Federal Aviation Administration 2016 – Federal Register Recent Federal Regulation Documents
Results 701 - 750 of 1,608
Airworthiness Directives; Airbus Airplanes
We are revising an earlier proposed airworthiness directive (AD) to supersede Airworthiness Directive (AD) 2010-04-03, for all Airbus Model A310 series airplanes. AD 2010-04-03 currently requires accomplishing repetitive detailed inspections for cracking around the fastener holes in certain wing top skin panels between the front and rear spars on the left- and right-hand sides of the fuselage, and repair if necessary. The NPRM proposed to continue to require the repetitive detailed inspections, and would also require supplemental repetitive ultrasonic inspections for cracking around the fastener holes in wing top skin panels 1 and 2 at rib 2, and repair if necessary. This action revises the NPRM by expanding the inspection area to include rib 3 due to widespread fatigue damage. We are proposing this supplemental NPRM (SNPRM) to detect and correct fatigue cracking around the fastener holes, which could result in reduced structural integrity of the airplane. Since these actions impose an additional burden over those proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.
Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments
This rule establishes, amends, suspends, or removes Standard Instrument Approach Procedures (SIAPs) and associated Takeoff Minimums and Obstacle Departure Procedures (ODPs) for operations at certain airports. These regulatory actions are needed because of the adoption of new or revised criteria, or because of changes occurring in the National Airspace System, such as the commissioning of new navigational facilities, adding new obstacles, or changing air traffic requirements. These changes are designed to provide safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.
Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments
This rule amends, suspends, or removes Standard Instrument Approach Procedures (SIAPs) and associated Takeoff Minimums and Obstacle Departure Procedures for operations at certain airports. These regulatory actions are needed because of the adoption of new or revised criteria, or because of changes occurring in the National Airspace System, such as the commissioning of new navigational facilities, adding new obstacles, or changing air traffic requirements. These changes are designed to provide for the safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.
Airworthiness Directives; The Boeing Company Airplanes
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-8 airplanes. This AD was prompted by reports of water leakage from the potable water system due to improperly installed waterline couplings, and water leaking into the electronics equipment (EE) bays from above the floor in the main cabin, resulting in water on the equipment in the EE bays. This AD requires replacing the potable waterline couplings above the forward and aft EE bays with new, improved couplings. This AD also requires sealing the main cabin floor areas above the aft EE bay, installing drip shields and foam blocks, and rerouting the wire bundles near the drip shields above the equipment in the aft EE bay. We are issuing this AD to prevent a water leak from an improperly installed potable water system coupling, or main cabin water source, which could cause the equipment in the EE bays to become wet, resulting in an electrical short and potential loss of system functions essential for safe flight.
Airworthiness Directives; Airbus Airplanes
We are adopting a new airworthiness directive (AD) for all Airbus Model A319, A320, and A321 series airplanes. This AD is intended to complete certain mandated programs intended to support the airplane reaching its limit of validity (LOV) of the engineering data that support the established structural maintenance program. This AD requires reinforcing the forward pressure bulkhead at a certain stringer on both the left-hand and right-hand sides, and doing related investigative and corrective actions if necessary. We are issuing this AD to prevent fatigue cracking of the forward pressure bulkhead, which could result in reduced structural integrity of the airplane.
Airworthiness Directives; The Boeing Company Airplanes
We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by reports of a manufacturing oversight, in which a supplier omitted the required protective finish on certain bushings installed in the rear spar upper chord on horizontal stabilizers, which could lead to galvanic corrosion and consequent cracking of the rear spar upper chord. This AD requires an inspection or records check to determine if affected horizontal stabilizers are installed, related investigative actions, and for affected horizontal stabilizers, repetitive inspections for any crack of the horizontal stabilizer rear spar upper chord, and corrective action if necessary. We are issuing this AD to detect and correct cracking of the rear spar upper chord, which can result in the failure of the upper chord and consequent departure of the horizontal stabilizer from the airplane, which can lead to loss of control of the airplane.
Airworthiness Directives; Airbus Airplanes
We are superseding Airworthiness Directive (AD) 2012-18-12 for certain Airbus Model A318, A319, and A320 series airplanes. AD 2012-18- 12 required modifying the off-wing escape slide (OWS) enclosures on the left-hand (LH) side and right-hand (RH) side of the fuselage. This new AD retains the requirements of AD 2012-18-12 and expands the applicability to all Airbus Model A318, A319, and A320 series airplanes. This AD was prompted by reports that additional OWS part numbers have been affected. We are issuing this AD to prevent off-wing exits on the LH and RH sides of the fuselage from becoming inoperative. During an emergency, inoperative off-wing exits could impair the safe evacuation of occupants, possibly resulting in personal injuries.
Airworthiness Directives; Pacific Aerospace Limited Airplanes
We are superseding Airworthiness Directive (AD) 2006-13-05 for certain Pacific Aerospace Limited Model 750XL (type certificate previously held by Pacific Aerospace Corporation Ltd.) 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 some critical rivets on the wing not being fully age-hardened and being installed in specific locations where reduction in rivet strength reduces wing strength. We are issuing this AD to require actions to address the unsafe condition on these products.
Airworthiness Directives; Beechcraft Corporation (Type Certificate Previously Held by Hawker Beechcraft Corporation; Raytheon Aircraft Company) Airplanes
We are adopting a new airworthiness directive (AD) for certain Beechcraft Corporation Model BAe.125 Series 1000A and 1000B airplanes and Model Hawker 1000 airplanes. This AD was prompted by reports of inadvertent stowage of the thrust reversers, which can result in high forward engine thrust even though the throttle is commanding reverse thrust. This AD requires installing kits that include relays, associated wiring, and a thrust reverser fail annunciator. We are issuing this AD to prevent inadvertent stowage of the thrust reversers, which could cause a runway overrun during a rejected takeoff or landing, and consequent structural failure and possible injury to occupants.
Airworthiness Directives; Airbus Airplanes
We are revising an earlier proposed airworthiness directive (AD) for all Airbus Model A300 B4-603, B4-620, B4-622, B4-605R, B4- 622R, F4-605R, F4-622R, and C4-605R variant F airplanes. The NPRM proposed to require repetitive detailed inspections of the lower frame fittings, related investigative actions, and corrective actions if necessary. The NPRM was prompted by reports of cracks in the frame base fittings connecting the frame lower positions to the center wing box. This action revises the NPRM by replacing the proposed requirements with new repetitive detailed inspections for cracking of the lower frame fittings of the frame foot, and replacement with a new frame foot if cracking is found. This action also provides optional terminating action for the repetitive inspections. We are proposing this supplemental NPRM (SNPRM) to detect and correct cracking of the lower frame fittings, which could result in reduced structural integrity of the airplane. Since these actions impose an additional burden over those proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.
Airworthiness Directives; The Boeing Company Airplanes
We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 767-200, and -300 series airplanes. This proposed AD was prompted by an evaluation by the design approval holder (DAH) indicating that the frame-to-floor-beam joints and frames common to shear ties at certain locations of fuselage structure are subject to widespread fatigue damage (WFD). This proposed AD would require repetitive inspections for cracking of the frame inner chords and webs common to the floor beam joint and at frames common to the shear ties at certain sections on the left and right fuselage sides, and corrective action if necessary. We are proposing this AD to detect and correct cracking of the frame inner chords and webs common to the floor beam joint and at frames common to the shear ties at certain sections on the left and right fuselage sides, which could result in reduced structural integrity of the airplane.
Airworthiness Directives; Airbus Airplanes
We propose to supersede Airworthiness Directive (AD) 2011-17- 05, for certain Airbus Model A300 B2-1C, A300 B2-203, A300 B2K-3C, A300-B4-103, A300 B4-203, and A300 B4-2C airplanes. AD 2011-17-05 currently requires repetitive inspections in sections 13 through 18 of the fuselage between rivets of the longitudinal lap joints between frames (FR) 18 and 80 for cracking, and repair or modification if necessary. Since we issued AD 2011-17-05, we have determined that a revised inspection program is necessary. This proposed AD would include a revised repetitive inspection program of all longitudinal lap joints and repairs between frames 18 and 80 to address this widespread fatigue damage (WFD). We are proposing this AD to detect and correct fatigue cracking of the longitudinal lap joints of the fuselage, which could result in reduced structural integrity of the airplane.
Airworthiness Directives; Airbus Airplanes
We propose to adopt a new airworthiness directive (AD) for all Airbus Model A330-200, -200 Freighter, and -300 series airplanes; and Model A340-200, -300, -500, and -600 series airplanes. This proposed AD was prompted by a determination that, due to significant differences among all airspeed sources, the flight controls will revert to alternate law, the autopilot (AP) and the auto-thrust (A/THR) will automatically disconnect, and the flight director (FD) bars will be automatically removed. Then, if two airspeed sources become similar while still erroneous, the flight guidance computers will display the FD bars again, and enable the re-engagement of the AP and A/THR. In some cases, however, the AP orders may be inappropriate, such as possible abrupt pitch command. This proposed AD would require a software standard upgrade (modification or replacement) of the three flight control primary computers (FCPCs). We are proposing this AD to prevent autopilot engagement under unreliable airspeed conditions, which could result in reduced controllability of the airplane.
Airworthiness Directives; Embraer S.A. Airplanes
We propose to adopt a new airworthiness directive (AD) for Embraer S.A. Models EMB-500 and EMB-505 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 incorrect installation of passenger seat attachment fittings. We are issuing this proposed AD to require actions to address the unsafe condition on these products.
Airworthiness Directives; Textron Aviation Inc. Airplanes
We are superseding Airworthiness Directive (AD) 2008-15-06 for certain Textron Aviation Inc. Models 175 and 175A airplanes (type certificate previously held by Cessna Aircraft Company). AD 2008-15-06 required checking the airplane logbook to determine if the original engine mounting brackets had been replaced. If the original engine mounting brackets were still installed, the AD required repetitively inspecting those brackets for cracks and replacing any cracked engine mounting bracket until all four original engine mounting brackets were replaced. Replacing all four original engine mounting brackets terminated the actions required in AD 2008-15-06. Since we issued AD 2008-15-06, we have determined that the applicability needs to be changed to add one serial number and remove another. This new AD retains the actions required in AD 2008-15-06 and changes the Applicability section. We are issuing this AD to correct the unsafe condition on these products.
Airworthiness Directives; REIMS AVIATION S.A. Airplanes
We propose to adopt a new airworthiness directive (AD) for certain REIMS AVIATION S.A. Model F406 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 cracks found in the horizontal stabilizer rear attach structure and the vertical fin rear spar attach structure. We are issuing this proposed AD to require actions to address the unsafe condition on these products.
First Meeting Special Committee 236 Standards for Wireless Avionics Intra-Communication System (WAIC) Within 4200-4400 MHz
The FAA is issuing this notice to advise the public of a meeting of First Meeting Special Committee 236, Standards for Wireless Avionics Intra-Communication System (WAIC) within 4200-4400 MHz.
Twenty-Eighth Meeting Special Committee 216 Aeronautical Systems Security
The FAA is issuing this notice to advise the public of a meeting of Twenty-Eighth Meeting Special Committee 216 Aeronautical Systems Security.
Nineteenth SC-223 Plenary Meeting Calling Notice, Internet Protocol Suit (IPS) and AeroMACS
The FAA is issuing this notice to advise the public of a meeting of Nineteenth SC-223 Plenary Meeting Calling Notice, Internet Protocol Suit (IPS) and AeroMACS.
Forty-Second Meeting Special Committee 224 Airport Security Access Control Systems
The FAA is issuing this notice to advise the public of a meeting of Forty-Second Meeting Special Committee 224 Airport Security Access Control Systems.
Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Flight Operational Quality Assurance (FOQA) Program
In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval to renew a previously approved information collection. Flight Operational Quality Assurance (FOQA) is a program for the routine collection and analysis of digital flight data from airline operations, including but not limited to digital flight data currently collected pursuant to existing regulatory provisions. The FAA requires certificate holders who voluntarily establish approved FOQA programs to periodically provide aggregate trend analysis information from such programs to the FAA.
Public Notice for Waiver of Aeronautical Land-Use Assurance
The Federal Aviation Administration (FAA) is considering a proposal to change a portion of airport land from aeronautical use to non-aeronautical use at the Rantoul National Aviation Center-Frank Elliott Field, Illinois. The proposal consists of a total of 6.892 acres. This notice announces that the FAA is considering the release of the subject airport property at Rantoul National Aviation Center-Frank Elliott Field, from all federal land covenants. Approval does not constitute a commitment by the FAA to financially assist in disposal of the subject airport property nor a determination that all measures covered by the program are eligible for grant-in-aid funding from the FAA. In accordance with section 47107(h) of Title 49, United States Code, this notice is required to be published in the Federal Register 30 days before modifying the land-use assurance that requires the property to be used for an aeronautical purpose.
Special Conditions: JAMCO America, Inc., Boeing Model 777-300ER, Dynamic Test Requirements for Single-Occupant Oblique (Side-Facing) Seats With Inflatable Restraints
This document corrects omissions in docket no. FAA-2015-8298, special conditions no. 25-611-SC, which was published in the Federal Register on March 16, 2016 (81 FR 13969). The special conditions in the published document are incomplete. This correction replaces the entire special conditions section from that which appeared in the original Federal Register publication.
Acceptance Criteria for Portable Oxygen Concentrators Used on Board Aircraft; Correction
This document corrects a final rule which replaces the existing process by which the Federal Aviation Administration (Agency or FAA) approves portable oxygen concentrators (POC) for use on board aircraft in air carrier operations, commercial operations, and certain other operations using large aircraft. The FAA currently assesses each POC make and model on a case-by-case basis and if the FAA determines that a particular POC is safe for use on board an aircraft, the FAA conducts rulemaking to identify the specific POC model in an FAA regulation. The final rule replaces the current process and allows passengers to use a POC on board an aircraft if the POC satisfies certain acceptance criteria and bears a label indicating conformance with the acceptance criteria. The labeling requirement only affects POCs intended for use on board aircraft that were not previously approved for use on aircraft by the FAA. Additionally, the rulemaking will eliminate redundant operational requirements and paperwork requirements related to the physician's statement. As a result, the rulemaking will reduce burdens for POC manufacturers, passengers who use POCs while traveling, and affected aircraft operators. The final rule also made conforming amendments to the Department of Transportation's (Department or DOT) rule implementing the Air Carrier Access Act (ACAA) to require carriers to accept all POC models that meet FAA acceptance criteria as detailed in this rule.
Notice of Request To Release Airport Property
The FAA proposes to rule and invites public comment on the release of land at Waterloo Regional Airport, Waterloo, Iowa, under the provisions of 49 U.S.C. 47107(h)(2).
Special Conditions: Kestrel Aircraft Company, Model K-350 Turboprop, Lithium Batteries
These special conditions are issued for the Kestrel Aircraft Company, Model K-350 Turboprop airplane. This airplane will have a novel or unusual design feature associated with the installation of a rechargeable lithium battery. 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.
Membership in the National Parks Overflights Advisory Group Aviation Rulemaking Committee
By Federal Register notice (See 81 FR 24686-24687, April 26, 2016) the National Park Service (NPS) and the Federal Aviation Administration (FAA) invited interested persons to apply to fill one current vacancy on the National Parks Overflights Advisory Group (NPOAG) Aviation Rulemaking Committee (ARC). The notice invited interested persons to apply to fill the opening to represent environmental concerns. This notice informs the public of the person selected to fill that current opening.
Revisions to the Civil Penalty Inflation Adjustment Tables
This interim final rule is the catch-up inflation adjustment to civil penalty amounts that may be imposed for violations of Federal Aviation Administration regulations, as required by the Federal Civil Penalties Inflation Adjustment Act Improvements Act of 2015.
Airworthiness Directives; Airbus Helicopters
We are publishing a new airworthiness directive (AD) for Airbus Helicopters Model AS332L2 and Model EC225LP helicopters, which was sent previously to all known U.S. owners and operators of these helicopters. This AD immediately prohibits flight of all Model AS332L2 and EC225LP helicopters. This AD is prompted by an accident involving an EC225LP helicopter in which the main rotor hub (MRH) detached from the main gearbox (MGB). These actions are intended to prevent failure of the main rotor system and subsequent loss of control of the helicopter.
Airworthiness Directives; Bombardier, Inc. Airplanes
We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-400 series airplanes. This AD requires an inspection to determine if certain left and right main landing gear (MLG) retract actuator rod ends are installed and repetitive liquid penetrant inspections (LPIs) of affected left and right MLG retract actuator rod ends, and corrective actions if necessary. This AD also provides optional terminating action for the inspections. This AD was prompted by a report of cracked MLG retract actuator rod ends. We are issuing this AD to detect and correct fatigue cracking of the left and right MLG retract actuator rod ends, which could lead to left or right MLG collapse.
Airworthiness Directives; Airbus Airplanes
We are adopting a new airworthiness directive (AD) for all Airbus Model A300 series airplanes; and Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes). This AD was prompted by a report of cracking of the lower tension bolt area at the rib one junction (both sides) of the lower wing. This AD requires repetitive inspections for cracking of the fasteners and of the fitting around the fastener holes at the frame (FR) 40 lower wing location, and corrective actions if necessary. We are issuing this AD to detect and correct crack initiation of the fittings of the FR40 lower wing locations, which could result in reduced structural integrity of the airplane.
Airworthiness Directives; The Boeing Company Airplanes
We are superseding Airworthiness Directive (AD) 2008-05-06 for certain The Boeing Company Model 737-100, -200, -300, -400, and -500 series airplanes. AD 2008-05-06 required repetitive inspections for fatigue cracking in the longitudinal floor beam web, upper chord, and lower chord located at certain body stations, and repair if necessary. This new AD requires, for certain airplanes, an inspection to determine if tapered fillers are installed, and related investigative and corrective actions if necessary. This AD was prompted by reports of cracks in the center wing box longitudinal floor beams, upper chord, and lower chord. We are issuing this AD to detect and correct fatigue cracking of the upper and lower chords and web of the longitudinal floor beams, which could result in rapid loss of cabin pressure.
Airworthiness Directives; The Boeing Company Airplanes
We are superseding Airworthiness Directive (AD) 2012-12-04, for certain The Boeing Company Model 737-300, -400, and -500 series airplanes. AD 2012-12-04 required repetitive external detailed inspections and nondestructive inspections to detect cracks in the fuselage skin along the chem-mill steps at stringers S-1 and S-2R, between station (STA) 400 and STA 460, and repair if necessary. This new AD requires a preventive modification of the fuselage skin at crown stringers S-1 and S-2R. This new AD also reduces the inspection threshold for certain airplanes. This AD was prompted by a determination that, for certain airplanes, the skin pockets adjacent to the Air Traffic Control (ATC) antenna are susceptible to widespread fatigue damage. We are issuing this AD to detect and correct fatigue cracking of the fuselage skin panels at the chem-mill steps, which could result in sudden fracture and failure of the fuselage skin panels, and consequent rapid decompression of the airplane.
Amendment of Class E Airspace for the Following Kansas Towns; Belleville, KS; Johnson, KS; Marysville, KS; Pittsburg, KS; and Washington, KS
This action modifies Class E airspace extending upward from 700 feet above the surface at Belleville Municipal Airport, Belleville, KS; Stanton County Municipal Airport, Johnson, KS; Marysville Municipal Airport, Marysville, KS; Atkinson Municipal Airport, Pittsburg, KS; and Washington County Veteran's Memorial Airport, Washington, KS. Decommissioning of non-directional radio beacons (NDBs), cancellation of NDB approaches, and implementation of area navigation (RNAV) procedures have made these actions necessary for the safety and management of Instrument Flight Rules (IFR) operations at the above airports. This action also updates the geographic coordinates at Marysville Municipal Airport, Marysville, KS; and Atkinson Municipal Airport, Pittsburg, KS; and the name of Washington County Veteran's Memorial Airport (formerly Washington County Memorial Airport) to coincide with the FAAs aeronautical database.
Proposed Amendment of Class E Airspace for the Following Illinois Towns; Carmi, IL; De Kalb, IL; Harrisburg, IL; Kewanee, IL; Litchfield, IL; Paris, IL; and Taylorville, IL
This action proposes to modify Class E airspace extending upward from 700 feet above the surface at Carmi Municipal Airport, Carmi, IL; De Kalb Taylor Municipal Airport, De Kalb, IL; Harrisburg- Raleigh Airport, Harrisburg, IL; Kewanne Municipal Airport, Kewanne, IL; Litchfield Municipal Airport, Litchfield, IL; Edgar County Airport, Paris, IL; and Taylorville Municipal Airport, Taylorville, IL. Decommissioning of non-directional radio beacons (NDB), cancellation of NDB approaches, and implementation of area navigation (RNAV) procedures have made this action necessary for the safety and management of Instrument Flight Rules (IFR) operations at the above airports. This action would also update the geographic coordinates of Carmi Municipal Airport, De Kalb Taylor Municipal Airport, Harrisburg-Raleigh Airport, Litchfield Municipal Airport, Edgar County Airport, and Taylorville Municipal Airport to coincide with the FAAs aeronautical database.
Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines
We are adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-710A1-10, -710A2-20, and -710C4-11 turbofan engines. This AD requires removing the pawl carrier pivot pins, part number (P/N) BRR17117, from service and replacing them with parts eligible for installation. This AD was prompted by a seized low-pressure turbine (LPT) fuel shut-off pawl carrier caused by corrosion of the pawl carrier pivot pin. We are issuing this AD to prevent failure of the fuel shut-off mechanism, which could result in uncontained part release, damage to the engine, and damage to the airplane.
Airworthiness Directives; Dassault Aviation Airplanes
We propose to adopt a new airworthiness directive (AD) for all Dassault Aviation Model FAN JET FALCON airplanes; Model FAN JET FALCON SERIES C, D, E, F, and G airplanes; Model MYSTERE-FALCON 200 airplanes; Model MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 airplanes; and MYSTERE-FALCON 50 airplanes. This proposed AD was prompted by a report that, during approach for landing, the main entry door detached from an airplane. This proposed AD would require a one-time functional test or check of the main entry door closure and warning system, and applicable door closing inspections, adjustments, and operational tests, and corrective actions if necessary. We are proposing this AD to detect and correct defective crew/passenger doors. Such a condition could result in the in-flight opening or detachment of the crew/passenger door, which could result in loss of control of the airplane and injury to persons on the ground.
Airworthiness Directives; Bombardier, Inc. Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701, & 702), CL-600-2D15 (Regional Jet Series 705), CL-600-2D24 (Regional Jet Series 900) airplanes, and CL-600-2E25 (Regional Jet Series 1000) airplanes. This proposed AD was prompted by a determination that wear and possible leakage of the high-pressure seal in the cylinder of the No. 3 hydraulic system reservoir could occur and prevent the system from reaching normal operating pressure. This proposed AD would require repetitive operational checks for wear and leakage of the high-pressure seal in the cylinder of the reservoir of the No. 3 hydraulic system, and corrective actions if necessary. We are proposing this AD to detect and correct a malfunctioning temperature indication of the No. 3 hydraulic system. High hydraulic fluid temperature combined with a temperature transducer malfunction could result in un-annunciated overheating of the hydraulic system and consequent ignition sources inside the fuel tank, which, combined with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane.
Proposed Amendment of Class E Airspace, Salem, OR
This action proposes to modify Class E airspace extending upward from 700 feet above the surface at McNary Field, Salem, OR. Two approaches, the Localizer (LOC) Y runway (RWY) 31 and the LOC/Distance Measuring Equipment (DME) Back Course (BC) approach RWY 13 were identified as needing additional airspace to meet airspace requirements. The FAA, also, found modification of the airspace for the LOC/DME BC RWY 13 posed an increased risk to the safety of Instrument Flight Rules (IFR) operations for Standard Instrument Approach Procedures (SIAPs) at the airport.
Proposed Amendment of Class E Airspace; Tekamah, NE
This action proposes to modify Class E airspace extending upward from 700 feet above the surface at Tekamah Municipal Airport, Tekamah, NE. Controlled airspace is necessary to accommodate standard instrument approach procedures (SIAP) at Tekamah Municipal Airport for the safety and management of Instrument Flight Rules (IFR) operations at airport.
Proposed Revocation of Class E Airspace; Farmington, MO; and Amendment of Class E Airspace for the following Missouri Towns; Ava, MO; Cameron, MO; Chillicothe, MO; Farmington, MO; and Festus, MO
This action proposes to remove Class E surface area airspace at Farmington Regional Airport, Farmington, MO; and modify Class E airspace extending upward from 700 feet above the surface at Bill Martin Memorial Airport, Ava, MO; Cameron Memorial Airport, Cameron, MO; Chillicothe Municipal Airport, Chillicothe, MO; Farmington Regional Airport, Farmington, MO; and Festus Memorial Airport, Festus, MO. Decommissioning of non-directional radio beacons (NDBs), cancellation of NDB approaches, and implementation of area navigation (RNAV) procedures have made this action necessary for the safety and management of Instrument Flight Rules (IFR) operations at the above airports.
Establishment of Class E Airspace, Shelton, WA
This action establishes Class E airspace extending upward from 700 feet above the surface at Sanderson Field Airport, Shelton, WA, to accommodate new Standard Instrument Approach Procedures developed for the airport. Controlled airspace is necessary for the safety and management of Instrument Flight Rules (IFR) operations at the airport.
Noise Compatibility Program Notice; San Antonio International Airport; San Antonio, Texas
The Federal Aviation Administration (FAA) announces its findings on the noise compatibility program submitted by San Antonio International Airport under the provisions of 49 U.S.C. (the Aviation Safety and Noise Abatement Act, hereinafter referred to as ``the Act'') and 14 CFR part 150. These findings are made in recognition of the description of Federal and nonfederal responsibilities in Senate Report No. 96-52 (1980). On December 29, 2014, the FAA determined that the noise exposure maps submitted by San Antonio International Airport under part 150 were in compliance with applicable requirements. On June 2, 2015, the FAA approved the San Antonio International Airport noise compatibility program. Both of the recommendations of the program were approved.
Operation and Certification of Small Unmanned Aircraft Systems
The FAA is amending its regulations to allow the operation of small unmanned aircraft systems in the National Airspace System. These changes address the operation of unmanned aircraft systems and certification of their remote pilots. This rule will also prohibit model aircraft from endangering the safety of the National Airspace System.
Airworthiness Directives; Airbus Helicopters
We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model AS 365 N3 helicopters. This AD requires inspecting the cabin and cockpit for labels, placards, or markings that provide jettison procedure instructions for cabin doors, removing any labels, placards, or markings that are in an incorrect location, and installing placards where they are missing. This AD is prompted by the determination that placards had not been installed according to specifications on newly manufactured helicopters. The actions are intended to provide exit procedures during an emergency.
Airworthiness Directives; Bombardier, Inc. Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-102, -103, and -106 airplanes, Model DHC-8-200 series airplanes, and Model DHC-8-300 series airplanes. This proposed AD was prompted by several occurrences of loss of airspeed data on both pilot and co-pilot air speed indicators due to the accumulation of ice on the pitot probes. An investigation revealed that the accumulation of ice was due to inoperative pitot probe heaters. This proposed AD would require replacing the existing circuit breakers in both the left and right side of the pitot heater system with circuit breakers that have higher trip points. We are proposing this AD to prevent circuit breakers from tripping and cutting power supply to the pitot probe heater, which could cause loss of airspeed data and result in the flightcrew not being able to control the airspeed of the airplane.
Airworthiness Directives; Airbus Airplanes
We are revising an earlier proposed airworthiness directive (AD) for all Airbus Model A318 and A319 series airplanes, A320-211, - 212, -214, -231, -232, and -233 airplanes, and A321 series airplanes. The NPRM proposed to require an inspection to identify the part number and serial number of the main landing gear (MLG) sliding tubes installed on the airplane; and inspection of affected chromium plates for damage; an inspection of affected sliding tube axles for damage; and replacement of the sliding tube if necessary. The NPRM was prompted by a report of a rupture of a MLG sliding tube axle. This action revises the NPRM by removing certain service information that does not adequately address the identified unsafe condition and revising the compliance method. We are proposing this supplemental NPRM (SNPRM) to detect and correct cracks in the axle and (partial) detachment of the axle and wheel from the sliding tube, which could result in failure of an MLG. Since these actions impose an additional burden over those proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.
Airworthiness Directives; Airbus Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Airbus Model A300 series airplanes; Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes); and Model A310 series airplanes. This proposed AD was prompted by a report indicating that during inspections to detect corrosion of the bulk cargo doors, several cracks were discovered. This proposed AD would require a general visual inspection of the bulk cargo door frame to identify any structural repairs, a detailed visual inspection of the frame at the repaired area for any cracking if necessary, and corrective actions if necessary. We are proposing this AD to detect and correct cracking of the bulk cargo doors; such cracking could result in rapid airplane decompression or possible loss of the bulk cargo door.
Airworthiness Directives; The Boeing Company Airplanes
We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 737-700 and -700C series airplanes. This proposed AD was prompted by a report that for airplanes with blended winglets, the nose-up pitch trim limit and associated warning for the horizontal stabilizer control system will allow take-off with incorrect trim settings. This proposed AD would require, depending on airplane configuration, replacing the pitch trim light plates on the flight deck control stand, relocating the position warning horn switches of the horizontal stabilizer, revising the software, removing the placard, and doing related investigative and corrective actions if necessary. We are proposing this AD to prevent take-off with incorrect settings of the horizontal stabilizer pitch trim system. Settings outside of the appropriate pitch trim limits could result in loss of controllability of the airplane during take-off.
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