TinEar, I think we're spinning our wheels for now. After some more intensive Googling, I'm finding that the aviators are following either the Airport/Facility charts from the FAA or a Flight Guide (flightguide.com) to get their approach frequencies. These aviators are using airnav.com, aopa.org, and paper charts and getting the same misinformation we are. Since these TRACON frequencies appear to change around and appear/disappear constantly (especially on weekends when there's a lot of private traffic), we're going to end up chasing our tails if we try to assign specific frequencies to specific airports, etc. Here's an example quote from a DC-themed pilots listserv:
Among the frequencies listed is the appropriate approach control frequency
for that area. I look up the nearest airport, call that frequency, and if it
isn't the right one, they'll tell you which one is right that day. Aviate,
Navigate, and lastly, Communicate. I reckon that spending much time chasing a
busy TRACON's ever-changing frequency and boundary space is effort that could be
better spent Aviating and Navigating. The controllers know their frequencies and
boundaries; it's their job and they're good at it. The pilot's job is to fly the
airplane. We do our jobs together, and everybody benefits; we try to do each
other's jobs, and it's a sad mess.
That being said, when I get my newsgroup access back at the end of the month I can always put out a beg for a list of frequencies for this area. This has made me almost curious enough to buy one of those flight guides or a airport/facility chart, but after reading postings such as the above, whatever I buy would probably just end up on the coffee table or on the back of the commode.
