Coast Guard Air Station San Francisco is a United States Coast Guard Air Station located 13 miles (21 km) south of downtown San Francisco, California, at the San Francisco International Airport in an unincorporated area of San Mateo County. The air station sits adjacent to the airport which consists of its own ramp, one hangar, an administration building and several other support structures.

Coast Guard Sector/Air Station Humboldt Bay is a United States Coast Guard Air Station and Sector, with command and primary assets located at the Arcata-Eureka Airport in McKinleyville, California, 16 miles north of Eureka in Humboldt County. The station is the site of the command center for all Coast Guard personnel stationed and assets located on the coasts of Humboldt, Mendocino, and Del Norte Counties. It is one of four air stations in the Eleventh Coast Guard District.