Federal Aviation Administration 2013 – Federal Register Recent Federal Regulation Documents
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Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines
We are adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-725A1-12 turbofan engines with fuel pump tube part number FW64852 installed. This AD requires removal of the affected fuel pump tube and its replacement with a part eligible for installation. This AD was prompted by the discovery that cracks have occurred in the affected fuel pump tube between the fuel metering unit and the main fuel pump. We are issuing this AD to prevent loss of fuel supply to the engine, which could result in in-flight engine shutdown of one or more engines, loss of thrust control and damage to the airplane.
Airworthiness Directives; The Boeing Company Airplanes
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777-200 and -300 series airplanes. This AD was prompted by reports of hydraulic fluid contamination (including contamination caused by hydraulic fluid in its liquid, vapor, and/or solid (coked) form) found in the strut forward dry bay. This AD requires repetitive general visual inspections of the strut forward dry bay for the presence of hydraulic fluid, and related investigative and corrective actions (including checking drain lines for blockage due to hydraulic fluid coking, and cleaning or replacing drain lines to allow drainage) if necessary. We are issuing this AD to detect and correct hydraulic fluid contamination of the strut forward dry bay, which could result in hydrogen embrittlement of the titanium forward engine mount bulkhead fittings, and consequent inability of the fittings to carry engine loads, resulting in engine separation. Hydraulic embrittlement also could cause a through-crack formation across the fittings through which an engine fire could breach into the strut, resulting in an uncontained strut fire.
Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines
We propose to adopt a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) model Tay 650-15 turbofan engines. This proposed AD was prompted by excessive deterioration of the high-pressure (HP) air bleed valve operating mechanism. This proposed AD would require a one-time inspection of the HP air bleed valve operating mechanism and, depending on findings, corrective action. We are proposing this AD to prevent multiple fan blade failure, which could result in uncontained engine failure and damage to the airplane.
Petition for Exemption; Summary of Petition Received
This notice contains a summary of a petition seeking relief from specified requirements of 14 CFR. The purpose of this notice is to improve the public's awareness of, and participation in, this aspect of FAA's regulatory activities. Neither publication of this notice nor the inclusion or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.
Special Conditions: Eurocopter France, EC175B; Use of 30-Minute Power Rating
These special conditions are issued for the Eurocopter France Model EC175B helicopter. This model helicopter will have the novel or unusual design feature of a 30-minute power rating, generally intended to be used for hovering at increased power for search and rescue missions. 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.
Airworthiness Directives; Piper Aircraft, Inc. Airplanes
We are superseding an existing airworthiness directive (AD) for all Piper Aircraft, Inc. Models PA-31, PA-31-325, and PA-31-350 airplanes. That AD currently requires a detailed repetitive inspection of the exhaust system downstream of the turbochargers and repair or replacement of parts as necessary. This new AD requires visual repetitive inspections, expanding the inspection scope to include the entirety of each airplane exhaust system. This AD was prompted by reports of exhaust system failures upstream of aircraft turbochargers and between recurring detailed inspections. We are issuing this AD to correct the unsafe condition on these products.
Office of Commercial Space Transportation; Notice of Extension of Comment Period for the Draft Environmental Impact Statement for the SpaceX Texas Launch Site
A Notice of Availability (NOA) for the FAA's Draft Environmental Impact Statement for the SpaceX Texas Launch Site (Draft EIS) was published in the Federal Register by the U.S. Environmental Protection Agency (EPA) on April 19, 2013 (78 FR 23558). The FAA also published an NOA of the Draft EIS in the Federal Register on the same day (78 FR 23629). The comment period for the Draft EIS was to end on June 3, 2013 (45 days after publication of the proposal in the Federal Register). This notice extends the comment period to June 24, 2013 to allow the public additional time to comment on the Draft EIS.
Airworthiness Directives; Eurocopter France Model Helicopters
We propose to adopt a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model EC 155B and EC155B1 helicopters. This proposed AD would require repetitively inspecting the lower and upper front and rear fittings (fittings) that attach the upper fin to the fenestron for a crack. If there is a crack, this AD would require removing all four fittings from service. This proposed AD would also require, within a specified time, removing all fittings from service, and the fittings would not be eligible to be installed on any helicopter. This AD is prompted by the loss of an upper fin in flight. The proposed actions are intended to detect a crack in the fittings to prevent loss of the upper fin and subsequent loss of control of the helicopter.
Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell), Model Helicopters
This document proposes to supersede an existing airworthiness directive (AD) for the Bell Model 412, 412CF, and 412EP helicopters. The AD currently requires reidentifying each affected part-numbered main rotor yoke (yoke) on its data plate, reducing the retirement life of the reidentified yoke, and revising the Airworthiness Limitations section of the maintenance manual or the Instructions for Continued Airworthiness (ICAs) accordingly. Since we issued the AD, we have discovered that the affected yokes do not have a data plate, making compliance with the part-marking requirements of the existing AD impossible. This proposed AD would retain the current requirements with the exception of the P/N marking location. The actions specified in this AD are intended to prevent fatigue cracking of a yoke, failure of the yoke, and subsequent loss of control of the helicopter.
Consensus Standards, Light-Sport Aircraft
This notice announces the availability of one new and seven revised consensus standards relating to the provisions of the Sport Pilot and Light-Sport Aircraft rule issued July 16, 2004, and effective September 1, 2004. ASTM International Committee F37 on Light Sport Aircraft developed the new and revised standards with Federal Aviation Administration (FAA) participation. By this notice, the FAA finds the new and revised standards acceptable for certification of the specified aircraft under the provisions of the Sport Pilot and Light-Sport Aircraft rule.
Revisions to Operational Requirements for the Use of Enhanced Flight Vision Systems (EFVS) and to Pilot Compartment View Requirements for Vision Systems
The FAA is proposing to permit operators to use an Enhanced Flight Vision System (EFVS) in lieu of natural vision to continue descending from 100 feet above the touchdown zone elevation to the runway and land on certain straight-in instrument approach procedures under instrument flight rules (IFR). This proposal would also permit certain operators using EFVS-equipped aircraft to dispatch, release, or takeoff under IFR, and to initiate and continue an approach, when the destination airport weather is below authorized visibility minimums for the runway of intended landing. Under this proposal, pilot training, recent flight experience, and proficiency would be required for operators who use EFVS in lieu of natural vision to descend below decision altitude, decision height, or minimum descent altitude. EFVS- equipped aircraft conducting operations to touchdown and rollout would be required to meet additional airworthiness requirements. This proposal would also revise pilot compartment view certification requirements for vision systems using a transparent display surface located in the pilot's outside view. The proposal would take advantage of advanced vision capabilities thereby achieving the NextGen goals of increasing access, efficiency, and throughput at many airports when low visibility is the limiting factor. Additionally, it would enable EFVS operations in reduced visibilities on a greater number of approach procedure types while maintaining an equivalent level of safety.
Airworthiness Directives; CFM International S.A. Turbofan Engines
We propose to adopt a new airworthiness directive (AD) for all CFM56-3 and CFM56-7B series turbofan engines with certain accessory gearboxes (AGBs) not equipped with a handcranking pad ``oil dynamic seal'' assembly. This proposed AD was prompted by 42 events of total loss of engine oil from CFM56 series turbofan engines while in flight. This proposed AD would require an independent inspection to verify re- installation of the handcranking pad cover after removal of the pad cover for maintenance until installation of a handcranking pad oil dynamic seal assembly. This inspection requirement exceeds normal maintenance and is necessary due to the design and location of the handcranking pad cover on the accessory gear box. We are proposing this AD to prevent loss of engine oil while in flight, which could result in engine failure, loss of thrust control, and damage to the airplane.
Proposed Establishment of Class D Airspace; Bryant AAF, Anchorage, AK
The FAA is issuing a SNPRM for the Notice of Proposed Rulemaking (NPRM) published on August 22, 2012 to establish Class D airspace at Bryant Army Airfield (AAF), Anchorage, AK. After review of comments received, the FAA determined that the portion of controlled airspace east of Glenn Highway needs further review and, therefore, would be eliminated from this proposal for the safety and management of aircraft operations at the airport.
Proposed Modification of Class D and E Airspace; Kenai, AK
This action proposes to modify Class D and E airspace at Kenai, AK, to accommodate aircraft departing and arriving under Instrument Flight Rules (IFR) at Kenai Municipal Airport. A minor adjustment also would be made to the geographic coordinates of the airport. This action, initiated by the biennial review of the Kenai airspace area, would enhance the safety and management of aircraft operations at the airport.
Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments
This rule establishes, amends, suspends, or revokes 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 safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.
Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments
This rule establishes, amends, suspends, or revokes 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 safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.
Establishment of Class E Airspace; Tobe, CO
This action establishes Class E airspace at the Tobe VHF Omni- Directional Radio Range/Distance Measuring Equipment (VOR/DME), Tobe, CO, to facilitate vectoring of Instrument Flight Rules (IFR) aircraft under control of Denver and Albuquerque Air Route Traffic Control Centers (ARTCCs). This improves the safety and management of Instrument Flight Rules (IFR) operations within the National Airspace System.
Modification of Class E Airspace; Clifton/Morenci, AZ
This action modifies Class E airspace at Greenlee County Airport, Clifton/Morenci, AZ, to accommodate aircraft using Area Navigation (RNAV) Global Positioning System (GPS) standard instrument approach procedures at Greenlee County Airport. This improves the safety and management of Instrument Flight Rules (IFR) operations at the airport.
Establishment of Class E Airspace; Gillette, WY
This action establishes Class E airspace at the Gillette VHF Omni-Directional Radio Range/Distance Measuring Equipment (VOR/DME), Gillette, WY, to facilitate vectoring of Instrument Flight Rules (IFR) aircraft under control of Denver, Salt Lake City and Minneapolis Air Route Traffic Control Centers (ARTCCs). This improves the safety and management of IFR operations within the National Airspace System.
Establishment of Class E Airspace; Blue Mesa, CO
This action establishes Class E airspace at Blue Mesa VHF Omni-Directional Radio Range/Distance Measuring Equipment (VOR/DME), Blue Mesa, CO, to facilitate vectoring of Instrument Flight Rules (IFR) aircraft under control of Denver and Albuquerque Air Route Traffic Control Centers (ARTCCs). This improves the safety and management of IFR operations within the National Airspace System.
Modification of Class D and Class E Airspace and Establishment of Class E Airspace; Pasco, WA
This action establishes Class E surface airspace at Tri-Cities Airport, Pasco, WA, to accommodate aircraft using Area Navigation (RNAV) Global Positioning System (GPS) standard instrument approach procedures at Tri-Cities Airport, Pasco, WA. The geographic coordinates of Tri-Cities Airport and Vista Field Airport, Kennewick, WA, formerly called Vista Airport, are adjusted for existing Class D and E airspace. This action also makes a minor change to the legal description of the Class E airspace designated as an extension to Class D surface area. This improves the safety and management of Instrument Flight Rules (IFR) operations at the airport.
Amendment of Class E Airspace; Bend, OR
This action modifies Class E airspace at Bend, OR, to accommodate aircraft departing and arriving under Instrument Flight Rules (IFR) at Bend Municipal Airport. This improves the safety and management of IFR operations at the airport. This action also makes some editorial changes for clarity. This action also adjusts the geographic coordinates of the airport.
Establishment of Class E Airspace; Sanibel, FL
This action establishes Class E Airspace at Sanibel, FL, to accommodate a new Area Navigation (RNAV) Global Positioning System (GPS) special Standard Instrument Approach Procedure (SIAP) serving Sanibel Island Heliport. This action enhances the safety and airspace management of Instrument Flight Rules (IFR) operations within the National Airspace System. Also, geographic coordinates are corrected under their proper heading.
Airworthiness Directives; Rolls-Royce plc Turbojet Engines
We are adopting a new airworthiness directive (AD) for all Rolls-Royce plc (RR) Viper Mk. 601-22 turbojet engines. This AD requires reducing the life of certain critical parts. This AD was prompted by a review carried out by RR of the lives of these parts. We are issuing this AD to prevent failure of life-limited parts, damage to the engine, and damage to the airplane.
Aviation Rulemaking Advisory Committee (ARAC) Airman Testing Standards and Training Working Group (ATSTWG)
This notice announces the reopening of the comment period on the availability of draft Airman Certification Standards (ACS) documents developed by the Airman Testing Standards and Training WG for the private pilot certificate and the instrument rating. These documents are available for public review, download, and comment.
Airworthiness Directives; Turbomeca S.A. Turboshaft Engines
We propose to supersede an existing airworthiness directive (AD) that applies to all Turbomeca S.A. Arriel 2D turboshaft engines. The existing AD currently requires replacing the hydromechanical metering unit (HMU) at a reduced life. Since we issued that AD, further cases of deterioration of HMU rotating components have been reported before the HMU reached the replacement interval in that AD. The proposed AD would maintain the existing AD requirements and would also require inspections of the HMU. We are proposing this AD to prevent an uncommanded in-flight shutdown of the engine, and possible loss of the helicopter.
Airworthiness Directives; Eurocopter France Helicopters
We propose to adopt a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model AS332L2 and EC225LP helicopters. This proposed AD would require inspecting the torque value of the bolts that secure the front and rear main gearbox (MGB) suspension bar attaching fittings, and re-torqueing the bolts to the proper value if the torque value is out of tolerance. This proposed AD would also require, if the torque value is out of tolerance by more than 20 percent, inspecting the bolts, frames, and related equipment for a crack and repairing or replacing them if cracked. This proposed AD is prompted by reports of cracks on Frame 5295 of Model AS332L2 helicopters. These actions are intended to detect the torque loss of the bolts that secure the MGB bar attaching fittings and to prevent cracks that could lead to failure of the MGB supporting structure, detachment of the MGB, and loss of helicopter control.
Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters
We propose to adopt a new airworthiness directive (AD) for certain Bell Model 206L-3 and 206L-4 helicopters. This proposed AD would require installing a placard beneath the engine power dual tachometer and revising the limitations section of the rotorcraft flight manual (RFM). This proposed AD is prompted by several incidents of third stage engine turbine wheel failures, which were caused by excessive vibrations at certain engine speeds during steady-state operations. The proposed actions are intended to alert pilots to avoid certain engine speeds during steady-state operations, prevent failure of the third stage engine turbine, engine power loss, and subsequent loss of control of the helicopter.
Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters
We propose to adopt a new airworthiness directive (AD) for certain Bell Model 206B and 206L helicopters. This proposed AD would require installing a placard beneath the engine power dual tachometer and revising the operating limitations section of the rotorcraft flight manual (RFM). This proposed AD is prompted by several incidents of third stage engine turbine wheel failures, which were caused by excessive vibrations at certain engine speeds during steady-state operations. The proposed actions are intended to alert pilots to avoid certain engine speeds during steady-state operations, prevent failure of the third stage engine turbine, engine power loss, and subsequent loss of control of the helicopter.
Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters
We propose to adopt a new airworthiness directive (AD) for Bell Model 230 helicopters. This proposed AD would require installing a placard on the instrument panel and revising the limitations section of the rotorcraft flight manual (RFM). This proposed AD is prompted by several incidents of third stage engine turbine wheel failures, which were caused by excessive vibrations at certain engine speeds during steady-state operations. The proposed actions are intended to alert pilots to avoid certain engine speeds during steady-state operations, prevent failure of the third stage engine turbine, engine power loss, and subsequent loss of control of the helicopter.
Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters
We propose to adopt a new airworthiness directive (AD) for certain Bell Model 430 helicopters. This proposed AD would require installing a placard on the instrument panel and revising the limitations section of the rotorcraft flight manual (RFM). This proposed AD is prompted by several incidents of third stage engine turbine wheel failures, which were caused by excessive vibrations at certain engine speeds during steady-state operations. The proposed actions are intended to alert pilots to avoid certain engine speeds during steady-state operations, prevent failure of the third stage engine turbine, engine power loss, and subsequent loss of control of the helicopter.
Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters
We propose to adopt a new airworthiness directive (AD) for certain Bell Model 407 helicopters. This proposed AD would require installing a placard beneath the NR/NP dual tachometer and revising the limitations section of the rotorcraft flight manual (RFM). This proposed AD is prompted by several incidents of third stage engine turbine wheel failures, which were caused by excessive vibrations at certain engine speeds during steady-state operations. The proposed actions are intended to alert pilots to avoid certain engine speeds during steady-state operations, prevent failure of the third stage engine turbine, engine power loss, and subsequent loss of control of the helicopter.
Petition for Exemption; Summary of Petition Received
This notice contains a summary of a petition seeking relief from specified requirements of 14 CFR. The purpose of this notice is to improve the public's awareness of, and participation in, this aspect of FAA's regulatory activities. Neither publication of this notice nor the inclusion or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.
Aviation Rulemaking Advisory Committee; Meeting
The FAA is issuing this notice to advise the public of a meeting of the ARAC.
Establishment of Class E Airspace; Boca Grande, FL
This action establishes Class E Airspace at Boca Grande, FL, to accommodate a new Area Navigation (RNAV) Global Positioning System (GPS) special Standard Instrument Approach Procedure (SIAP) serving Boca Grande Heliport. This action enhances the safety and airspace management of Instrument Flight Rules (IFR) operations within the National Airspace System. Also, geographic coordinates are corrected under their proper heading.
Establishment of Class E Airspace; Captiva, FL
This action establishes Class E Airspace at Captiva, FL, to accommodate a new Area Navigation (RNAV) Global Positioning System (GPS) special Standard Instrument Approach Procedure (SIAP) serving Upper Captiva Island Heliport. This action enhances the safety and airspace management of Instrument Flight Rules (IFR) operations within the National Airspace System. Also, geographic coordinates are corrected under their proper heading.
Establishment of Class E Airspace; Pine Island, FL
This action establishes Class E Airspace at Pine Island, FL, to accommodate a new Area Navigation (RNAV) Global Positioning System (GPS) special Standard Instrument Approach Procedure (SIAP) serving Pine Island Heliport. This action enhances the safety and airspace management of Instrument Flight Rules (IFR) operations within the National Airspace System. Also, geographic coordinates are corrected under their proper heading.
Establishment of Class E Airspace; Immokalee-Big Cypress Airfield, FL
This action makes a correction to the title and airspace descriptor of a final rule published in the Federal Register of May 1, 2013. The title and airspace descriptor are corrected to read Immokalee-Big Cypress Airfield, FL.
Establishment of Class E Airspace; Linton, ND
This action establishes Class E airspace at Linton, ND. Controlled airspace is necessary to accommodate new Area Navigation (RNAV) Standard Instrument Approach Procedures at Linton Municipal Airport. The FAA is taking this action to enhance the safety and management of Instrument Flight Rule (IFR) operations at the airport.
Amendment of Class E Airspace; Atwood, KS
This action amends Class E airspace at Atwood, KS. Decommissioning of the Atwood non-directional radio beacon (NDB) at AtwoodRawlins CountyCity County Airport has made reconfiguration necessary for standard instrument approach procedures and for the safety and management of Instrument Flight Rule (IFR) operations at the airport. Geographic coordinates are also updated.
Amendment of Class E Airspace; La Pryor, Chaparrosa Ranch Airport, TX
This action amends Class E airspace at La Pryor, TX. Additional controlled airspace is necessary to accommodate new Area Navigation (RNAV) Standard Instrument Approach Procedures at Chaparrosa Ranch Airport. The airport's geographic coordinates are also adjusted. This action enhances the safety and management of Instrument Flight Rule (IFR) operations at the airport.
Proposed Modification of Class E Airspace; Brigham City, UT
This action proposes to modify Class E airspace at Brigham City Airport, Brigham City, UT. The proposed decommissioning of the Brigham City Nondirectional Radio Beacon (NDB) has made this action necessary for the safety and management of Instrument Flight Rules (IFR) operations at the airport. This action also would make an adjustment to the geographic coordinates of the airport.
Airworthiness Directives; Bell Helicopter Textron, Inc. Helicopters
We propose to adopt a new airworthiness directive (AD) for Bell Helicopter Textron, Inc. (Bell) Model 206A, 206B, 206L, 206L-1, 206L-3, 206L-4, and 407 helicopters with an Apical Industries, Inc. (Apical) emergency float kit installed under supplemental type certificate (STC) number SR01535LA. This proposed AD would require inspecting, labeling, and replacing the float inflation hoses. This proposed AD is prompted by an incident in which the floats installed on a helicopter failed to deploy. The proposed actions are intended to prevent failure of the emergency floatation gear to deploy during an emergency event.
Airworthiness Directives; Eurocopter France (Eurocopter) Helicopters
We propose to adopt a new airworthiness directive (AD) for Eurocopter Model SA-365N, SA-365N1, AS-365N2, AS 365 N3, EC 155B, EC155B1, AS332C, AS332L, AS332L1, AS332L2, and EC225LP helicopters with certain EADS Sogerma pilot and co-pilot seats installed. This proposed AD would require inspecting the rear beam of each seat to determine if all of the weld beads are present and replacing the seat if any weld bead is missing. This proposed AD is prompted by a maintenance inspection that discovered a missing weld bead on the rear beam of a pilot seat. The proposed actions are intended to prevent failure of the pilot and co-pilot seats and subsequent injury to the pilot or co- pilot.
Airworthiness Directives; Eurocopter France Helicopters
We propose to adopt a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model AS332C, AS332L, AS332L1, AS332L2, and EC225LP helicopters. This proposed AD would require inspecting the intermediate gearbox (IGB) fairing for a crack and inspecting the IGB fairing gutter (gutter), if installed, for a crack, separation, or interference. This proposed AD is prompted by reports of cracks, separation of the IGB fairing from the gutter and attachment supports, and subsequent interference with the tail rotor (TR) inclined drive shaft. The proposed actions are intended to detect a crack and prevent separation of the IGB fairing, which could result in interference with the TR inclined drive shaft and subsequent loss of control of the helicopter.
Airworthiness Directives; Agusta S.p.A. (Type Certificate Currently Held by AgustaWestland S.p.A.) Helicopters (Agusta)
We propose to adopt a new airworthiness directive (AD) for certain Agusta Model A109C, A109E, A109S, A109K2, and AW109SP helicopters. This proposed AD would require inspecting the lock wires securing the tail rotor (T/R) duplex bearing locking nut (locking nut) to determine whether any lock wires are missing or damaged. This proposed AD is prompted by reports of loosening T/R locking nuts, which if not corrected, could result in failure of the T/R and subsequent loss of control of the helicopter.
Proposed Establishment of Class E Airspace; Umatilla, FL
This action proposes to establish Class E Airspace at Umatilla, FL, to accommodate the Area Navigation (RNAV) Global Positioning System (GPS) Standard Instrument Approach Procedures at Umatilla Municipal Airport. This action would enhance the safety and airspace management of Instrument Flight Rules (IFR) operations at the airport.
Proposed Amendment of Class D and Class E Airspace; San Marcos, TX
This action proposes to amend Class D and Class E airspace at San Marcos, TX. Additional controlled airspace is necessary to accommodate new Standard Instrument Approach Procedures (SIAP) at San Marcos Municipal Airport and the decommissioning of the Garys Locator Outer Marker (LOM). The FAA is taking this action to enhance the safety and management of Instrument Flight Rules (IFR) operations for SIAPs at the airport. Adjustments to the geographic coordinates also would be made.
Airworthiness Directives; Embraer S.A. Airplanes
We are adopting a new airworthiness directive (AD) for certain Embraer S.A. Model ERJ 190 airplanes. This AD was prompted by reports of cracks on the side stay of the main landing gear (MLG). This AD requires repetitive measurements of the left-hand (LH) and right-hand (RH) MLG side stay support fitting to detect bushing migration, and eventual replacement of the bushing; and a detailed inspection for damage on the LH and RH MLG side stay support assembly, and related investigative and corrective actions if necessary. We are issuing this AD to prevent excessive bearing friction, which might compromise the MLG free fall extension and cause fatigue cracking on the MLG side stay and on its support assembly, resulting in reduced structural integrity of the MLG.
Airworthiness Directives; Bombardier, Inc. Airplanes
We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model BD-100-1A10 (Challenger 300) airplanes. This AD was prompted by reports of failure of a screw cap or end cap of the hydraulic system accumulator while on the ground, which resulted in loss of use of that hydraulic system and high-energy impact damage to adjacent systems and structures. This AD would require inspecting for the correct serial number of a certain hydraulic system accumulator, and replacing affected hydraulic system accumulators with new or serviceable accumulators. We are issuing this AD to prevent failure of a screw cap or end cap and loss of the related hydraulic system, which could result in damage to airplane structure and consequent reduced controllability of the airplane.
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