The Federal Aviation Administration has issued a final rule amending the instrument flight rules (IFR) altitudes and changeover points for several Federal airways, jet routes, and direct routes in Alaska.
These changes are part of routine updates to ensure safe and efficient use of the navigable airspace under instrument conditions, addressing changes in the National Airspace System.
The amendments involve adjustments to minimum and maximum en route authorized IFR altitudes, which are crucial for maintaining adequate navigation aid coverage and preventing frequency interference.
Specific routes affected include Green Federal Airways G10, G12, and G8, Amber Federal Airway A16, and Red Federal Airway R99, among others, with changes to altitudes and navigation points.
The FAA determined that these amendments are necessary for flight safety and operational efficiency, and they are effective as of August 7, 2025.
These updates are not considered a significant regulatory action and are part of the FAA’s ongoing efforts to keep airspace regulations current and effective.
FAA Updates IFR Altitudes and Changeover Points Across Multiple States
The FAA’s amendments to IFR altitudes and changeover points extend beyond Alaska, impacting several other states to enhance flight safety and operational efficiency.
In Texas, the updates involve changes to RNAV Routes T220, T545, and VOR Federal Airways V17, V68, and V163, which affect altitudes and navigation points.
Florida’s airspace sees adjustments to RNAV Routes T492, T494, and VOR Federal Airways V7, V35, and V157, focusing on altitudes and navigation aids.
Virginia experiences changes to VOR Federal Airways V1, V38, and V139, altering altitudes and changeover points for improved navigation.
Maryland and Delaware are impacted by updates to VOR Federal Airways V1, V29, and V139, enhancing navigation safety and efficiency.
North Carolina and Georgia see modifications to VOR Federal Airways V139 and V157, which are crucial for flight operations and safety.
Illinois and Minnesota have amendments to VOR Federal Airways V10, V84, and V286, affecting navigation and altitudes.
North Dakota and Rhode Island experience changes to Jet Routes J483 and VOR Federal Airways V268, respectively, impacting altitudes and navigation.
Michigan and Arkansas see updates to VOR Federal Airways V30 and V532, which are important for navigation aids and altitudes.
Tennessee and West Virginia have amendments to VOR Federal Airways V466 and V519, focusing on altitudes and navigation safety.
California, Missouri, Iowa, and Indiana experience changes to VOR Federal Airways V137, V303, and Jet Routes J26, impacting altitudes and navigation.
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