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Browse 1,000 rules and proposed rules from the Federal Register.
1,000
Total Regulations
Showing 181–210 of 1,000
Page 7 / 34
The FAA proposes to adopt a new airworthiness directive (AD) for all General Atomics AeroTec Systems GmbH (General Atomics) Model Dornier 228-100, Dornier 228-101, Dornier 228-200, Dornier 228-201, Dornier 228-202, and Dornier 228-212 airplanes. This proposed AD was prompted by reports of specific part-numbered hydraulic pump motors becoming severely damaged by excessive heat. This proposed AD would require replacing the affected hydraulic pump motor with an improved design hydraulic pump motor. This proposed AD would also prohibit installing an affected hydraulic pump motor on any airplane. The FAA is proposing this AD to address the unsafe condition on these products.
The FAA is adopting a new airworthiness directive (AD) for all ATR--GIE Avions de Transport R[eacute]gional Model ATR42-200, -300, and -320 airplanes. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.
The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A330-200, A330-200 Freighter, A330-300, A330-800, A330-900, A340-200, A340-300, A340-500, and A340-600 series airplanes. This AD was prompted by reported occurrences of forward passenger/crew doors jamming during slide deployment. This AD requires repetitive detailed inspections and, depending on findings, corrective action(s). The FAA is issuing this AD to address the unsafe condition on these products.
The FAA is adopting a new airworthiness directive (AD) for certain ATR--GIE Avions de Transport R[eacute]gional Model ATR42-500 airplanes. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2, MBB-BK 117 D- 2, and MBB-BK 117 D-3 helicopters. This AD was prompted by reports of damaged hoist hooks and hoist hook nuts. This AD requires performing an inspection of the affected hoist hook and affected hook nut and, depending on the results of the inspection, replacing the affected hoist hook and affected hook nut. This AD also prohibits installing an affected assembly (hoist hook attached to the hook damper) on any helicopter, and prohibits installing an affected hoist hook on any helicopter unless it is installed using updated procedures. The FAA is issuing this AD to address the unsafe condition on these products.
The FAA is adopting a new airworthiness directive (AD) for certain General Electric Company (GE) Model GE90-90B, GE90-94B, GE90- 110B1, and GE90-115B engines. This AD was prompted by a manufacturer investigation that revealed certain high-pressure turbine (HPT) stage 1 and HPT stage 2 disks were manufactured from powder metal material suspected to contain iron inclusion. This AD requires replacement of affected HPT stage 1 and HPT stage 2 disks with parts eligible for installation. The FAA is issuing this AD to address the unsafe condition on these products.
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model SA341G and SA342J helicopters. This AD was prompted by reports of disbonding of the stainless steel leading edge protection of certain part-numbered main rotor blades (MRB). This AD requires repetitively tap inspecting the MRB and, depending on the results, repairing or replacing the MRB. This AD also prohibits installing those MRB unless certain requirements are met. The FAA is issuing this AD to address the unsafe condition on these products.
This action establishes United States Area Navigation (RNAV) Routes Q-190 and T-497, and amends domestic Very High Frequency Omnidirectional Range (VOR) Federal Airways V-1, V-70, and V-194, in the eastern United States. The FAA is taking this action due to the planned decommissioning of the Cofield, NC (CVI), VOR/Tactical Air Navigation (VORTAC). This action is in support of the FAA's VOR Minimum Operational Network (MON) Program.
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model H160-B helicopters. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance manual or instructions for continued airworthiness and the existing approved maintenance or inspection program, as applicable, by incorporating new or more restrictive airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.
The FAA is superseding Airworthiness Directive (AD) 2025-25- 02, which applied to all aircraft equipped with certain Aerospace & Defense Oxygen Systems SaS portable breathing equipment (PBE). AD 2025- 25-02 required incorporating revised procedures for donning the PBE. Since the FAA issued AD 2025-25-02, the agency determined the unsafe condition may be addressed by incorporating the updated procedures into documentation that is not identified in AD 2025-25-02 and that certain requirements in AD 2025-25-02 must be revised. This AD requires incorporating updated procedures for donning the PBE. The FAA is issuing this AD to address the unsafe condition on these products.
This action proposes to modify the Class E airspace area designated as a surface area for an airport and the Class E airspace extending upward from 700 feet above the surface at Ketchikan International Airport, Ketchikan, AK. Additionally, this action proposes administrative modifications to the airport's Class E airspace legal descriptions. These actions would support the safety and management of instrument flight rules (IFR) operations at the airport.
This action proposes to modify the Class E airspace extending upward from 700 feet above the surface, and remove the Class E airspace extending upward from 1,200 feet above the surface, at Denver International Airport, Denver, CO. Additionally, this action proposes an administrative modification to the airport's Class E airspace legal description. These actions would support the safety and management of instrument flight rules (IFR) operations within the airspace proposed herein.
The FAA is superseding Airworthiness Directive (AD) 2025-13- 12, which applied to all Airbus SAS Model A350-941 and -1041 airplanes. AD 2025-13-12 required replacement of any affected elevator flight control remote module (FCRM), prohibited the installation of aileron or spoiler FCRMs in place of elevator or rudder FCRMs, and limited the installation of FCRMs under certain conditions. Since the FAA issued AD 2025-13-12, the manufacturer developed a modification that eliminates the unsafe condition. This AD continues to require the actions of AD 2025-13-12. This AD also requires installation of the flight control and guidance system (FCGS) primary computer (PRIM) P14.1.3 and secondary computer (SEC) S14.1.2 software standards and prohibits installation of earlier software standards. The FAA is issuing this AD to address the unsafe condition on these products.
The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.A. Model A119 and AW119 MKII helicopters. This AD was prompted by reports of trapped residue in the rear pneumatic line due to a non-optimal cleaning procedure. This AD requires accomplishing repetitive engine acceleration checks and, depending on the results, replacing the rear pneumatic line and inspecting the fuel control unit (FCU), and accomplishing any necessary corrective actions. This AD also requires replacing certain parts if the engine acceleration check exceeds the maximum limit, which terminates the repetitive acceleration checks. If the limits do not exceed the maximum limit, this AD would allow this replacement as an optional terminating action. Additionally, this AD prohibits installing an affected engine or FCU on a helicopter unless certain requirements are met. The FAA is issuing this AD to address the unsafe condition on these products.
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.
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.
This action amends Very High Frequency Omnidirectional Range (VOR) Federal Airway V-300 due to the relocation of the Wiarton, Ontario (ON), Canada, VOR/Distance Measuring Equipment (VOR/DME) navigational aid (NAVAID). This action is in support of NAV CANADA's NAVAID Modernization Program.
The FAA is revising a notice of proposed rulemaking (NPRM) that would have applied to certain Honda Aircraft Company LLC (Honda) Model HA-420 airplanes. This action revises the NPRM by updating the referenced service material to a new revision that includes redesigned replacement flap control pushrod assemblies that have been modified to prevent interference with adjacent parts. The FAA is proposing this airworthiness directive (AD) to address the unsafe condition on these products. Since these actions would impose an additional burden over those in the NPRM, the agency is requesting comments on this SNPRM.
The FAA proposes to supersede Airworthiness Directive (AD) 2020-14-06, which applies to all Diamond Aircraft Industries Inc. (DAI) Model DA 40, DA 40 F, and DA 40 NG airplanes. AD 2020-14-06 requires replacing affected parts, inspecting the fuel tank chambers, and removing rubber material that has detached from the fuel tank connection hoses. AD 2020-14-06 also prohibits installing an affected part on any airplane. Since the FAA issued AD 2020-14-06, additional affected parts installed during production on Model DA 40 NG airplanes have been reported. As a result, the manufacturer has published updated service material for the Model DA 40 NG. This proposed AD would require the same actions as AD 2020-14-06 and would require updated service material to be used for the Model DA 40 NG airplanes. The FAA is proposing this AD to address the unsafe condition on these products.
This action corrects a final rule published by the FAA in the Federal Register on November 18, 2025, amending Colored Federal Airway Green 8 (G-8), Jet Route J-115, and United States Area Navigation (RNAV) Route T-227; and establishing RNAV Route Q-188 in Alaska due to the pending decommissioning of the Shemya, AK, Nondirectional Radio Beacon (NDB). Specifically, this action administratively corrects errors within the description of G-8 and J-115 in the final rule as published on November 18, 2025.
This action proposes to amend Class D, Class E2, Class E4, and Class E5 airspace at Patuxent River Naval Air Station (NAS) (Trapnell Field), Patuxent River, MD. The currently designated Class D, Class E2, and Class E4 airspace do not properly contain instrument flight rule (IFR) operations, which require controlled airspace. The geographic coordinates for Patuxent River NAS (Trapnell Field) would be updated in the airspace legal descriptions. The reference to the decommissioned Patuxent VORTAC would also be updated in the Class E2, Class E4, and Class E5 airspace legal descriptions. Last, the geographic coordinates for the Patuxent River NDB would also be updated in the Class E2 and Class E4 airspace legal descriptions.
On September 3, 2025, FAA published a final rule titled "Falsification, Reproduction, Alteration, Omission, or Incorrect Statements". That final rule incorrectly deleted three sections of Title 14 of the Code of Federal Regulations rather than the intended one paragraph in each of those sections. This document corrects the final regulations.
This action proposes to amend the Class E airspace extending upward from 700 feet above the surface at Morganton, NC, by expanding the airspace to encompass Carolinas Healthcare System Blue Ridge, Morganton, NC. It would also update the name of the former Morganton- Lenoir Airport to Foothills Regional Airport, Morganton, NC, as the airport has changed its name. Finally, it would remove the Grace Hospital reference along with the point in space coordinates, as Grace Hospital no longer exists. Controlled airspace is necessary for the safety and management of instrument flight rules (IFR) operations at this airport.
This action proposes to amend the Class D airspace and establish Class E airspace at Chandler and Phoenix, AZ. The name and geographic coordinates of the Mesa Gateway Airport, Phoenix, AZ, would also be updated to coincide with the FAA's aeronautical database. The FAA is proposing this action due to biennial airspace reviews, to support instrument flight rule (IFR) operations, and to bring the airspace into compliance with FAA orders.
The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 A-1, MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-BK 117 B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters. This proposed AD was prompted by a report of a main rotor head (MRH) having the same part number (P/N) and serial number (S/N) as another MRH due to incorrect modification instructions where the modified part serial number was not re-identified and the MRH can be operated with the wrong associated log card if accidently interchanged. This proposed AD would require performing a one-time consistency check of the P/N and S/N of the MRH, performing corrective actions if applicable, determining if the MRH has been modified, and re-identifying the modified MRH. The proposed AD would also allow replacing the MRH as an optional action and would prohibit the installation of an affected MRH on any helicopter. The FAA is proposing this AD to address the unsafe condition on these products.
The FAA proposes to supersede Airworthiness Directive (AD) 2020-09-15, which applies to certain Airbus Helicopters Model AS332C, AS332C1, AS332L, and AS332L1 helicopters. AD 2020-09-15 requires removing the removable parts of the dual hoist installation or removing the de-icing system and allows, for certain helicopters, revising the rotorcraft flight manual (RFM) for the helicopter and installing a placard as an optional method of compliance. Since the FAA issued AD 2020-09-15, analysis revealed that additional vibration level measurements are necessary. This proposed AD would retain all the requirements of AD 2020-09-15 and would require for certain helicopters repetitively measuring vibration levels in-flight, and depending on the results, performing corrective actions. The FAA is proposing this AD to address the unsafe condition on these products.
The Federal Aviation Administration (FAA) announces a public meeting to solicit input on the modernization of pilot school regulations.
This action proposes to amend restricted area R-5201, Fort Drum, NY. The purpose of this proposal is to modify the time of designation for restricted area R-5201 from "Continuous April 1 through September 30 and 0600 through 1800 hours local time, October 1 through March 31; other times by Notice to Airmen (NOTAM) 48 hours in advance" to be "continuous" to align with actual usage. This change does not add additional designated restricted area airspace.
The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Model AS355E, AS 355-F, AS 355-F1, AS355F2, AS355N, and AS355NP helicopters. This proposed AD was prompted by a report of a structural crack in the vertical attachment spar of the tail fin. This proposed AD would require repetitive inspections of certain vertical upper fin spars and, depending on the results, corrective action. This proposed AD would also prohibit installing certain upper fin assemblies. The FAA is proposing this AD to address the unsafe condition on these products.
The Federal Aviation Administration (FAA) announces public meetings to solicit input on the modernization of pilot school regulations.