Because the Federal Aviation Administration’s (“FAA’) airspace redesign projects throughout the United States have apparently negatively impacted hundreds of thousands, even millions, of people, and because we have received a number of requests for a discussion of the bases for the currently pending challenge to the FAA’s SoCal Metroplex airspace redesign project, a copy of the Opening Brief of Petitioners City of Culver City, California; Santa Monica Canyon Civic Association; Donald Vaughn; and Stephen Murray in Benedict Hills Estates Association, et al. v. FAA, et al., D.C. Circuit Court of Appeals Case No. 16-1366 (consolidated with 16-1377, 16-1378, 17-1010 and 17-1029) can be accessed by clicking here. Also filing briefs as Amici Curiae, or friends of the court, in support of Petitioners are the City of Los Angeles and the West Adams for Clear Skies.