In 1980 and 1981, Air Sierra was flying nonstop to Fresno (FAT) with continuing direct service to Lake Tahoe (TVL) with Piper Navajo twin prop aircraft. Also in 1981, Wings West Airlines operating as an independent commuter air carrier was operating nonstop flights to Santa Monica (SMO), Oakland (OAK) and Sacramento (SMF) with Cessna 402 twin prop aircraft.
From 1980 to 1981, Air Sierra utilized Piper Navajo twin-engine planes for nonstop service between Fresno (FAT) and Lake Tahoe (TVL).  In the same period, Wings West Airlines, operating as an independent commuter airline, provided nonstop flights from their base to Santa Monica (SMO), Oakland (OAK), and Sacramento (SMF) using Cessna 402 twin-engine aircraft.