4 decal variants:
1. Caudron 445 Goéland, Aeronavalé, Vichy France, July 1940
2. Caudron 445 Goéland, Aeronavalé, Fréjus St.-Raphael, V. France 1942
3. Caudron 445 Goéland, LAPE Lineas Aereas Postales Esp., Spain 1937
4. Caudron 445 Goéland, Aeroput Airlines, Yugoslavia 1941
The main undercarriage units retracted into the engine nacelles. Construction was wooden throughout, with wooden skinning everywhere but the forward and upper fuselage sections, which were skinned in metal. As usually configured, the cabin seated six passengers with baggage compartments fore and aft, and a toilet aft.