Here’s a VFR approach and landing at Bremerton National Airport (KPWT) across Puget Sound west of Seattle. KPWT is a non-towered airport, so pilots self-announce their positions and intentions on the common traffic advisory frequency (CTAF) assigned to the airport.
You can learn about the recommended procedures for operating at non-towered airports in the U.S. in Advisory Circular AC 90-66B: Non-Towered Airport Flight Operations.
More details here at BruceAir: Operations at Non-Towered Airports.
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