Athens Airways (Athens) has returned three of its four ERJ-145s and has replaced them with two ATR 42-300s wet-leased from Hemus Air (DU/Sofia). It also uses a BAe 146-300 wet-leased from Astra Airlines (AZI/Thessaloniki). Athens Airways has reduced a lot of frequencies for the winter season on its existing routes but has also added a variety of new public service obligation routes that it has inherited from Olympic Airways for a temporary period until the routes are reawarded through a tender process on April 1: Athens-Ikaria: 4x weekly ATR 42-300 service Athens-Karpathos: 8x weekly ERJ-145 service Athens-Kithira: 5x weekly ATR 42-300 service Athens-Skiathos: 2x weekly ATR 42-300 service Kavala-Mytilene: 2x weekly ERJ-145 service Kerkyra-Preveza-Kefalonia-Zakinthos: 2x weekly ATR 42-300 service Sitia-Alexandroupolis: 2x weekly ERJ-145 service Sitia-Preveza: 2x weekly ERJ-145 service Thessaloniki-Chios: 3x weekly ATR 42-300 service Thessaloniki-Kerkyra: 5x weekly ATR 42-300/ERJ-145 service Thessaloniki-Samos: 3x weekly ATR 42-300/ERJ-145 service Athens Airways has given up its routes from Athens to Kastoria, Kefalonia, Kozani, Mykonos and Zakinthos.