Federal Aviation Administration – Federal Register Recent Federal Regulation Documents

The FAA proposes to adopt a new airworthiness directive (AD) for all Gulfstream Aerospace LP Model Gulfstream G150 airplanes. This proposed AD was prompted by a determination that a new airworthiness limitation is necessary. This proposed AD would require revising the existing maintenance or inspection program, as applicable, to incorporate a new airworthiness limitation, as specified in a Civil Aviation Authority of Israel (CAAI) AD, which is proposed for incorporation by reference (IBR). The FAA is proposing this AD to address the unsafe condition on these products.

FAA invites public comments about our intention to publish an advisory circular. This Advisory Circular (AC) provides guidance to demonstrate compliance with the design, test, and documentation requirements for a Reduced Reliability Flight Safety System (RRFSS) of commercial space launch or reentry vehicles. This AC presents one acceptable means of compliance (MOC), but this is not the only acceptable MOC. Launch and reentry license applicants may use this AC to guide their internal processes, format their license applications, or both.

In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval new information collection. The information collected on the Physiology Training Record is required by students attending aviation physiology training that wish to participate in hypoxia training. Information collected is reviewed by the training instructor and a member of the Airman Education Program team to ensure those desiring to participate in this training have the necessary aviation medical qualification.

This action is an administrative change to rename the Gulf of Mexico High and Gulf of Mexico Low offshore airspace areas. The FAA is taking this action to implement the Gulf of Mexico name changes directed in Executive Order (E.O.) 14172, Restoring Names That Honor American Greatness, published January 20, 2025. This action does not change the airspace boundaries, altitudes, or operating requirements.

The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-8, 787-9, and 787-10 airplanes. This AD was prompted by reports of water leakage from the potable water system due to improperly installed waterline couplings, and water leaking into the electronics equipment (EE) bays from above the floor in the main cabin, resulting in water on the equipment in the EE bays. This AD requires an inspection of seat tracks above the EE bays for missing, damaged, or deteriorated sealant, moisture barrier tape, or tape dams, as applicable, and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.

The FAA is superseding Airworthiness Directive (AD) 2022-19- 09, which applied to all Airbus Canada Limited Partnership Model BD- 500-1A10 and BD-500-1A11 airplanes. AD 2022-19-09 required repetitive inspections of the left and right main landing gear (MLG) lower spindle pins to detect corrosion and applicable repair or replacement. This AD was prompted by reports of in-service findings of corrosion on the flange of the MLG lower spindle pin. This AD continues to require certain actions in AD 2022-19-09. This AD also requires changing the tracking of flight cycles for inspections from the usage of the MLG to the usage of MLG lower spindle assemblies and replacement of affected MLG lower spindle assemblies, removes airplanes from the applicability, and prohibits the installation of affected parts under certain conditions; as specified in a Transport Canada AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

The FAA is providing notice of a release of Federal obligations for three land parcels at DeWitt Field, Old Town Municipal Airport, Old Town, Maine.

This notice contains a summary of a petition seeking relief from specified requirements of Federal Aviation Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion nor omission of information in the summary is intended to affect the legal status of the petition or its final disposition.

The FAA proposes to supersede Airworthiness Directive (AD) 2017-23-04, which applies to all Airbus SAS Model A300 B4-600R series airplanes; all Model A300 B4-603, B4-620, and B4-622 airplanes; all Model A300 C4-605R Variant F airplanes; and certain Model A300 F4-605R airplanes. AD 2017-23-04 requires an inspection of the upper wing skin and top stringer joints, and modification of the stringer joint couplings if necessary. Since the FAA issued AD 2017-23-04, it has been determined that additional airplanes may be subject to the identified unsafe condition. This proposed AD would continue to require the actions in AD 2017-23-04 and would add airplanes, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference (IBR). This proposed AD would also remove certain airplanes from the applicability. The FAA is proposing this AD to address the unsafe condition on these products.

This action modifies the Class E airspace extending upward from 700 feet above the surface of the earth and removes the Class E airspace extending upward from 1,200 feet above the surface at Colusa County Airport, Colusa, CA. Additionally, this action proposes administrative amendments to update the airport's Class E airspace legal description. These actions will support the safety and management of instrument flight rules (IFR) operations at the airport.

This action proposes to establish Class E airspace extending upward from 700 feet above the surface at Ekalaka Airport, Ekalaka, MT. This action would support the airport's transition from visual flight rules (VFR) to instrument flight rules (IFR) operations.

This action amends Jet Route J-538 and Very High Frequency Omnidirectional Range (VOR) Federal Airway V-129; establishes Canadian Area Navigation (RNAV) Routes Q-828, Q-945, Q-971, and T-797 within United States (U.S.) airspace; and revokes Jet Routes J-483 and J-562. The FAA is taking this action due to NAV CANADA's decommissioning of the Sioux Narrows (VBI), Ontario (ON), Canada, Very High Frequency Omnidirectional Range (VOR)/Distance Measuring Equipment (VOR/DME) navigational aid (NAVAID), and the planned decommissioning of the Lumsden (VLN), Saskatchewan (SK), Canada, VOR/Tactical Air Navigation (VORTAC) and Brandon (YBR), Manitoba (MB), Canada, VORTAC NAVAIDs. This action supports NAV CANADA's NAVAID Modernization Program.

This action establishes United States Area Navigation (RNAV) Routes T-492 and T-494 in the eastern United States. This action supports FAA Next Generation Air Transportation System (NextGen) efforts to provide a modern RNAV route structure to improve the safety and efficiency of the National Airspace System (NAS).

The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.A. Model A109E, A109S, and AW109SP helicopters. This AD was prompted by reports of incorrect installation of the motor (MTR) cables and the bonding braids connected to the engine fire extinguisher bottles. This AD requires inspecting the cables and bonding braids installation and, depending on the results, accomplishing corrective action, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Model EC 130 B4 and EC 130 T2 helicopters. This proposed AD was prompted by a report of heavy damage on the fenestron due to the loss of the tail rotor (TR) blade, which broke at the TR hub tension-torsion bar (tension-torsion bar). This proposed AD would require inspecting the tension-torsion bar and, depending on the inspection results, taking corrective actions. This proposed AD would also prohibit performing maintenance using certain maintenance manuals. These proposed actions are specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.

The FAA proposes to rule and invites public comment on the request to release and sell a 10.59 acre parcel of federally obligated airport property at the Malden Regional Airport & Industrial Park (MAW), Malden, Missouri.

In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval for an information collection. The collection involves S. 4319A bill to provide for progress reports on the national transition plan related to a fluorine-free firefighting foam that requires that the FAA provide progress reports on the status of part 139 airports transition to fluorine-free firefighting foam no later than 180 days after the date of enactment of this Act, and every 180 days thereafter until the progress report termination date. Within this report, a comprehensive list of the amount of AFFF at each part 139 airport has as of the date of the submission of the progress report, including the amount of such firefighting foam held in firefighting equipment and the number of gallons regularly kept in reserve at each such airport. These progress reports on the development and implementation of a national transition plan related to a fluorine- free firefighting foam that meets the performance standards referenced in Chapter 3Agent Compatibility, Substitutions, and Performance Requirements of Advisory Circular 150/5210.6EAircraft Fire Extinguishing Agents for Airports (AC 150/5210.62) issued on November 27, 2023 shall be submitted to the appropriate committees of Congress.

The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD- 83), DC 9-87 (MD-87), and MD-88 airplanes, and Model DC-9-10, DC-9-20, DC-9-30, DC-9-40, and DC-9-50 series airplanes. This AD was prompted by the discovery of jammed elevators during takeoff. This AD requires revising the "Certificate Limitations" section of the existing airplane flight manual (AFM) to include a procedure to confirm elevator surfaces are not jammed in the trailing edge down (TED) position. The FAA is issuing this AD to address the unsafe condition on these products.

The FAA proposes to adopt a new airworthiness directive (AD) for all Bombardier, Inc., Model BD-100-1A10 airplanes. This proposed AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This proposed AD would require revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is proposing this AD to address the unsafe condition on these products.

This action provides a second extension of the comment period for a NPRM that was originally published on March 20, 2025. In that document, the FAA proposed to establish restricted areas R-5305A, R- 5305B, and R-5305C at Camp Lejeune, NC; and restricted areas R-5307A, R-5307B, and R-5307C at Cherry Point, NC. A four-day extension to the comment period was previously issued on April 16, 2025. The present extension provides an additional two weeks for comments in response to a request by the Aircraft Owners and Pilots Association (AOPA) to extend the comment period to analyze newly provided supporting graphics.

The FAA is superseding Airworthiness Directive (AD) 2021-09-14 which applied to certain Airbus Helicopters (Airbus) Model SA330J helicopters. AD 2021-09-14 required repetitively inspecting for a gap between the main gearbox (MGB) oil cooling fan assembly (fan) rotor blade and the upper section of the guide vane bearing housing, installing improved MGB fan rotor shaft bearings, and repetitively inspecting the improved MGB fan rotor shaft bearings. Since the FAA issued AD 2021-09-14, Airbus has developed modifications to the components of the MGB fan bearing assembly and issued new material regarding these modifications. This AD retains the actions required by AD 2021-09-14 and also requires installing the improved MGB fan rotor bearing assembly, which constitutes terminating action for the repetitive inspections. These actions are specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus SAS Model A318-111, -112, -121, and -122 airplanes; A319-111, -112, -113, -114, -115, -131, -132, -133, -151N, -153N, and - 171N airplanes; A320-211, -212, -214, -216, -231, -232, -233, -251N, - 252N, -253N, -271N, -272N, and -273N airplanes; and A321-111, -112, - 131, -211, -212, -213, -231, -232, -251N, -252N, -253N, -271N, -272N, - 251NX, -252NX, -253NX, -253NY, -271NX, and -272NX airplanes. This proposed AD was prompted by a determination that new airworthiness limitations are necessary. This proposed AD would require revising the existing maintenance or inspection program, as applicable, to incorporate new airworthiness limitations, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference (IBR). The FAA is proposing this AD to address the unsafe condition on these products.

This notice contains a summary of a petition seeking relief from specified requirements of Federal Aviation Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion nor omission of information in the summary is intended to affect the legal status of the petition or its final disposition.

The FAA proposes to adopt a new airworthiness directive (AD) for certain Bombardier, Inc., Model CL-600-1A11 (600), CL-600-2A12 (601), and CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes. This proposed AD was prompted by tail strikes that occurred during landing with partial flap configurations. This proposed AD would require revising the existing airplane flight manual (AFM) to provide the flightcrew with procedures to follow when landing under certain conditions. The FAA is proposing this AD to address the unsafe condition on these products.

The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 757-200 and -300 series airplanes. This proposed AD was prompted by cracking found during an inspection on an airplane equipped with Aviation Partners Boeing (APB) scimitar blended winglets (SBWs). This proposed AD would require performing a general visual inspection (GVI) or maintenance records check of certain stringers for an approved freeze plug repair, performing a high frequency eddy current (HFEC) inspection of the same area for any crack common to a certain stringer and a reinforcement strap, and applicable on-condition actions. The FAA is proposing this AD to address the unsafe condition on these products.