Creil Air Base — Creil, France

Creil Air Base, known in flight-planning references as CSF, occupies a site north of Paris in France's Oise department that has served French military aviation for the better part of a century. The base has hosted reconnaissance, transport, and various tactical units over its history, playing a role in French air operations well beyond the immediate region. While primarily a defense installation, Creil has at times supported cargo flights and limited civil aviation activity alongside its military functions. Proximity to Paris, roughly forty minutes by road, has made the base useful for logistics tied to the capital without adding traffic to the city's main commercial airports.