The weather was fantastic today, so naturally I had to take the plane up. I had no particular destination in mind for this flight. My main goal is still to run the engine and put time on it before we check the oil again. However, I decided that today I would head south, as my flying so far has been mostly north of Harvey Field. Flying south is a bit more complicated because you're flying under the Sea-Tac Class B airspace, and there are also some airports with Class D airspace such as Renton, Olympia, and Tacoma Narrows. I flew pretty much straight south, making sure to stay out of the Class B. Once I was south of the Class B I started looking on the chart for an airport to land at. I wanted to be able to log this flight as cross-country time. I found Chehalis-Centralia airport on the chart and decided to head there for a landing. The flight was without incident. I tuned in the CTAF frequency, but several airports in the region use the same frequency, particular Auburn Municipal wh...