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Transport i infrastruktura · 26.03.2010

Invitation for Public Comment on Mitigation Options for Global Positioning System Satellite Vehicle Number 49

The U.S. Government is providing notice that it is actively considering several mitigation options prior to changing the health status of Global Positioning System (GPS) satellite IIR-20M (satellite vehicle number 49--SVN 49) from unhealthy to healthy. The potential mitigations are each designed to reduce the impact of the unique nature of the SVN 49 signal to a portion of the user segment. The mitigations are described in an Appendix posted in the public docket. The mitigations are intended only for use with the SVN 49 satellite and will not be implemented for any other GPS satellite. Responses from this public comment period will be considered during the final decision to choose which mitigation(s) to implement. After successful implementation of the selected mitigation(s), U.S. Government leaders will determine the conditions necessary to set SVN 49 healthy. It is anticipated this timeline will occur over the next one to three years. Please review the posted Appendix and submit concerns or adverse impacts that may affect your user equipment to the Docket. Two teleconferences will be hosted by the U.S. Air Force GPS Wing to discuss the mitigation options. These will be held on Ma

Source: Federal Register — Transportation DepartmentOpen original release →
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Transport i infrastruktura · 10/1/2026

Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments

This rule establishes, amends, suspends, or removes Standard Instrument Approach Procedures (SIAPS) and associated Takeoff Minimums and Obstacle Departure procedures (ODPs) for operations at certain airports. These regulatory actions are needed because of the adoption of new or revised criteria, or because of changes occurring in the National Airspace System, such as the commissioning of new navigational facilities, adding new obstacles, or changing air traffic requirements. These changes are designed to provide safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.

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Transport i infrastruktura · 10/1/2026

Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments

This rule amends, suspends, or removes Standard Instrument Approach Procedures (SIAPs) and associated Takeoff Minimums and Obstacle Departure Procedures for operations at certain airports. These regulatory actions are needed because of the adoption of new or revised criteria, or because of changes occurring in the National Airspace System, such as the commissioning of new navigational facilities, adding new obstacles, or changing air traffic requirements. These changes are designed to provide for the safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.

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Transport i infrastruktura · 9/15/2026

Modification of Class D and Class E Airspace Areas; Roberts Field/Redmond Municipal Airport, Redmond, OR

This action proposes to modify the Class D and Class E airspace area designated as a surface area, modify the Class E airspace area designated as an extension to a Class D or Class E surface area, and modify the Class E airspace area extending upward from 700 feet above the surface at Roberts Field/Redmond Municipal Airport, Redmond, OR. This action would support the safety and management of instrument flight rules (IFR) operations at the airport.

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Transport i infrastruktura · 9/15/2026

Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

The FAA is adopting a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Model PC-24 airplanes. This AD was prompted by a report that a solid-state relay (SSR) used in the left-hand (LH) windshield heating system may allow reverse current flow when in the OFF position. This AD requires modification of the airplane and replacement of the affected SSR with a serviceable part. The FAA is issuing this AD to address the unsafe condition on these products.

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