Avranches airfield islocated on Le Val-Saint-Père township in La Manche department. Officially opened in 1934, he has the speciality of being located on the submarine aera bay of Mont Saint-Michel called "herbus". The airport has two runways, covered by the sea when the tidal range approaching 110. Because of this, the airport is restricted throughout the year. In 1937, Antoine de Saint-Exupery landed on it twice with a Caudron "Simoun".