At least one ACV was active in San Francisco Bay 24/7, and a special hangar for the ACVs was built at the Coast Guard Station at Fort Point from August 1970 to 1972. The San Francisco ACVs were evaluated for use as a crash/fire rescue vehicle at Oakland International Airport in 1972 and were found to be successful. One of the San Francisco-based ACVs was showcased by the Coast Guard at the U.S. International Transportation Exposition at Dulles International Airport in 1972, where it was inspected by tens of thousands of international visitors. Over the first two years of evaluation, the Coast Guard ACVs accrued over 1,500 hours of operating time.