This action establishes Class E en route airspace extending upward from 1,200 feet above the surface to accommodate instrument flight rules (IFR) aircraft under control of the Denver Air Route Traffic Control Center (ARTCC), Denver, CO. Establishment of this airspace area is necessary to ensure controlled airspace exists in those areas where the Federal airway structure is inadequate.
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Establishment of Class E Airspace, Denver, CO
This action establishes Class E en route airspace extending upward from 1,200 feet above the surface to accommodate instrument flight rules (IFR) aircraft under control of the D...
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82 FR 18550
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“Establishment of Class E Airspace, Denver, CO,” thefederalregister.org (April 20, 2017), https://thefederalregister.org/documents/2017-07788/establishment-of-class-e-airspace-denver-co.