Even with all of our modern aviation databases, sometimes you just can’t beat a lat/lon coordinate. Maybe you’re visiting a private airport that isn’t in the database, or you want to circle a landmark not on the sectional, or you need to plan a flight around a TFR. Whatever the reason, entering a set of coordinates in your favorite app is easy. But there are a couple of traps you need to avoid, and not everyone reports lat/lon the same way. Let’s review the basics of latitude and longitude and the different types of coordinates....continued ...
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