Embraer 175 Alaska SkywestE 175 Alaska Airlines Skywest airplane model. The E175 is a slightly stretched version of the E170 and first entered revenue service in July 2005. The E175 typically seats around 78 passengers in a typical single class configuration, 76 in a dual class configuration, and up to 88 in a high density configuration. Scale: 1 72. Wingspan: 15. 75 inches. Length: 18 inches