It is important to know the FAA's mandate from Congress. Please keep this in mind when making comments.
[h=1]49 U.S. Code § 40103 - Sovereignty and use of airspace[/h]
(b.) Use of Airspace.— (1) The Administrator of the Federal Aviation Administration shall develop plans and policy for the use of the navigable airspace and assign by regulation or order the use of the airspace necessary to ensure the safety of aircraft and the efficient use of airspace. The Administrator may modify or revoke an assignment when required in the public interest.
(2) The Administrator shall prescribe air traffic regulations on the flight of aircraft (including regulations on safe altitudes) for— (A) navigating, protecting, and identifying aircraft;
(B) protecting individuals and property on the ground;
(C) using the navigable airspace efficiently; and
(D) preventing collision between aircraft, between aircraft and land or water vehicles, and between aircraft and airborne objects.