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Browse 1,000 rules and proposed rules from the Federal Register.
1,000
Total Regulations
Showing 481–510 of 1,000
Page 17 / 34
The FAA proposes to adopt a new airworthiness directive (AD) for certain General Electric Company (GE) Model GE90-90B, GE90-94B, GE90-110B1, and GE90-115B engines. This proposed 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 proposed AD would require replacement of affected HPT stage 1 and HPT stage 2 disks with parts eligible for installation. 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 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 proposed AD was prompted by reported occurrences of forward passenger/crew doors jamming during slide deployment caused by improper door rigging. This proposed AD would require repetitive detailed inspections, and, depending on findings, corrective action(s). 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 787-9 and 787-10 airplanes. This proposed AD was prompted by reports of multiple supplier notices of escapement (NOEs) indicating that ram air turbine (RAT) forward fittings were possibly manufactured with an incorrect titanium alloy material. This proposed AD would require a high frequency eddy current (HFEC) or handheld X-ray fluorescence (XRF) spectrometer inspection of the RAT forward fitting to determine the titanium alloy material, and applicable on-condition actions. The FAA is proposing this AD to address the unsafe condition on these products.
This action amends Very High Frequency Omnidirectional Range (VOR) Federal Airways V-38, V-133, and V-144; and revokes VOR Federal Airway V-214. The FAA is taking this action due to the planned decommissioning of the VOR portion of the Zanesville, OH (ZZV), VOR/ Distance Measuring Equipment (VOR/DME) navigational aid (NAVAID). The Zanesville VOR is being decommissioned in support of the FAA's VOR Minimum Operational Network (MON) program.
This action proposes to amend Class D airspace and establish Class E airspace extending upward from the surface above Langley Air Force Base (AFB), Hampton Roads, VA, as the air traffic control tower will shift to part-time operations. This action also proposes to update 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 proposes to supersede Airworthiness Directive (AD) 2013-08-16, which applies to certain The Boeing Company Model 737-700 and -700C series airplanes. AD 2013-08-16 requires repetitive inspections for cracking of the fuselage skin at certain locations at chem-mill areas and repair if necessary. Since the FAA issued AD 2013- 08-16, the FAA has determined that the compliance times are not adequate. This proposed AD would continue to require the actions in AD 2013-08-16 but at reduced compliance times and would require post- modification inspections if an optional modification is accomplished. The FAA is proposing this AD to address the unsafe condition on these products.
FMCSA and NHTSA withdraw the September 7, 2016 joint NPRM that proposed to require that heavy vehicles (those with a gross vehicle weight rating (GVWR) of more than 11,793 kilograms (26,000 pounds)) be equipped with a speed limiting device that is maintained at a set speed. FMCSA also withdraws its May 4, 2022 ANSPRM, which announced FMCSA's intent to proceed with a speed limiter rulemaking. The ANSPRM stated that FMCSA was preparing a supplemental notice of proposed rulemaking (SNPRM) to propose that motor carriers operating commercial motor vehicles (CMVs) in interstate commerce with a gross vehicle weight or GVWR of at least 11,794 kilograms (26,001 pounds), whichever is greater, and that are equipped with an engine control unit (ECU) capable of governing the maximum speed, be required to limit the CMV to a speed to be determined by the rulemaking and to maintain that ECU setting for the service life of the vehicle. In light of significant policy and safety concerns and continued data gaps that create considerable uncertainty about the estimated costs, benefits, and other impacts of the proposed rule, FMCSA and NHTSA have decided to withdraw the proposal.
FAA is amending rules for the manufacture, certification, operation, maintenance, and alteration of light-sport aircraft. The amendments enable enhancements in safety and performance and increase privileges under a number of sport pilot and light-sport aircraft rules. These enhancements include increasing suitability for flight training, limited aerial work, and personal travel. This final rule expands what aircraft sport pilots may operate. This final rule also amends the special purpose operations for restricted category aircraft; amends the duration, eligible purposes, and operating limitations for experimental aircraft; and adds operating limitations applicable to experimental aircraft engaged in space support vehicle flights to codify statutory language.
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 proposes to establish United States Area Navigation (RNAV) Route Q-151 and revoke Jet Route J-517 in the northern United States. The FAA is proposing this action due to the lack of navigational signal coverage restricting usage of J-157.
The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 767-200 and 767-300 series airplanes. This proposed AD was prompted by reports of scribe lines found at skin lap joints and butt joints, around external repairs and antennas, and at locations where external decals had been cut. For some airplanes, this proposed AD would require a detailed inspection for scribe lines and applicable related investigative and corrective actions. For other airplanes, this AD would require repetitive nondestructive testing inspections for cracking at certain stringers of the skin lap joint fuselage skin and applicable corrective actions. The FAA is proposing this AD to address the unsafe condition on these products.
This action establishes restricted area R-4601 in the vicinity of Townsend, MT. The new restricted area will provide the Montana Army National Guard (MTARNG) and the 40th Helicopter Squadron with the ability to conduct aerial gunnery training in the Limestone Hills Training Area (LHTA).
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model AS 365 N3, EC 155B, and EC155B1 helicopters. This AD was prompted by reports of false engine fire warnings. This AD requires replacing affected engine fire detectors and prohibits installing an affected engine fire detector or an engine that contains an affected engine fire detector. 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 Airbus Helicopters Model AS 350B2, AS 350B3, AS355N, AS355NP, and EC 130 B4 helicopters. This proposed AD was prompted by a report of a loss of cargo load during cargo swing operation on a helicopter due to an incorrect adjustment of the release cable of the cargo swing emergency release control. This proposed AD would require a one-time inspection of the cargo swing emergency release control and, depending on the results, corrective actions. The FAA is proposing this AD to address the unsafe condition on these products.
The FAA is superseding Airworthiness Directive (AD) 2025-07- 02, which applied to certain BRP-Rotax GmbH & Co KG (Rotax) Model 912 iSc2 Sport, 912 iSc3 Sport, 915 iSc2 C24, and 915 iSc3 C24 engines. AD 2025-07-02 required repetitive operational checks of the battery backup function with removal of the engine from service if insufficient battery power is found, one-time inspections of the oil spray nozzle and generator stator assembly, and, depending on the results of the inspections, replacement with parts eligible for installation. Since the FAA issued AD 2025-07-02, the FAA has determined that the inspection of the generator stator assembly should be an on-condition action depending on the results of the oil spray nozzle inspection. This AD retains all of the requirements of AD 2025-07-02 and changes the one-time inspection of the generator stator assembly and wiring to an on-condition action based on the results of the one-time inspection of the oil spray nozzle. 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 Schempp-Hirth Flugzeugbau GmbH (Schempp-Hirth) Model CIRRUS gliders. This proposed AD was prompted by reports of a broken outer race of the lower ball bearing installed in the all-moving horizontal tailplane drive fitting. This proposed AD would require inspecting the elevator drive fitting to determine the type of lower ball bearing installed, and depending upon the results, replacing the lower ball bearing with a serviceable part. The FAA is proposing this AD to address the unsafe condition on these products.
FRA is withdrawing the direct final rule titled "Federal Railroad Administration Accident/Incident Investigation Policy for Gathering Information and Consulting with Stakeholders," (the Rule) which was published on October 1, 2024.
The FAA proposes to supersede Airworthiness Directive (AD) 2013-08-15, which applies to certain The Boeing Company Model 737-800 series airplanes. AD 2013-08-15 requires repetitive inspections for cracking of the fuselage skin along chem-mill steps at certain crown skin and shear wrinkle areas and repair if necessary. Since the FAA issued AD 2013-08-15, the FAA has determined that the compliance times are not adequate. This proposed AD would continue to require the actions in AD 2013-08-15 but at reduced compliance times and would require post-modification inspections if an optional terminating action is accomplished. The FAA is proposing this AD to address the unsafe condition on these products.
The FAA is superseding Airworthiness Directive (AD) 2023-23-12 for all CFM International, S.A. (CFM) Model LEAP-1B21, LEAP-1B23, LEAP- 1B25, LEAP-1B27, LEAP-1B28, LEAP-1B28B1, LEAP-1B28B2, LEAP-1B28B2C, LEAP-1B28B3, LEAP-1B28BBJ1, and LEAP-1B28BBJ2 engines. AD 2023-23-12 required replacing certain high-pressure turbine (HPT) rotor stage 1 disks and a certain compressor rotor stages 6-10 spool. Since the FAA issued AD 2023-23-12, the manufacturer has identified additional parts that were manufactured from material suspected to have reduced material properties due to iron inclusion, which prompted this AD. This AD retains the requirements to replace certain HPT rotor stage 1 disks and a certain compressor rotor stages 6-10 spool. This AD also expands the applicability to include additional affected HPT rotor stage 1 disks that were manufactured from the same material suspected to have reduced material properties due to iron inclusion. 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 SAS Model A350-941 and -1041 airplanes. This AD was prompted by reports of deep spot faces on rib 9 at the lower flange bolting with the lower spar. This AD requires a special detailed inspection for discrepancies of certain pylon bolts, and applicable corrective actions. The FAA is issuing this AD to address the unsafe condition on these products.
The FAA is superseding Airworthiness Directive (AD) 2022-27- 01, which applied to certain Airbus SAS Model A350-941 and -1041 airplanes. AD 2022-27-01 required replacing affected fasteners and applying additional head nut cap protection at the front and rear spars in the center wing box (CWB). Since the FAA issued AD 2022-27-01, the FAA determined that additional Airbus SAS Model A350 manufacturer serial numbers (MSNs) are affected by the same potential unsafe condition. This AD continues to require the actions in AD 2022-27-01 and expands the applicability to include the additional Airbus SAS Model A350 MSNs. 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 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by a report of a frame web crack at a certain fuselage station (STA) between certain stringers common to the frame web notch. This AD requires repetitive inspections for cracks of the frames and repair of cracks. The FAA is issuing this AD to address the unsafe condition on these products.
The FAA is superseding Airworthiness Directive (AD) 2020-12- 12, which applied to all Embraer S.A. Model ERJ 170 airplanes and Model ERJ 190-100 STD, -100 LR, -100 ECJ, -100 IGW, -200 STD, -200 LR, and - 200 IGW airplanes. AD 2020-12-12 required repetitive detailed inspections for cracking of the engine inboard and outboard engine pylon lower link lugs, and repair if necessary. This AD continues to require the actions in AD 2020-12-12 with certain reduced compliance times. The FAA is issuing this AD to address the unsafe condition on these products.
This action changes the referenced NAILR Non-Directional Beacon (NDB) in the airspace legal description to Point in Space Coordinates due to the decommissioning of the NAILR NDB. This action also updates the name and geographical coordinates for UVA Culpeper Medical Center Heliport. This action does not change the airspace boundaries or operating requirements.
The FAA is adopting a new airworthiness directive (AD) for certain General Electric Company (GE) Model CF34-10E2A1, CF34-10E6, CF34-10E6A1, CF34-10E7, CF34-10E7-B, CF34-10E5, and CF34-10E5A1 engines. This AD was prompted by a report of cracks found in the high- pressure turbine (HPT) front rotating air seal. This AD requires performing repetitive fluorescent penetrant inspections (FPIs) to detect indications or linear indications (any indication which is four times longer than the width of that same indication) in the HPT front rotating air seal and, if necessary, replacing the HPT front rotating air seal or HPT rotor disk with parts eligible for installation as applicable. This AD also includes an optional terminating action to the repetitive FPIs. The FAA is issuing this AD to address the unsafe condition on these products.
This action amends Class D airspace at Nantucket Memorial Airport, Nantucket, MA, due to the currently designated airspace not properly containing instrument flight rule (IFR) operations. Additionally, this action amends Class E4 airspace at Nantucket Memorial Airport, Nantucket, MA, due to portions no longer meeting the requirements of its designation. This action also amends the Class E5 airspace that no longer meets the requirements for its specific designation due to the amendment or cancellation of Standard Instrument Approach Procedures at Nantucket Memorial Airport, Nantucket, MA. This action also makes editorial changes to the airspace descriptions to reflect current geographic information and naming conventions.
This action is an administrative change to rename restricted areas R-5311A, R-5311B, and R-5311C, Fort Liberty, NC, and to update the using agency description to reflect the change. This action does not alter airspace boundaries or impose additional operating requirements on users of the affected airspace.
This amendment adopts miscellaneous amendments to the required IFR (instrument flight rules) altitudes and changeover points for certain Federal airways, jet routes, or direct routes for which a minimum or maximum en route authorized IFR altitude is prescribed. This regulatory action is needed because of changes occurring in the National Airspace System. These changes are designed to provide for the safe and efficient use of the navigable airspace under instrument conditions in the affected areas.
This action amends Alaskan Very High Frequency Omnidirectional Range (VOR) Federal Airways V-444 and V-504. The FAA is taking this action due to the pending decommissioning of the Evansville, AK, Nondirectional Radio Beacon (NDB).
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.