On August 29, 2017, the US Court of Appeals in Washington, DC ruled in favor of the City of Phoenix against the FAA over Nextgen related flight path changes. Phoenix decision. The Court found the FAA’s action to implement the flight path changes was arbitrary and capricious.
On September 12, 2017, Maryland Governor Larry Hogan sent a letter to Attorney General Brian Frosh on Sept. 12, asking him to sue the FAA over Nextgen flight patterns into and out of Baltimore-Washington International Thurgood Marshall Airport.
On September 19 and 20, Anne Arundel County Executive Steve Schuh and Howard County Executive Allan Kittleman each wrote letters to Frosh's office in support of legal action against the FAA.
The issue is brewing in other cities as well, nextgen noise.