The Short S.23 was rather short on range and it seems that a stop on the Saône river in Mâcon was sometimes necessary on the leg between Portsmouth and Marseille. The Hôtel d'Europe et d'Angleterre in Mâcon says the flying boats moored at their doorsteps and this seems to be correct - the Pont Saint-Laurent bridge is just visible under the wing and the pointy house seen above the cockpit still stands. Photo from: Bibliothèque municipale de Lyon

Castor flying the light blue Civil Air Ensign before its first commercial flight to Alexandria, which took two and a half days according to schedule. Photo from: Nationaal Archief (Netherlands)