Federal Aviation Administration May 2021 – Federal Register Recent Federal Regulation Documents

Notice of Intent of Waiver With Respect to Land; Prairie Du Chien Municipal Airport, Prairie Du Chien, WI
Document Number: 2021-11342
Type: Notice
Date: 2021-05-28
Agency: Federal Aviation Administration, Department of Transportation
The FAA is considering a proposal to change 0.50 acres (future Parcel 17D) of Clear Zone Easement contained in Parcel 17B to Avigation Easement in exchange for converting 2.94 acres of land currently not controlled by the Airport Sponsor (future Parcel 36) to an Avigation Easement for approach protection. Both Parcel 17B and future Parcel 36 are owned by Crossing Rivers Health Center (and are being sold to a commercial developer) and located adjacent to Prairie du Chien Municipal Airport, Prairie du Chien, WI. The proposed release of 0.50 acres of Clear Zone Easement to Avigation Easement is not in the Runway Protection Zone (RPZ). The release of 0.50 acres from Clear Zone Easement to Avigation Easement is required to allow development on the property that is being sold by the Crossing Rivers Health Center. The conversion from Clear Zone Easement to Avigation Easement will not result in any impact to surfaces protected by Part 77 or airport design surfaces. The Clear Zone Easement was originally purchased to enable the Airport to ensure airport compatible land use. The proposed future use of 0.50 acres of the land will be a compatible land use.
Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: General Operating and Flight Rules FAR 91 and FAR 107
Document Number: 2021-11300
Type: Notice
Date: 2021-05-28
Agency: Federal Aviation Administration, Department of Transportation
In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request Office of Management and Budget (OMB) approval to renew an information collection. The collection involves information required to process a request for a Minimum Equipment List (MEL) Letter of Authorization (LOA) in accordance with certain regulations prescribing general operating and flight rules. The information to be collected is necessary because a written request is required to obtain an MEL LOA. The information collected includes only those details essential to evaluate the request, approve the MEL, and issue the LOA.
Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes
Document Number: 2021-11237
Type: Proposed Rule
Date: 2021-05-28
Agency: Federal Aviation Administration, Department of Transportation
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 reports of wear damage found between the bonding clamps and the fuel feed tubes inside the left- and right-hand fuel tanks. This proposed AD would require repetitive inspections of the fuel feed tubes for damage, replacement if necessary, and modification of the fuel feed line installation inside the left- and right-hand fuel tanks, which would terminate the repetitive inspections, as specified in a Transport Canada Civil Aviation (TCCA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.
Proposed Amendment of Class D and Class E Airspace and Establishment of Class E Airspace; Waco, TX
Document Number: 2021-11233
Type: Proposed Rule
Date: 2021-05-28
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to amend the Class D and Class E airspace and establish Class E airspace at airports in Waco, TX. The FAA is proposing this action as the result of biennial airspace reviews. The name and geographic coordinates of various airports and navigational aids would also be updated to coincide with the FAA's aeronautical database.
Proposed Amendment of Class E Airspace; Hondo, TX
Document Number: 2021-11232
Type: Proposed Rule
Date: 2021-05-28
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to amend the Class E airspace extending upward from 700 feet above the surface at South Texas Regional Airport at Hondo, Hondo, TX. The FAA is proposing this action as the result of an airspace review caused by the decommissioning of the Hondo non- directional beacon (NDB). The name and geographic coordinates of the airport would also be updated to coincide with the FAA's aeronautical database.
Proposed Amendment of Class D and Class E Airspace, Revocation of Class E Airspace and Establishment of Class E Airspace; Carbondale and Marion, IL
Document Number: 2021-11231
Type: Proposed Rule
Date: 2021-05-28
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to amend the Class D airspace and Class E airspace at Carbondale, IL, and Marion, IL; revoke the Class E airspace area designated as an extension to Class D airspace at Veterans Airport of Southern Illinois, Marion, IL; and establish Class E airspace extending upward from 700 feet above the surface at Southern Illinois Airport, Carbondale/Murphysboro, IL. The FAA is proposing this action as the result of airspace reviews caused by the decommissioning of the Marion very high frequency (VHF) omnidirectional range (VOR) as part of the VOR Minimal Operational Network (MON) Program. The names and geographic coordinates of the airports would also be updated to coincide with the FAA's aeronautical database.
Proposed Amendment of Class D and Class E Airspace and Revocation of Class E Airspace; Columbus, OH
Document Number: 2021-11230
Type: Proposed Rule
Date: 2021-05-28
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to amend the Class D airspace and Class E airspace at Columbus, OH, and revoke the Class E airspace extending upward from 700 feet above the surface at Dan Darby Airport, Columbus, OH. The FAA is proposing this action as the result of an airspace review caused by the decommissioning of the Rickenbacker International Airport runway 5R middle marker and the cancellation of instrument procedures at Dan Darby Airport. The name and geographic coordinates of various airports would also be updated to coincide with the FAA's aeronautical database.
Proposed Amendment of Class E Airspace; Eveleth, MN
Document Number: 2021-11226
Type: Proposed Rule
Date: 2021-05-28
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to amend the Class E airspace extending upward from 700 feet above the surface at Eveleth-Virginia Municipal Airport, Eveleth, MN. The FAA is proposing this action as the result of an airspace review caused by the decommissioning of the Eveleth non- directional beacon (NDB). The geographic coordinates of the airport would also be updated to coincide with the FAA's aeronautical database.
Airworthiness Directives; Leonardo S.p.a. Helicopters
Document Number: 2021-11198
Type: Proposed Rule
Date: 2021-05-28
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AW189 helicopters. This proposed AD was prompted by corrosion on the inlet check valve banjo fitting of emergency flotation system (EFS) float assemblies. This proposed AD would require visually inspecting each banjo fitting installed on an affected EFS float assembly, and depending on the results, removing the banjo fitting from service. This proposed AD would also require applying corrosion inhibiting compound to each banjo fitting installed on an affected EFS float assembly and prohibit installing an affected EFS float assembly unless the banjo fitting inspection, banjo fitting replacement, and corrosion inhibiting compound application requirements have been accomplished as specified in a European Aviation Safety Agency (now 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.
Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate previously Held by Rolls-Royce plc) Turbofan Engines
Document Number: 2021-11158
Type: Proposed Rule
Date: 2021-05-28
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent XWB-75, Trent XWB-79, Trent XWB-79B, and Trent XWB-84 model turbofan engines. This proposed AD was prompted by reports of cracks in the intermediate-pressure compressor (IPC) rotor 1 (R1) blades installed on certain Trent XWB model turbofan engines. This proposed AD would require initial and repetitive borescope inspections (BSIs) of the affected IPC R1 blades and, depending on the results of the inspections, replacement of all 34 IPC R1 blades. The FAA is proposing this AD to address the unsafe condition on these products.
NextGen Advisory Committee; Notice of Public Meeting
Document Number: 2021-11229
Type: Notice
Date: 2021-05-27
Agency: Federal Aviation Administration, Department of Transportation
This notice announces a meeting of the NextGen Advisory Committee (NAC).
Amendment and Establishment of Class E Airspace; Baker City, OR
Document Number: 2021-11142
Type: Rule
Date: 2021-05-27
Agency: Federal Aviation Administration, Department of Transportation
This action modifies the Class E airspace, designated as a surface area for Baker City Municipal Airport. This action also proposes to establish Class E airspace, designated as an extension to a Class D or Class E surface area. Additionally, this action modifies the Class E airspace extending upward from 700 feet above the surface. This action also removes the Baker City VORTAC from the Class E2 and the VOR/DME from the Class E5 text headers and airspace descriptions. Lastly, this action implements several administrative corrections to the airspaces' legal descriptions.
Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes
Document Number: 2021-11137
Type: Proposed Rule
Date: 2021-05-27
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for certain MHI RJ Aviation ULC Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2C11 (Regional Jet Series 550), CL-600-2D15 (Regional Jet Series 705), CL-600-2D24 (Regional Jet Series 900), and CL-600-2E25 (Regional Jet Series 1000) airplanes. This proposed AD was prompted by a determination that new airworthiness limitations for structural inspections and safe life components are necessary. This proposed AD would require revising the existing maintenance or inspection program, as applicable, to incorporate new airworthiness limitations. The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes
Document Number: 2021-11089
Type: Rule
Date: 2021-05-27
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for certain ATR-GIE Avions de Transport R[eacute]gional Model ATR72-212A airplanes. This AD was prompted by a report of an engine electrical control #1 fault during flight caused by chafing damage on an electrical harness bundle. This AD requires modifying the electrical harness routes and de-icing pipe coupling installations, 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.
Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes
Document Number: 2021-11088
Type: Rule
Date: 2021-05-27
Agency: Federal Aviation Administration, Department of Transportation
The FAA is superseding Airworthiness Directive (AD) 2015-17- 08, which applied to certain Bombardier, Inc. Model DHC-8-400 series airplanes. AD 2015-17-08 required installing new cable assemblies with a pull-down resistor. This AD requires modifications to the nose wheel steering (NWS) system. This AD was prompted by a report indicating that several failure modes of the NWS system may cause the loss of feedback from both rotary variable differential transformers to the steering control unit. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Carson Helicopters, Inc.; Croman Corporation; Sikorsky Aircraft Corporation; and Siller Helicopters
Document Number: 2021-11081
Type: Rule
Date: 2021-05-27
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for all Carson Helicopters, Inc., Model S-61L and SH-3H helicopters; Croman Corporation Model SH-3H helicopters; Sikorsky Aircraft Corporation Model S-61A, S-61D, S-61E, and S-61V helicopters; and Siller Helicopters Model CH-3E and SH-3A helicopters. This AD was prompted by an accident. This AD requires tracking hours time-in-service (TIS) and external lift cycles (lift cycles) for certain main gearbox left and right input freewheel unit (IFWU) assemblies. This AD also requires determining the type of IFWU assembly installed and depending on the results, calculating the moving average, repetitive inspections, recording certain information, replacing parts, and marking parts. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
Document Number: 2021-11080
Type: Rule
Date: 2021-05-27
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2 and Model MBB- BK 117 D-2 helicopters. This AD was prompted by a determination that a life limit for the adapter forward (FWD) of the outboard load system, repetitive inspections of other components of that system, and for certain helicopters, a modification of the outboard load system, are necessary to address the unsafe condition. This AD requires a modification of the outboard load system for certain helicopters, repetitive inspections of the outboard load system and its components for any defect (including cracking, damage, corrosion, and incorrect installation) and applicable corrective actions, and implementation of a new life limit for the FWD adapter, as specified in a European Aviation Safety Agency (now 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.
Airworthiness Directives; The Boeing Company Airplanes
Document Number: 2021-11065
Type: Rule
Date: 2021-05-27
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 767-200, -300, -300F, and -400ER series airplanes. This AD was prompted by a determination that new or more restrictive airworthiness limitations (AWLs) 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.
Special Conditions: Haeco Cabin Solutions, Boeing Commercial Airplanes Model 737-800 Airplane; Structure-Mounted Airbags
Document Number: 2021-11136
Type: Rule
Date: 2021-05-26
Agency: Federal Aviation Administration, Department of Transportation
These special conditions are issued for the Boeing Commercial Airplanes (Boeing) Model 737-800 airplane. This airplane, as modified by Haeco Cabin Solutions (Haeco), will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport category airplanes. This design feature is structure-mounted airbags designed to protect each occupant from serious head injury in the event of an emergency landing. 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.
Notice of Intent of Waiver With Respect to Land; West Michigan Regional Airport, Holland, Michigan
Document Number: 2021-11129
Type: Notice
Date: 2021-05-26
Agency: Federal Aviation Administration, Department of Transportation
The FAA is considering a proposal to change 18.8 acres of airport land from aeronautical use to non-aeronautical use and to authorize the sale of airport property located at the West Michigan Regional Airport, Holland, Michigan. The aforementioned land is not needed for aeronautical use. The property is located near the southeast corner of 64th Street and CSX Transportation Railroad. It is currently vacant, undeveloped land with no future aeronautical use identified. The property is proposed to be sold for a future non-aeronautical airport compatible land use.
IFR Altitudes; Miscellaneous Amendments
Document Number: 2021-10972
Type: Rule
Date: 2021-05-26
Agency: Federal Aviation Administration, Department of Transportation
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.
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Document Number: 2021-10909
Type: Proposed Rule
Date: 2021-05-25
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for certain Bell Textron Canada Limited Model 505 helicopters. This proposed AD was prompted by three occurrences of metallic debris in the engine oil lubrication system causing the 12 volts direct current (VDC) reference voltage to be shorted to ground and loss of important flight information to the pilot. This proposed AD would require replacing a certain part-numbered relay panel assembly. The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Leonardo S.p.a. Helicopters
Document Number: 2021-10908
Type: Proposed Rule
Date: 2021-05-25
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This proposed AD was prompted by two events of uncommanded emergency flotation system (EFS) deployment during flight. This proposed AD would require replacing certain part-numbered EFS control panels and prohibit installing them. The FAA is proposing this AD to address the unsafe condition on these products.
Amendment To Separate Terminal Airspace Areas From Norton Sound Low, Woody Island Low, Control 1234L, and Control 1487L Offshore Airspace Areas; Alaska
Document Number: 2021-10443
Type: Rule
Date: 2021-05-25
Agency: Federal Aviation Administration, Department of Transportation
This action withdraws the final rule published in the Federal Register on April 12, 2021 amending the following Offshore Airspace Areas in Alaska: Norton Sound Low, Woody Island Low, Control 1234L, and Control 1487L. The FAA has determined that withdrawal of the final rule is warranted since there are actions taking place to correct the terminal airspace contained in the Offshore airspace that may cause an overlap and further confuse general aviation and air traffic control.
Amendment to Alaskan VOR Federal Airway V-319, United States Area Navigation (RNAV) Routes, T-219 and T-269, and Revocation of Federal Colored Airway R-50; Alaska
Document Number: 2021-10898
Type: Rule
Date: 2021-05-24
Agency: Federal Aviation Administration, Department of Transportation
This action removes Colored Federal airway, R-50, and amends Alaskan VOR Federal airway, V-319, and United States Area Navigation (RNAV) Routes T-219 and T-269 in Alaska. The modifications are necessary due to the planned decommissioning of the Nanwak Non- Directional Beacon (NDB) and Distance Measuring Equipment (DME) in Mekoryuk, AK, which provides navigation guidance for portions of the affected routes. The Nanwak NDB/DME (AIX) is to be decommissioned effective June 17, 2021 due to the high cost of maintenance.
Airworthiness Directives; Airbus Helicopters
Document Number: 2021-10721
Type: Proposed Rule
Date: 2021-05-21
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Helicopters Model SA330J, AS332C, AS332L, AS332L1, AS332L2, and EC225LP helicopters. This proposed AD was prompted by a report of a left-hand (LH) side stairway door that inadvertently opened in flight and tore off from its attachment fittings. This proposed AD would require inspecting the locking safety mechanism of the LH side stairway door handle and depending on the results, corrective action. This proposed AD would also require modifying that locking safety mechanism 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.
Airworthiness Directives; Leonardo S.p.a. Helicopters
Document Number: 2021-10700
Type: Proposed Rule
Date: 2021-05-21
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to supersede Airworthiness Directive (AD) 2020-19-11 for certain Leonardo S.p.a. Model A119 and AW119 MKII helicopters. AD 2020-19-11 requires repetitive borescope inspections of the 90-degree tail rotor gearbox (TGB) and depending on the inspection results, removing the TGB from service. Since the FAA issued AD 2020- 19-11, it was determined that additional parts may be susceptible to the unsafe condition. This proposed AD would retain the inspection requirements of AD 2020-19-11, and revise the compliance time and applicability. The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
Document Number: 2021-10635
Type: Proposed Rule
Date: 2021-05-21
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to supersede Airworthiness Directive (AD) 2020-21-05, which applies to all Airbus SAS Model A330-200 Freighter, A330-200, A330-300, A330-900, A340-200, A340-300, A340-500, and A340- 600 series airplanes. AD 2020-21-05 requires repetitive inspections of certain fuel pumps for cavitation erosion, replacement if necessary, revision of the operator's minimum equipment list (MEL), and accomplishment of certain maintenance actions related to defueling and ground fuel transfer operations. Since the FAA issued AD 2020-21-05, a determination was made that certain compliance times need to be revised and that additional airplanes are subject to the unsafe condition. This proposed AD would retain the requirements of AD 2020-21-05, revise certain compliance times, and expand the applicability, as 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.
Revocation of VOR Federal Airway V-242 Due to the Planned Decommissioning of the Atikokan, Ontario, Canada, Nondirectional Radio Beacon (NDB) Navigation Aid
Document Number: 2021-10617
Type: Rule
Date: 2021-05-21
Agency: Federal Aviation Administration, Department of Transportation
This action removes VHF Omnidirectional Range (VOR) Federal airway V-242 in the northcentral United States to reflect changes being made by NAV CANADA in Canadian airspace. The airway removal is necessary due to the planned decommissioning of the Atikokan, Ontario (ON), Canada, NDB navigation aid (NAVAID), which provides navigation guidance for V-242. The Atikokan NDB is being decommissioned as part of NAV CANADA's NAVAID Modernization Program.
Amendment of V-72, V-132, V-190, and V-289, and Revocation of V-238 in the Vicinity of Maples, MO
Document Number: 2021-10616
Type: Rule
Date: 2021-05-21
Agency: Federal Aviation Administration, Department of Transportation
This action amends VHF Omnidirectional Range (VOR) Federal airways V-72, V-132, V-190, and V-289; and removes VOR Federal airway V-238 in the vicinity of Maples, MO. The VOR Federal airway modifications are necessary due to the planned decommissioning of the VOR portion of the Maples, MO, VOR/Tactical Air Navigation (VORTAC) navigation aid (NAVAID) which provides navigation guidance for portions of the affected airways listed above. The Maples VOR is being decommissioned as part of the FAA's VOR Minimum Operational Network (MON) program.
Airworthiness Directives; Airbus Helicopters
Document Number: 2021-10608
Type: Rule
Date: 2021-05-20
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model SA330J helicopters. This AD was prompted by the failure of a second stage planet gear installed in the main gearbox (MGB). This AD requires repetitively inspecting the MGB particle detector and the MGB bottom housing (oil sump) for metal particles, analyzing any metal particles that are found, and replacement of the MGB if necessary, as specified in a European Aviation Safety Agency (now 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.
Airworthiness Directives; CFM International, S.A. Turbofan Engines
Document Number: 2021-10607
Type: Rule
Date: 2021-05-20
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for all CFM International, S.A. (CFM) CFM56-5B and CFM56-7B model turbofan engines with a certain high-pressure turbine (HPT) inner stationary seal installed. This AD was prompted by cracks found in the rotating air HPT front seal. This AD requires removal, inspection, and replacement of the affected HPT inner stationary seal and, depending on the findings, replacement of the rotating air HPT front seal, HPT rotor blades, and No. 3 ball bearing. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
Document Number: 2021-10605
Type: Rule
Date: 2021-05-20
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model BO-105A, BO-105C, BO- 105S, and BO-105LS A-3 helicopters. This AD was prompted by the FAA's determination that aging of the elastomeric material in a tension torsion strap (TT-strap) could affect the structural characteristics of the TT-strap. This AD requires replacement of certain TT-straps with serviceable parts and implementation of a new storage life limit for TT-straps, as specified in a European Aviation Safety Agency (now 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.
Airworthiness Directives; Airbus SAS Airplanes
Document Number: 2021-10590
Type: Rule
Date: 2021-05-20
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A318, A319, A320, and A321 series airplanes. This AD was prompted by the loss of a windshield in flight, and the consequent rapid depressurization of the flight deck, which caused damage to flight deck items and systems and subsequent thermal shock and overheat, damage to windshield structural plies, and impaired structural integrity of the windshield. This AD requires repetitive inspections and electrical test measurements (EMTs) of affected windshields, and corrective actions if necessary, 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.
Proposed Amendment of Class E Airspace; Palestine, TX
Document Number: 2021-10560
Type: Proposed Rule
Date: 2021-05-20
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to amend the Class E airspace extending upward from 700 feet above the surface at Palestine Municipal Airport, Palestine, TX. The FAA is proposing this action as the result of an airspace review due to the decommissioning of the Palestine non- directional beacon (NDB). The geographical coordinates of the airport would also be updated to coincide with the FAA's aeronautical database.
Proposed Amendment of Air Traffic Service (ATS) Routes; Northeast United States
Document Number: 2021-10444
Type: Proposed Rule
Date: 2021-05-20
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to amend VOR Federal airways V-39 and V- 93 in support of the Northeast Corridor Atlantic Coast Route (NEC ACR), and the VOR Minimum Operational Network (VOR MON) Projects.
Proposed Amendment of Class E Airspace; Muscle Shoals, AL
Document Number: 2021-10442
Type: Proposed Rule
Date: 2021-05-20
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to amend Class E airspace extending upward from 700 feet above the surface in Muscle Shoals, AL, due to the decommissioning of the Muscle Shoals Very High Frequency Omni- Directional Radio Range Tactical Air Navigation Aid (VORTAC), and cancellation of the associated approach at Northwest Alabama Regional Airport. This action would also update the airport name under the Class E surface airspace. This action would also make an editorial change replacing the term Airport/Facility Directory with the term Chart Supplement in the legal descriptions of associated Class E airspace. Controlled airspace is necessary for the safety and management of instrument flight rules (IFR) operations in the area.
Proposed Amendment of Class E Airspace; Massena, NY
Document Number: 2021-10432
Type: Proposed Rule
Date: 2021-05-20
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to amend Class E surface area and Class E airspace extending upward from 700 feet above the surface at Massena International-Richards Field Airport, Massena, NY. The FAA is proposing this action as a result of an airspace review caused by the decommissioning of the Massena Very High Frequency Omnidirectional Range (VOR) Tactical Air Navigation (VORTAC) aid as part of the VOR Minimum Operational Network (MON) Program. This action would also update the geographic coordinates of Massena International-Richards Field Airport, Massena, NY, to coincide with the FAA's database. Controlled airspace is necessary for the safety and management of instrument flight rules (IFR) operations in the area.
Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) and Eurocopter France Helicopters
Document Number: 2021-10352
Type: Proposed Rule
Date: 2021-05-20
Agency: Federal Aviation Administration, Department of Transportation
The FAA is revising a notice of proposed rulemaking (NPRM) to supersede AD 2002-08-16, which applies to certain Eurocopter France SA341G, SA342J, and SA-360C helicopters. The NPRM proposed to require removing certain main rotor head torsion tie bars (tie bars) from service and revising the limitations section of the existing maintenance manual for your helicopter by adding life limits for those tie bars. The NPRM was prompted by the determination that another part- numbered tie bar was affected by the same unsafe condition. This action reopens the comment period because a significant amount of time has elapsed since the NPRM was published. This action also revises the NPRM by updating the type certificate holder's name, updating the estimated cost information, clarifying the requirements and compliance times, and adding parts installation prohibitions. 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.
Airworthiness Directives; Bombardier, Inc., Airplanes
Document Number: 2021-10467
Type: Rule
Date: 2021-05-19
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-100-1A10 airplanes. This AD was prompted by a report that the inboard multi-function spoiler (MFS) surfaces failed to deploy, which was caused by missing notches on the piston seal of the MFS power control units (PCUs). This AD requires an inspection to determine if affected MFS PCUs are installed, and replacement of affected MFS PCUs. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes
Document Number: 2021-10463
Type: Rule
Date: 2021-05-19
Agency: Federal Aviation Administration, Department of Transportation
The FAA is superseding Airworthiness Directives (AD) 2000-23- 04 R1 and AD 2018-20-14, which applied to certain ATR-GIE Avions de Transport R[eacute]gional Model ATR42-500 airplanes. AD 2000-23-04 R1 and AD 2018-20-14 required revising the maintenance or inspection program, as applicable, to incorporate new and/or more restrictive maintenance requirements and airworthiness limitations. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations; as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. This AD was prompted by the FAA's determination that new or more restrictive airworthiness limitations are necessary. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; The Boeing Company Airplanes
Document Number: 2021-10562
Type: Rule
Date: 2021-05-18
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-300, -400, and -500 series airplanes. This AD was prompted by a flap synchro wire failure that may go undetected by the autothrottle (A/T) computer. This AD requires repetitive BITE (built-in test equipment) tests of the A/T computer to detect a flap synchro wire failure, and corrective action if necessary. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Leonardo S.p.a. Helicopters
Document Number: 2021-10398
Type: Rule
Date: 2021-05-18
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AW169 helicopters. This AD was prompted by false simultaneous in-flight disengagement of automatic flight control system (AFCS) channels 1 and 2. This AD requires temporarily revising the existing Rotorcraft Flight Manual (RFM) for your helicopter. This AD also requires installing an AFCS software upgrade and concurrently removing that RFM revision. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters
Document Number: 2021-10397
Type: Rule
Date: 2021-05-18
Agency: Federal Aviation Administration, Department of Transportation
The FAA is superseding Airworthiness Directive (AD) 2019-03-12 for certain Airbus Helicopters Model EC225LP helicopters. AD 2019-03-12 required repetitively inspecting, cleaning, and lubricating each life raft inflation cylinder percussion system bellcrank (bellcrank). This new AD continues to require the actions specified in AD 2019-03-12, and requires replacing any affected bellcrank with a serviceable bellcrank, which terminates the repetitive actions. This AD was prompted by reports of jammed bellcranks in the life raft jettison inflation cylinder percussion system. The actions of this AD are intended to address an unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters
Document Number: 2021-10393
Type: Rule
Date: 2021-05-18
Agency: Federal Aviation Administration, Department of Transportation
The FAA is superseding Airworthiness Directive (AD) 2010-16- 51, which applied to certain Eurocopter France (now Airbus Helicopters (Airbus)) Model SA330J helicopters. AD 2010-16-51 required 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 and depending on the results, replacing the two fan rotor shaft bearings with two airworthy bearings. This AD retains the requirements of AD 2010-16-51 and also requires installing improved MGB fan rotor shaft bearings and repetitively inspecting the new improved MGB fan rotor shaft bearings, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. AD 2010-16-51 was prompted by the separation of a fan rotor blade that caused puncture holes in the transmission deck. This new AD was prompted by the development of an improved MGB fan rotor shaft bearing design. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
Document Number: 2021-10377
Type: Proposed Rule
Date: 2021-05-18
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus SAS Model A330-200, -200 Freighter, -300, -800, and -900 series airplanes; and Model A340-200 and -300 series airplanes. This proposed AD was prompted by reports of incorrect installation of the lower attachment parts of the trimmable horizontal stabilizer actuator (THSA). This proposed AD would require doing a detailed inspection of the THSA lower attachment parts for discrepancies and corrective action if necessary, and would prohibit using earlier versions of certain airplane maintenance manual (AMM) tasks, as 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.
Proposed Amendment of Class D and Class E Airspace; Savannah, GA
Document Number: 2021-10368
Type: Proposed Rule
Date: 2021-05-18
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to amend Class D airspace by removing unnecessary verbiage from the description, and Class E surface airspace in Savannah, GA, by updating the dividing line between Savannah/Hilton Head International Airport and Hunter Army Airfield. Controlled airspace is necessary for the safety and management of instrument flight rules (IFR) operations in the area.
Airworthiness Directives; Airbus Helicopters
Document Number: 2021-10353
Type: Proposed Rule
Date: 2021-05-18
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Helicopters Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350D, AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters. This proposed AD was prompted by a report of reduced yaw control, during an approach for landing, that resulted from rupture of the tail rotor gearbox (TGB) actuating rod and uncoupling of the steel sleeve from inside the external aluminum tube. This proposed AD would require dye penetrant inspecting certain TGB actuating rods for a crack, and depending on the inspection results, replacing the TGB actuating rod, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference (IBR). This proposed AD would also require marking each TGB actuating rod, reporting information, and, for certain helicopters, ensuring the correct interface between certain TGB actuating rods and bearings. The FAA is proposing this AD to address the unsafe condition on these products.
Notice of Intent To Rule on Request To Dispose 5.3 and .8 Acres of Land at Sanford Seacoast Regional Airport, Sanford, ME
Document Number: 2021-10322
Type: Notice
Date: 2021-05-17
Agency: Federal Aviation Administration, Department of Transportation
Notice is being given that the FAA is considering a request from the Town of Sanford ME, to dispose of 5.3 and .8 acres of land at Sanford Seacoast Regional Airport, Sanford, ME. The land is no longer needed for aviation purposes and may be disposed of by the airport. These parcels are located in non-aeronautical use area and will have no effect on any existing or future aviation development needs. The proceeds from the sale of the two properties will be placed in the airports operating and maintenance account.
Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines
Document Number: 2021-10310
Type: Rule
Date: 2021-05-17
Agency: Federal Aviation Administration, Department of Transportation
The FAA is adopting a new airworthiness directive (AD) for all Safran Helicopter Engines, S.A. (Safran) Arriel 2D and Arriel 2E model turboshaft engines. This AD was prompted by the manufacturer revising the maintenance and overhaul manuals to introduce new or more restrictive airworthiness limitations and maintenance tasks. This AD requires the replacement of certain critical parts before reaching their published in-service life limits, performing scheduled maintenance tasks before reaching their published periodicity, and performing unscheduled maintenance tasks when the engine meets certain conditions. As a terminating action, this AD requires operators to revise the airworthiness limitation section (ALS) of their existing approved aircraft maintenance program (AMP) by incorporating the revised airworthiness limitations and maintenance tasks. The FAA is issuing this AD to address the unsafe condition on these products.