Federal Aviation Administration 2013 – Federal Register Recent Federal Regulation Documents
Results 451 - 500 of 1,699
Establishment of Class D Airspace; Bryant AAF, Anchorage, AK
This action corrects a final rule published in the Federal Register August 8, 2013 that establishes Class D airspace at Bryant Army Airfield (AAF), Anchorage, AK. In that rule, an error was made in the legal description for Bryant AAF, in that the language indicating Class D airspace as part time was left out.
Establishment of Class E Airspace; Battle Mountain, NV
This action establishes Class E airspace at the Battle Mountain VHF Omni-Directional Radio Range Tactical Air Navigational Aid (VORTAC) navigation aid, Battle Mountain, NV, to facilitate vectoring of Instrument Flight Rules (IFR) aircraft under control of Salt Lake City, Oakland and Los Angeles 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; Wasatch, UT
This action establishes Class E airspace at the Wasatch VHF Omni-Directional Radio Range Tactical Air Navigational Aid (VORTAC) navigation aid, Wasatch, UT, to facilitate vectoring of Instrument Flight Rules (IFR) aircraft under control of Salt Lake City Air Route Traffic Control Center (ARTCC). This improves the safety and management of IFR operations within the National Airspace System. This action also makes a minor adjustment to the geographic coordinates of the Wasatch VORTAC navigation aid.
Adoption of Statutory Prohibition on the Operation of Jets Weighing 75,000 Pounds or Less That Are Not Stage 3 Noise Compliant
On July 2, 2013, the FAA published a final rule (78 FR 39576) amending the airplane operating regulations to include certain provisions of the FAA Modernization and Reform Act of 2012 that affect jet airplanes with a maximum weight of 75,000 pounds or less operating in the United States. We solicited public comment on the final rule even though the FAA is not authorized to change the statutorily mandated prohibition. This action responds to the public comment the FAA received.
Establishment and Modification of Class E Airspace; Oakland, CA
This action establishes Class E airspace at Metropolitan Oakland International Airport, Oakland, CA, to accommodate aircraft using the Area Navigation (RNAV) Global Positioning System (GPS) standard instrument approach procedures at Metropolitan Oakland International Airport. This action also modifies Class E surface airspace designated as an extension to Class C airspace by removing the navigation aids from the airspace designation. This improves the safety and management of Instrument Flight Rules (IFR) operations at the airport.
Amendment of Class E Airspace; Everett, WA
This action modifies Class E airspace at Everett, WA, to accommodate aircraft departing and arriving under Instrument Flight Rules (IFR) at Snohomish County Airport (Paine Field), WA. This action, initiated by the biennial review of the Snohomish County airspace area, enhances the safety and management of Instrument Flight Rules (IFR) operations at the airport. This action also adjusts the geographic coordinates of the airport.
Airworthiness Directives; AgustaWestland S.p.A. Helicopters
We are adopting a new airworthiness directive (AD) for AgustaWestland S.p.A. (AgustaWestland) Model A119 and AW119 MKII helicopters to require inspecting the pilot and co-pilot doors to ensure that the windows are properly bonded within the doors. If the windows are not properly bonded, the AD requires applying bonding to the windows, the seals, and the window frames of the pilot and co-pilot doors. This AD was prompted by the loss of a pilot-door window during a test flight. The actions of this AD are intended to ensure the windows do not detach from the doors, potentially injuring persons on the ground and damaging the helicopter's tailboom and the tail rotor blades.
Airworthiness Directives; Airbus Airplanes
We are adopting a new airworthiness directive (AD) for certain Airbus Model A330-200, -200 Freighter, and -300 series airplanes. This AD was prompted by a report that a certain wire harness located in the tail cone has wiring of a narrower gauge than design requires. This AD requires replacing the affected wire harness. We are issuing this AD to prevent damage to the affected wiring, which could create an ignition source in an area that might contain fuel vapors, possibly resulting in an uncontrolled fire and subsequent loss of the airplane.
IFR Altitudes; Miscellaneous Amendments
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.
RTCA Program Management Committee; Meeting
The FAA is issuing this notice to advise the public of a meeting of RTCA Program Management Committee.
91st Meeting: RTCA Special Committee 159, Global Positioning Systems (GPS)
The FAA is issuing this notice to advise the public of the ninety-first meeting of the RTCA Special Committee 159, Global Positioning Systems (GPS)
Eighth Meeting: RTCA Special Committee 226, Audio Systems and Equipment
The FAA is issuing this notice to advise the public of the eighth meeting of the RTCA Special Committee 226, Audio Systems and Equipment.
Proposed Amendment of Class D Airspace; Dallas, Addison Airport, TX
A NPRM published in the Federal Register of September 6, 2013, to amend the Class D airspace ceiling at Addison Airport, Dallas, TX, is being withdrawn. Upon review, the FAA determined that the proposed rulemaking action is premature in that an existing Dallas/Fort Worth Class B airspace rulemaking action is pending.
Special Conditions: Eclipse, EA500, Certification of Autothrottle Functions
These special conditions are issued for the Eclipse EA500 airplane. This airplane as modified by Innovative Solutions and Support (IS&S) will have a novel or unusual design feature(s) associated with the autothrottle system (ATS). 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.
Proposed Establishment of Class D Airspace and Class E Airspace; Laguna AAF, AZ
This action proposes to establish Class D airspace and Class E airspace at Laguna Army Air Field (AAF), (Yuma Proving Ground), Yuma, AZ. The establishment of an air traffic control tower has made this action necessary for the safety and management of Instrument Flight Rules (IFR) aircraft within this airspace.
Notice of Passenger Facility Charge Approvals and Disapprovals
The FAA publishes a monthly notice, as appropriate, of PFC approvals and disapprovals under the provisions of the Aviation Safety and Capacity Expansion Act of 1990 (Title IX of the Omnibus Budget Reconciliation Act of 1990) (Pub. L. 101-508) and Part 158 of the Federal Aviation Regulations (14 CFR part 158). This notice is published pursuant to paragraph d of Sec. 158.29.
Order Limiting Operations at Newark Liberty International Airport
This action grants with conditions a limited waiver of the slot usage requirement for operating authorizations (slots) at Newark Liberty International Airport (EWR) due to construction at the airport during the summer 2014 scheduling season. This waiver applies only to EWR slots for the following days and local times: (1) March 30 through June 15 for 0600-2259 slots; (2) Mondays through Saturdays from June 16 through September 19 for 0600-0629 slots; (3) Sundays from June 22 through September 14 for 0600-0859 slots; and (4) September 20 through October 25 for 0600-2259 slots.
Notice of Submission Deadline for Schedule Information for O'Hare International Airport, San Francisco International Airport, John F. Kennedy International Airport, and Newark Liberty International Airport for the Summer 2014 Scheduling Season
Under this notice, the FAA announces the submission deadline of October 10, 2013, for summer 2014 flight schedules at Chicago's O'Hare International Airport (ORD), San Francisco International Airport (SFO), New York's John F. Kennedy International Airport (JFK), and Newark Liberty International Airport (EWR) in accordance with the International Air Transport Association (IATA) Worldwide Slot Guidelines. The deadline coincides with the schedule submission deadline for the IATA Slots Conference for the summer 2014 scheduling season.
Airworthiness Directives; The Boeing Company Airplanes
We propose to supersede airworthiness directive (AD) 2012-12- 08, which applies to certain The Boeing Company Model 777-200 and -300 series airplanes. AD 2012-12-08 requires an inspection for the part number of the fuse pin, and replacement of the pin if necessary. Since we issued AD 2012-12-08, we have determined that additional airplanes may be subject to the identified unsafe condition. This proposed AD would retain the actions required by AD 2012-12-08 and add airplanes to the applicability. We are proposing this AD to prevent structural damage to the side and drag brace lock assemblies, which could result in landing gear collapse during touchdown, rollout, or taxi.
Aviation Rulemaking Advisory Committee Meeting on Transport Airplane and Engine Issues
This notice announces a public meeting of the FAA's Aviation Rulemaking Advisory Committee (ARAC) Transport Airplane and Engine (TAE) Subcommittee to discuss TAE issues.
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.
Airworthiness Directives; Honeywell ASCa Inc. Emergency Locator Transmitters Installed on Various Transport Category Airplanes
We are adopting a new airworthiness directive (AD) for certain Honeywell ASCa Inc. emergency locator transmitters (ELTs) installed on various transport category airplanes. This AD requires various one-time general visual inspections of the ELT transmitter units (TUs), and corrective actions if necessary. This AD was prompted by a fire on a parked and unoccupied airplane; preliminary information indicated combustion in the area of the ELT TU. We are issuing this AD to detect and correct discrepancies of the battery wiring installation inside the TU, which could result in an electrical short and possible ignition source.
Airworthiness Directives; Diamond Aircraft Industries Airplanes
We propose to adopt a new airworthiness directive (AD) for Diamond Aircraft Industries Model DA 40 and DA 40 F Airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as fatigue strength found in the aft main spar does not ensure unlimited lifetime structural integrity. We are issuing this proposed AD to require actions to address the unsafe condition on these products.
Waiver of Requirement To Enter Into a Reciprocal Waiver of Claims Agreement With All Customers for Orbital Sciences Corporation
This notice concerns a petition for waiver submitted to the Federal Aviation Administration (FAA) by Orbital Sciences Corporation (Orbital) to waive in part the requirement that a launch operator enter into a reciprocal waiver of claims with each customer. The FAA grants the petition.
Notice of Passenger Facility Charge (PFC) Approvals and Disapprovals
The FAA publishes a monthly notice, as appropriate, of PFC approvals and disapprovals under the provisions of the Aviation Safety and Capacity Expansion Act of 1990 (Title IX of the Omnibus Budget Reconciliation Act of 1990) (Pub. L. 101-508) and Part 158 of the Federal Aviation Regulations (14 CFR Part 158). This notice is published pursuant to paragraph d of Sec. 158.29.
Notice of Passenger Facility Charge (PFC) Approvals and Disapprovals
The FAA publishes a monthly notice, as appropriate, of PFC approvals and disapprovals under the provisions of the Aviation Safety and Capacity Expansion Act of 1990 (Title IX of the Omnibus Budget Reconciliation Act of 1990) (Pub. L. 101-508) and Part 158 of the Federal Aviation Regulations (14 CFR part 158). This notice is published pursuant to paragraph d of Sec. 158.29.
Notice of Passenger Facility Charge (PFC) Approvals and Disapprovals
The FAA publishes a monthly notice, as appropriate, of PFC approvals and disapprovals under the provisions of the Aviation Safety and Capacity Expansion Act of 1990 (Title IX of the Omnibus Budget Reconciliation Act of 1990) (Pub. L. 101-508) and Part 158 of the Federal Aviation Regulations (14 CFR Part 158). This notice is published pursuant to paragraph d of Sec. 158.29.
Notice of Passenger Facility Charge (PFC) Approvals and Disapprovals
The FAA publishes a monthly notice, as appropriate, of PFC approvals and disapprovals under the provisions of the Aviation Safety and Capacity Expansion Act of 1990 (Title IX of the Omnibus Budget Reconciliation Act of 1990) (Pub. L. 101-508) and Part 158 of the Federal Aviation Regulations (14 CFR Part 158). This notice is published pursuant to paragraph d of Sec. 158.29.
Notice of Passenger Facility Charge (PFC) Approvals and Disapprovals
The FAA publishes a monthly notice, as appropriate, of PFC approvals and disapprovals under the provisions of the Aviation Safety and Capacity Expansion Act of 1990 (Title IX of the Omnibus Budget Reconciliation Act of 1990) (Pub. L. 101-508) and Part 158 of the Federal Aviation Regulations (14 CFR part 158). This notice is published pursuant to paragraph d of Sec. 158.29.
Notice of Passenger Facility Charge (PFC) Approvals and Disapprovals
The FAA publishes a monthly notice, as appropriate, of PFC approvals and disapprovals under the provisions of the Aviation Safety and Capacity Expansion Act of 1990 (Title IX of the Omnibus Budget Reconciliation Act of 1990) (Pub. L.101-508) and Part 158 of the Federal Aviation Regulations (14 CFR part 158). This notice is published pursuant to paragraph d of Sec. 158.29.
Airworthiness Directives; the Boeing Company Airplanes
We are 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 reports of cracked and corroded nuts on an outboard flap support rib. This AD requires, for certain airplanes, repetitive inspections of the cap seal for damaged sealant on nuts common to certain outboard flap support ribs, and related investigative and corrective actions if necessary. For certain other airplanes, this AD also requires repetitive inspections of the cap seal for damaged sealant on nuts common to certain outboard flap support ribs, related investigative and corrective actions if necessary, and if necessary, a detailed inspection to determine the nut type installed in the outboard flap support rib and corrective actions. This AD also provides terminating action for the repetitive inspections under certain conditions. We are issuing this AD to detect and correct cracked and corroded nuts and bolts and the installation of incorrect nuts on certain outboard flap support ribs, which could lead to additional nut and bolt damage in the joint, result in loss of an outboard flap, and adversely affect continued safe flight and landing of the airplane.
Airworthiness Directives; The Boeing Company Airplanes
We are superseding airworthiness directive (AD) 2010-20-08, which applied to certain The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, and 747SR series airplanes. AD 2010-20-08 required repetitive inspections to find cracking of the web, strap, inner chords, inner chord angle of the forward edge frame of the number 5 main entry door cutouts; the frame segment between stringers 16 and 31; repair if necessary; and repetitive inspections for cracking of repairs. This new AD expands the previous fuselage areas that are inspected for cracking. This AD was prompted by multiple reports of cracking outside of the previous inspection areas and a report of a crack that initiated at the aft edge of the inner chord rather than initiating at a fastener location. We are issuing this AD to detect and correct such cracks, which could cause damage to the adjacent body structure and could result in depressurization of the airplane in flight.
Airworthiness Directives; Eurocopter France Helicopters
We are adopting a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model AS350 and AS355 helicopters, to require inspecting for a crack in the control lever attachment yokes, and if needed, replacing the tail rotor gearbox (TGB). This AD is prompted by improper casting of TGB casing assemblies, which may lead to cracking. A crack in the control lever attachment yokes could cause a loss of tail rotor pitch control, and consequently, loss of control of the helicopter.
Certified Flight Instructor Flight Reviews; Recent Pilot in Command Experience; Airmen Online Services
This rule permits an airman who passes a practical test for issuance of a flight instructor certificate, a practical test for the addition of a rating to a flight instructor certificate, a practical test for renewal of a flight instructor certificate, or a practical test for the reinstatement of a flight instructor certificate to meet the 24-calendar month flight review requirements. This rule also clarifies that the generally applicable recent flight experience requirements do not apply to a pilot in command who is employed by a commuter or on-demand operator if the pilot in command is in compliance with the specific pilot in command qualifications and recent experience requirements for that commuter or on-demand operator. Finally, this rule permits replacement airman and medical certificates to be requested online, or by any other method acceptable to the Administrator. These changes relieve regulatory burdens and clarify existing regulations.
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.
Airworthiness Directives; Continental Motors, Inc. Reciprocating Engines With Superior Air Parts, Inc. (SAP) Cylinder Assemblies Installed
We propose to supersede an existing airworthiness directive (AD) that applies to certain Continental Motors, Inc. (CMI) IO-520, TSIO-520, and IO-550 series reciprocating engines, with certain replacement parts manufacturer approval (PMA) SAP investment cast cylinder assemblies installed. The existing AD currently requires initial and repetitive inspections and compression tests to detect cracks in those cylinders. Since we issued that AD, we became aware of additional engines that need to be added to the applicability. We are proposing this AD to prevent the separation of the cylinder head, damage to the engine, 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.
Airworthiness Directives; General Electric Company Turbofan Engines
We are adopting a new airworthiness directive (AD) for certain General Electric Company (GE) GE90-76B, -85B, -90B, -94B, -110B1, and - 115B turbofan engines. This AD was prompted by multiple reports of distress of certain stage 1 high-pressure turbine (HPT) stator shrouds due to accelerated corrosion and oxidation, including one engine in- flight shutdown (IFSD) caused by failure of the HPT stator shrouds. This AD requires initial and repetitive on-wing 360-degree borescope inspections (BSIs) for corrosion and oxidation of stage 1 HPT stator shrouds. If a shroud is found to be distressed, this AD requires reinspection at a reduced interval or removal from service before further flight. We are issuing this AD to prevent failure of stage 1 HPT stator shrouds, resulting in an IFSD of one or more engines, loss of thrust control, and damage to the airplane.
Airworthiness Directives; PIAGGIO AERO INDUSTRIES S.p.A Airplanes
We are adopting a new airworthiness directive (AD) for all PIAGGIO AERO INDUSTRIES S.p.A Model P-180 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as cracks at the joint between the hinge pin sub-assembly and the lock pin of the main landing gear lever hinge fitting. We are issuing this AD to require actions to address the unsafe condition on these products.
Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell) Helicopters
We are superseding revised Airworthiness Directive (AD) 76-12- 07 for all Bell Model 204B and certain serial-numbered Model 205A-1 helicopters with a certain tail rotor pitch control chain (chain) installed. AD 76-12-07 required visually inspecting the chain to detect a crack in the link segments and, for affected Model 205A-1 helicopters, replacing the chain and cable control system with a push- pull control system. This new AD requires, for Bell Model 204B, inspecting certain chains at specified intervals, revising the inspection procedures, installing a tail rotor cable and chain damper kit (damper kit), and revising the maintenance manual or Instructions for Continued Airworthiness (ICAs) to include the inspection intervals. This new AD also requires, for certain Bell Model 205A-1 helicopters, replacing the chain and cable control system with an airworthy tail rotor push-pull control system kit. This AD was prompted by the rapid growth of a crack leading to premature chain failure. The actions are intended to prevent failure of the chain, loss of tail rotor blade pitch control, and subsequent loss of control of the helicopter.
Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters
We are adopting a new airworthiness directive (AD) for Eurocopter Deutschland GmbH (ECD) Model EC135P1, EC135P2, EC135P2+, EC135T1, EC135T2, and EC135T2+ helicopters with certain fire extinguishing systems installed. This AD requires modifying the fire extinguishing system injection tubes. This AD is prompted by a report that the injection tubes are deforming due to heat. The actions required by this AD are intended to prevent deformation of the fire extinguishing system injection tubes during a fire, which could result in impaired distribution of the fire extinguishing agent, failure of the fire extinguishing system to contain an engine fire, and subsequent loss of control of the helicopter.
Airworthiness Directives; Eurocopter France Helicopters
We are adopting a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model EC 155B, EC155B1, SA-365N, SA- 365N1, AS-365N2, AS 365 N3, and SA-366G1 helicopters. This AD requires inspecting the collective pitch lever for correct locking and unlocking conditions. This AD was prompted by two separate reports of inadvertent collective pitch lever locking and unlocking. The actions of this AD are intended to detect an incorrectly adjusted collective pitch lever, which could result in loss of control of the helicopter.
Airworthiness Directives; Fokker Services B.V. Airplanes
We are adopting a new airworthiness directive (AD) for all Fokker Services B.V. Model F.27 Mark 050 airplanes, and Model F.28 Mark 0070 and 0100 airplanes. This AD was prompted by reports of loose nuts on contactors in the electrical power center (EPC), and in some cases, burned contactors. This AD requires inspecting and, if necessary, adjusting, the torque values of nuts on circuit breakers, contactors, and terminal blocks of the EPC and battery relay panel. This AD also requires inspecting to determine if certain parts are installed, and installing the parts if necessary. We are issuing this AD to detect and correct loose nuts, which could result in arcing and potentially an onboard fire, possibly resulting in damage to the airplane and injury to occupants or maintenance personnel.
Airworthiness Directives; The Boeing Company Airplanes
The FAA withdraws a notice of proposed rulemaking (NPRM) that proposed to rescind airworthiness directive (AD) 2008-06-03, which applies to certain The Boeing Company Model 737-600, -700, -700C, -800 and -900 series airplanes; and Model 757-200, -200PF, -200CB, and -300 series airplanes. The NPRM would have rescinded AD 2008-06-03, which requires an inspection to determine if certain motor-operated shutoff valve actuators for the fuel tanks are installed, and related investigative and corrective actions if necessary. AD 2008-06-03 also requires revising the Airworthiness Limitations (AWLs) section of the Instructions for Continued Airworthiness to incorporate certain AWLs. Since the NPRM was issued, we have determined that it does not adequately address the safety concerns. Accordingly, the NPRM is withdrawn.
Airworthiness Directives; Piper Aircraft, Inc. Airplanes
The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. AD 2013-13-01 applies to certain Piper Aircraft, Inc. Models PA-46-310P, PA-46-350P, PA-46R-350T, and PA-46-500TP airplanes. There is an incorrect reference to a paragraph designation, four instances of an incorrect reference to the paragraph in the service bulletin that references an airworthiness limitation, and an incomplete email address for the person to contact in the Related Information section. This document corrects those errors. In all other respects, the original document remains the same.
Rules of Practice for Federally-Assisted Airport Enforcement Proceedings (Retrospective Regulatory Review)
This action updates, simplifies, and streamlines rules of practice and procedure for filing and adjudicating complaints against federally-assisted airports. It improves efficiency by enabling parties to file submissions with the Federal Aviation Administration (FAA) electronically, and by incorporating modern business practices into how the FAA handles complaints. This amendment is necessary to reflect changes in applicable laws and regulations, and to apply lessons learned since the existing rules were implemented in 1996.
Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters
We are adopting a new airworthiness directive (AD) for Bell Model 206A, 206B, 206L, 206L-1, 206L-3, 206L-4, 222, 222B, 222U, 230, 407, 427, and 430 helicopters. This AD requires inspecting each bearing to determine if it has been properly staked and replacing the bearing or assembly if it has not been properly staked. This AD was prompted by bearings not being properly staked and migrating out of their proper position, which may limit the functionality of the affected part. The actions of this AD are intended to prevent failure of a bearing and the assembly in which it is installed and subsequent loss of control of the helicopter.
Airworthiness Directives; the Boeing Company Airplanes
We propose to adopt a new airworthiness directive (AD) for certain the Boeing Company Model DC-9-10, DC-9-30, and DC-9-40 series airplanes. This proposed AD was prompted by an evaluation by the design approval holder (DAH) indicating that the aft pressure bulkhead web area is subject to widespread fatigue damage (WFD). This proposed AD would require modifying the aft pressure bulkhead. The modification includes inspecting for cracks around the rivet holes, and repair of any cracking. We are proposing this AD to prevent fatigue cracking of the aft pressure bulkhead, which could result in reduced structural integrity of the airplane.
Airworthiness Directives; Bombardier, Inc. Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model BD-700-1A10 airplanes. This proposed AD was prompted by a report that the manufacturer has determined that some completion centers used the heater/brake monitoring unit (HBMU) logic circuit to control the line voltage of the drain mast heaters. Since the drain mast heaters are connected in parallel with the number 2 pitot static (PS) probe heater circuit, a number 2 PS probe heater failure may not be detected by the fault monitoring capabilities of the HBMU. This proposed AD would require a modification of the air data probes and sensors. We are proposing this AD to detect and correct an unannunciated failure of two PS probe heaters, which could affect controllability of the airplane in icing conditions.
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