Federal Aviation Administration September 15, 2015 – Federal Register Recent Federal Regulation Documents

Special Conditions: Bombardier Aerospace Inc. Model BD-500-1A10 and BD-500-1A11 Airplanes; Flight-Envelope Protection, High Incidence Protection Function
Document Number: 2015-23101
Type: Rule
Date: 2015-09-15
Agency: Federal Aviation Administration, Department of Transportation
These special conditions are issued for the Bombardier Aerospace Inc. Model BD-500-1A10 and -A11 airplanes. These airplanes will have a novel or unusual design feature when compared to the state of technology and design envisioned in the airworthiness standards for transport-category airplanes. This design feature is a high incidence protection system that limits the angle of attack at which the airplane can be flown during normal low-speed operation. 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.
Special Conditions: Gulfstream Aerospace Corporation Model GVII-G500 Airplanes; Limit Engine Torque Loads
Document Number: 2015-23100
Type: Rule
Date: 2015-09-15
Agency: Federal Aviation Administration, Department of Transportation
These special conditions are issued for the Gulfstream Model GVII-G500 airplane. These airplanes have a novel or unusual design feature as compared to the state of technology envisioned in the airworthiness standards for transport category airplanes. This design feature includes engine size and the potential torque loads imposed by sudden engine stoppage. 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.
Special Conditions: Dassault Aviation Model Falcon 5X Airplane, Pilot-Compartment View Through Hydrophobic Windshield Coatings in Lieu of Windshield Wipers
Document Number: 2015-23099
Type: Rule
Date: 2015-09-15
Agency: Federal Aviation Administration, Department of Transportation
These special conditions are issued for the Dassault Model Falcon 5X airplane. This airplane will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport-category airplanes. This design feature is hydrophobic windshield coatings in lieu of windshield wipers. 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 Revocation and Establishment of Class E Airspace; Bowman, ND
Document Number: 2015-22972
Type: Proposed Rule
Date: 2015-09-15
Agency: Federal Aviation Administration, Department of Transportation
This action proposes to establish Class E airspace at Bowman, ND. Controlled airspace is necessary to accommodate new Standard Instrument Approach Procedures at Bowman Regional Airport, for the safety and management of Instrument Flight Rules (IFR) operations. Class E airspace would be removed at Bowman Municipal Airport, Bowman, ND, due to closure of the air traffic control tower.
Airworthiness Directives; The Boeing Company Airplanes
Document Number: 2015-22926
Type: Proposed Rule
Date: 2015-09-15
Agency: Federal Aviation Administration, Department of Transportation
We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 747-400F series airplanes. This proposed AD was prompted by an analysis of the production methods used to increase fatigue resistance of the upper closure fittings at the nose cargo door portal's C-3 frame, which indicated that cracking could start too early to be caught in a timely manner by the inspection or maintenance program. This proposed AD would require inspections of the upper closure fitting and connected strap and doubler at the nose cargo door portal for cracking, and related investigative and corrective actions if necessary. We are proposing this AD to detect and correct such cracking, which could result in sudden decompression and loss of the airplane's structural integrity.
Airworthiness Directives; Airbus Airplanes
Document Number: 2015-22924
Type: Rule
Date: 2015-09-15
Agency: Federal Aviation Administration, Department of Transportation
We are superseding Airworthiness Directive (AD) 97-07-14, for certain Airbus Model A320-111, -211, and -231 airplanes. AD 97-07-14 required modification of an area on the front spar of the wing center section by installing shims and new fasteners to reinforce pressure floor fittings. This new AD continues to require modifying the rib flange on the front spar of the wing center section by installing shims and new fasteners to reinforce pressure floor fittings; and requires repetitive high frequency eddy current inspections for cracking of the radius of the rib flanges and vertical stiffener at frame 36, a rototest inspection for cracking of the fastener holes of the rib flanges, repair if needed, and adding additional airplanes to the applicability. This AD was prompted by the need for repetitive inspections on airplanes on which the modification of the rib flange on the front spar of the wing center section has been done. We are issuing this AD to prevent fatigue cracking on the rib flange area of the front spar of the wing center section, which can reduce the structural integrity of fuselage frame 36 and the wing center section.
Airworthiness Directives; CFM International S.A. Turbofan Engines
Document Number: 2015-22598
Type: Rule
Date: 2015-09-15
Agency: Federal Aviation Administration, Department of Transportation
We are adopting a new airworthiness directive (AD) for certain CFM International S.A. (CFM) CFM56-7B and CFM56-3 turbofan engines. This AD was prompted by a report of an uncommanded in-flight shutdown (IFSD) on a CFM CFM56-7B engine following rupture of the 73-tooth gearshaft located in the engine accessory gearbox (AGB). This AD requires AGB/transfer gearbox (TGB) magnetic chip detector (MCD) inspection of the affected gearshafts until removal. We are issuing this AD to prevent failure of certain engine AGB gearshafts, which could lead to failure of one or more engines, loss of thrust control, and damage to the airplane.
Airworthiness Directives; Rolls-Royce plc Turbofan Engines
Document Number: 2015-21458
Type: Rule
Date: 2015-09-15
Agency: Federal Aviation Administration, Department of Transportation
We are adopting a new airworthiness directive (AD) for all Rolls-Royce plc (RR) RB211 Trent 768-60, 772-60, and 772B-60 turbofan engines. This AD was prompted by fuel leaks caused by damage to the fan case low-pressure (LP) fuel tube. This AD requires inspection of the fan case LP fuel tubes and associated clips and the fuel oil heat exchanger (FOHE) mounts and associated hardware. We are issuing this AD to prevent failure of the fan case LP fuel tube, which could lead to an in-flight engine shutdown, loss of thrust control, and damage to the airplane.
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