 On August 29, 1947 the Federal Government transferred to the County of San Luis Obispo to be used as a commercial airport, and and buildings to the State of California to be used as a correctional facility.Pacific Seaboard Air Lines was the first airline at Paso Robles.In 1933 Pacific Seaboard had two daily round trip Bellanca CH-300s Los Angeles – Santa Barbara – Santa Maria – San Luis Obispo – Paso Robles – Monterey – Salinas – San Jose – San Francisco.