navigable airspace
Defined in 2 dictionaries — Case Law, U.S. Code
Definitions from Case Law
United States Supreme Court
airspace above the minimum altitudes of flight prescribed by regulations issued under this Act, and shall include airspace needed to insure safety in take-off and landing of aircraft.
Defined by the Supreme Court in Griggs v. County of Allegheny Pennsylvania, 369 U.S. 84 (1962).
United States Code
49 U.S.C. § 40102 — in this part
“navigable airspace” means airspace above the minimum altitudes of flight prescribed by regulations under this subpart and subpart III of this part, including airspace needed to ensure safety in the takeoff and landing of aircraft.