Many U.S. airports use the same three-letter location identifier for the FAA and IATA. However, this airport is assigned 74S by the FAA but has been assigned OTS from the IATA.
Anacortes Airport covers an area of 120 acres (49 ha) at an elevation of 241 feet (73 m) above mean sea level. It has one runway designated 18/36 with an asphalt surface measuring 3,015 by 60 feet (919 x 18 m).[1]
For the 12-month period ending July 31, 2014, the airport had 9,000 aircraft operations, an average of 25 per day: 73% general aviation and 17% air taxi. In July 2017, there were 55 aircraft based at this airport: 53 single-engine, 1 jet, and 1 helicopter.[1]