (5.4 km; 3.3 mi) south of Den Helder, Netherlands, named after the nearby hamlet De Kooy. It serves as both a civilian airport under the name Den Helder Airport and a naval airport under the name Naval Air Station De Kooy (Dutch: Maritiem Vliegkamp De Kooy).

Most movements on the De Kooy are made by helicopters, bringing workers to and from offshore oilrigs and naval helicopters such as the NH90 of the Naval Aviation Service of the Royal Netherlands Navy. Fixed-wing aircraft visit and operate from the airport alongside. Skyline Aviation operates from De Kooy, mainly operating business aircraft and also do airwork such as aerial photography for civilian and military contractors. Amongst its fleet of aircraft most noticeable are several Aero L-39 Albatros jets.