Gem Air Gem Air Gem Air is a commuter airline based in Salmon, Idaho, United States. It is owned by the former owners of Salmon Air. They sold the Salmon Air name to McCall Aviation, but kept their operating certificate. When their non-compete clause with McCall Aviation expired, they began full operations again, under the same certificate, but with the new Gem Air name. Gem Air provides on-demand flights to the Idaho backcountry as well as multiple towns and cities within the state, including Boise, Salmon, Stanley, and McCall. Scheduled service is offered September-May between Boise and Salmon. Idaho Utah Gem Air's
Georgia State Route 300 in a different part of the state, was much shorter, traveling from Monticello to a point northeast of Monticello (and about north of Eatonton), and existed from the 1960s to the 1980s. SR 300 begins at the Florida state line, where it is concurrent with US 19. On the Florida side of the state line, US 19 is concurrent with Florida State Road 57 (SR 57, which is unsigned), and is known as the Florida–Georgia Parkway. At the state line, SR 3 and SR 300 begin. US 19/SR 3/SR 300 head northwest until they enter Thomasville. In the city, they