Some US airports have clubs for this where people are cleared by the airport police. There are some websites, youtube videos and articles about these groups. Some airports do not like it when people park near the perimeter and have even been known to harass these people.

Might be best to contact the airport authority as they may have a program available. I grew up near a USAF base that doubles as a public-commercial airport. It's fun to see an RJ in line in front of a C-17. As a class trip we got to tour some of the operations of both the airport and the USAF base.