I'm sure POTUS is a special problem, but it's never been an issue for me in the 30 some
years I've been checking NOTAMS (where I fly there are usually very few voters). I'm not
aware of any NOTAMS that changed while I was flying. Aside from POTUS, has this happened
to anyone, did it cause you to violate airspace, and was official action taken against you?
What are the regulations for NOTAMS; e.g., are they strictly "informational" and you
depend on them at your risk? I've always assumed they could be issued at any time, but it
was understood pilots might not know about them for at least 4 to 8 hours, and you should
have it issued no later than the day before if at all possible.