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Browse 1,000 rules and proposed rules from the Federal Register.
1,000
Total Regulations
Showing 361–390 of 1,000
Page 13 / 34
The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Model AS355E, AS 355-F, AS 355-F1, AS355F2, and AS355N helicopters. This proposed AD was prompted by reports of cracks in the legs of the side supports of the tail rotor transmission fan. This proposed AD would require repetitively inspecting the side supports of the tail rotor transmission fan for cracks and, depending on the results, replacing both side supports. 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 all The Boeing Company Model 747-100, -100B, -100B SUD, -200B, - 200C, -200F, -300, -400, -400D, -400F, 747SP, and 747SR series airplanes. This proposed AD was prompted by reports of corrosion damage found on a certain satellite communications (SATCOM) high gain antenna adapter plate. This proposed AD would require repetitive detailed inspections (DET) of the SATCOM high gain antenna adapter plate for corrosion and applicable on-condition actions. The FAA is proposing this AD to address the unsafe condition on these products.
The FAA proposes to supersede Airworthiness Directive (AD) 2021-23-04 which applies to certain Leonardo S.p.A. Model A109E helicopters. AD 2021-23-04 requires repetitive inspections of the intersection of the lateral pylon and floor spar at station (STA) 1815 for cracking and repair, depending on the findings. Since the FAA issued AD 2021-23-04, it was determined that additional helicopter models are affected by the unsafe condition. Additionally, the manufacturer has developed a modification that provides terminating action for the repetitive inspections. This proposed AD would continue to require repetitive inspections of the affected area for cracking and would add additional helicopter models to the applicability. This proposed AD would also require modifying the affected area, which would be terminating action for the repetitive inspections. The FAA is proposing this AD to address the unsafe condition on these products.
This action modifies the Class E airspace area designated as a surface area, modifies the Class E airspace area designated as an extension to a Class E surface area, and modifies the Class E airspace areas extending upward from 700 feet or more above the surface of the earth at Battle Mountain Airport, Battle Mountain, NV. This action also updates the administrative portions of the airport's legal descriptions. These actions support the safety and management of instrument flight rules (IFR) operations at the airport.
The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. That AD applies to certain Airbus Helicopters Model AS350B3, EC130B4, and EC130T2 helicopters. As published, a reference to a measurement in the regulatory text is incorrect. This document corrects that error. In all other respects, the original document remains the same.
This action denies requests for extension of the comment period for the notice of proposed rulemaking (NPRM) titled "Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations" that was published in the Federal Register on August 7, 2025.
The FAA proposes to adopt a new airworthiness directive (AD) for all De Havilland Aircraft of Canada Limited Model DHC-8 airplanes. This proposed AD was prompted by reports of cracked barrel nuts at the wing front spar and horizontal stabilizer to vertical stabilizer joint. This proposed AD would require repetitive inspections for cracking and corrosion of the affected barrel nuts and applicable corrective actions. 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 Airbus Canada Limited Partnership Model BD-500-1A10 and BD- 500-1A11 airplanes. This proposed AD was prompted by the discovery on the production line that the electrical system harnesses in lavatory A had reduced bend radii, were not properly secured, and did not meet the requirement for clearance from an oxygen supply line. This proposed AD would require an inspection of the sleeve and electrical harness for chafing damage and incorrect installation, and applicable on-condition actions. 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 all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This proposed AD was prompted by reports of shim installations at certain stub beam to longitudinal floor beam locations that were not installed per specifications, and an evaluation by the design approval holder indicating inadequate baseline inspections for cracking of the stub beam. This proposed AD would require repetitive inspections for any crack of the stub beam straps at certain stations and repairing any crack found. The FAA is proposing this AD to address the unsafe condition on these products.
This action amends Class D airspace and establishes Class E airspace extending upward from the surface above Langley Air Force Base (AFB), Hampton, VA, as the air traffic control tower will shift to part-time operations. This action also updates the geographic coordinates of the airport. Controlled airspace is necessary for the safety and management of instrument flight rules (IFR) operations in the area.
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A300 series airplanes; Model A300 B4-600, B4- 600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes); and Model A310 series airplanes. This AD was prompted by investigations that found cracks on the main deck cargo door (MDCD) actuator bearing fitting caused by fatigue. This AD requires an operational limitation to the MDCD opening angle, repetitive detailed visual inspection (DET) of the MDCD actuator bearing fittings, and replacement if any cracks are found. 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 Bombardier, Inc., Model CL-600-1A11 (600) and CL-600-2A12 (601) airplanes, and certain Model CL-600-2B16 (601-3A, 601-3R, and 604 Variants) 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 superseding Airworthiness Directive (AD) 2024-22- 02, which applied to certain Airbus SAS Model A330-200, -200 Freighter, -300, -800, and -900 series airplanes. AD 2024-22-02 required revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2024-22-02, the FAA has determined that new or more restrictive airworthiness limitations are necessary. This AD continues to require certain actions in AD 2024-22-02 and 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 superseding Airworthiness Directive (AD) 2019-16- 09, which applied to certain De Havilland Aircraft of Canada Limited Model DHC-8-400 series airplanes. AD 2019-16-09 required one-time inspections for cracks and damage of the elevator power control unit (PCU) brackets and surrounding area, horizontal stabilizer rear spar, elevator front spar, and related investigative and corrective actions if necessary. Since the FAA issued AD 2019-16-09, new findings have been reported as a result of maintenance activities and/or inspections. This AD continues to require certain actions in AD 2019-16-09 and requires repeating the inspections one time and performing applicable on- condition actions. This AD also removes an airplane model from the applicability and provides optional terminating action for repetitive inspections. 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 certain ATR--GIE Avions de Transport R[eacute]gional Model ATR72 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.
The FAA is revising a notice of proposed rulemaking (NPRM) that would have applied to certain Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500-1A11 airplanes. This action revises the NPRM by adding a requirement to re-identify the ceiling panel liners. 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 FAA is requesting comments on this SNPRM.
The FAA proposes to adopt a new airworthiness directive (AD) for certain ATR--GIE Avions de Transport R[eacute]gional Model ATR42- 500 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.
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK 117 D-3 helicopters. This AD is prompted by reports of momentary direct current (DC) power interruption in flight of both essential busses. This AD requires revising the existing rotorcraft flight manual (RFM) to incorporate an emergency and malfunction procedure. The FAA is issuing this AD to address the unsafe condition on these products.
The FAA is correcting a final rule that appeared in the Federal Register on August 29, 2025. The final rule amended Class E4 airspace at Elmira/Corning Regional Airport, Elmira, NY. This action corrects the airspace docket number from 25-ANE-11 to 25-AEA-11 in the header for the final rule.
The FAA proposes to supersede Airworthiness Directive (AD) 2025-03-07, which applies to certain Airbus SAS Model A318, A319, and A320 series airplanes, and Model A321-111, -112, -131, -211, -212, - 213, -231, -232, -251N, -252N, -253N, -271N, -272N, -251NX, -252NX, - 253NX, -271NX, and -272NX airplanes. AD 2025-03-07 requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2025-03-07, the FAA has determined that new or more restrictive airworthiness limitations are necessary. This proposed AD would continue to require certain actions in AD 2025-03-07 and would require revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations, and would expand the applicability. The FAA is proposing this AD to address the unsafe condition on these products.
These special conditions are issued for The Boeing Company (Boeing) Model 757-200 series airplane. This airplane, as modified by H4 Aerospace (UK) Ltd (H4 Aerospace), will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards. This design feature is associated with seats that include non-traditional, large, non-metallic panels. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.
The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Model H160-B helicopters modified by Supplemental Type Certificate (STC) SR00223IB. This proposed AD was prompted by a report that several self-locking nuts of the window jettisoning system could be loosened by hand due to a non-conformity in the cable kit. This proposed AD would require modifying an affected window into a serviceable window. This proposed AD would also prohibit installing an affected window on any helicopter modified with STC SR00223IB. The FAA is proposing this AD to address the unsafe condition on these products.
This action incorporates certain airspace designation amendments into FAA Order JO 7400.11K, dated August 4, 2025, and effective September 15, 2025, for incorporation by reference.
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.
The FAA is superseding Airworthiness Directive (AD) 2020-02- 14, which applied to certain Airbus SAS Model A350-941 and -1041 airplanes. AD 2020-02-14 required a one-time inspection of the oxygen containers and adjacent panels and applicable corrective actions. Since the FAA issued AD 2020-02-14, it was determined that additional airplanes may be affected by the same unsafe condition. This AD continues to require the actions in AD 2020-02-14 and expands the applicability to include additional airplanes. 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 A300 B4-600, B4-600R, and F4-600R series airplanes; and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series 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 certain The Boeing Company Model 767-300 series airplanes modified by a certain supplemental type certificate (STC). This AD was prompted by a discovery that certain pitot-static tubing of the first officer's pitot-static system was installed incorrectly in the main and mid equipment center during the airplane conversion from passenger to freighter. This AD requires a visual inspection of certain pitot-static rigid tubes and flexible hoses to determine whether low points exist, and if necessary, related investigative and corrective actions. 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 The Boeing Company Model 787-8, 787-9, and 787-10 airplanes. This AD was prompted by a report indicating that the oxygen supply tubing can become kinked when certain passenger service unit (PSU) oxygen panel assemblies are installed in the forward-most position of a center stow bin. This AD requires a one-time inspection of the affected PSU oxygen panel assemblies and applicable on-condition actions. This AD also prohibits the installation of affected parts. 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 Airbus Helicopters Model AS 332L2 and EC 225LP helicopters. This AD was prompted by reports of overlengthened and deformed attachment bolts installed on the link of the main gearbox (MGB) suspension bar attachment bracket. This AD requires replacing certain attachment bolts on the MGB suspension bar fittings, inspecting the removed bolts, and reporting the results of this inspection to Airbus Helicopters. The FAA is issuing this AD to address the unsafe condition on these products.