High Quality Content by WIKIPEDIA articles! Paso Robles Municipal Airport (IATA: PRB, ICAO: KPRB, FAA LID: PRB) is a public airport located four miles (6 km) northeast of the central business district of Paso Robles, a city in San Luis Obispo County, California, United States. This general aviation airport is publicly owned by City of Paso Robles. The Paso Robles Municipal Airport is a 1300-acre site approximately four miles northeast of downtown Paso Robles. Originally constructed in 1943 as the Estrella Army Air Field, the airport plays its own part in the history of aviation in the local area. It saw little military activity during the War, but its advent paved the way for the future of aviation in the area. Sherwood Field, located a few miles to the south, generally played a more colorful role in the beginnings of aviation in Northern San Luis Obispo County.