Question: Are both Elfin Cove Seaplane Base and Friday Harbor Seaplane Base located in the same country?
Sentence (from "Elfin Cove Seaplane Base"): The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a "general aviation" facility (the "commercial service" category requires at least 2,500 enplanements per year).
Relevant evidence: No