ORIGINAL: Top_Gunn
ORIGINAL: rgburrill
There are many, many airports in the Dallas area. You must watch out for the 400ft maximum withing a certain range from an airport - and that is any airport, not just big ones. Get an aviation map to see what is around you. Also, anytime you do that be sure to check if there are any NOTAMs in effect - you never know when some big wig will show up.
There are no charts that will show you all the airports in your area. In the county I live in there are 13 airports listed in the FAA's web site. Only one of them is on the sectional chart.
Well, it appears that you know where they are. It is your responsibility to keep below the required altitude. You can say what you want, but it still remains that you are responsible to know.