Federal Aviation Administration September 15, 2006 – Federal Register Recent Federal Regulation Documents
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Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Model PC-7 airplanes. This proposed AD would require you to do repetitive eddy-current, non- destructive inspections of the nose skin and adjacent structure above the left and right main landing gear bay and repetitive visual inspections of the forward support structure of the floor panel for crack damage. If you find any crack damage, this proposed AD would require you to contact Pilatus to obtain a repair solution and incorporate the repair. This proposed AD results from mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Switzerland. We are proposing this AD to detect and correct cracks in the nose skin and adjacent structure above the left and right main landing gear bay and in the forward support structure of the floor panel. Crack propagation in certain areas could lead to failure of the main wing torsion box, which could result in loss of control.
Airworthiness Directives; EADS SOCATA Model TBM 700 Airplanes
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) issued by an airworthiness authority of another country to identify and correct an unsafe condition on an aviation product. The proposed AD would require actions that are intended to address an unsafe condition described in the MCAI.
Airworthiness Directives; Sikorsky Aircraft Corporation Model S-61L, N, R, and NM Helicopters
This document proposes adopting a new airworthiness directive (AD) for the specified Sikorsky Aircraft Corporation (Sikorsky) model helicopters. The AD would require, within a specified time, creating a component history card or equivalent record. The AD would also require recording the hours time-in-service (TIS) and the external lift cycles (lift cycles) for each main gearbox input left and right freewheel unit (IFWU) assembly. Also, the AD would require calculating a moving average of lift cycles per hour TIS at specified intervals on each IFWU assembly. The moving average would be used to determine if an IFWU assembly is used in repetitive external lift (REL) or non-REL helicopter operations. If an IFWU assembly is used in REL operations, this AD would require a repetitive inspection, which requires a visual and dimensional inspection of the IFWU assembly at specified intervals. This AD would also require recording certain information and replacing each part that is beyond the wear limits or that exhibits visual surface distress with an airworthy part. In addition, this AD would require permanently marking the REL IFWU camshafts and gear housings with the letters ``REL'' on the surface of these parts. This proposal is prompted by an accident in which the left and right IFWU assembly on a helicopter slipped or disengaged resulting in both engines overspeeding, engine shutdowns, and loss of engine power to the transmissions. The actions specified by the proposed AD are intended to prevent slipping in the IFWU assembly, loss of engine power to the transmissions, and subsequent loss of control of the helicopter.
Designation of Voluntary Disclosure Reporting Program (VDRP) Information as Protected From Public Disclosure
On August 17, 2006, the Federal Aviation Administration (FAA) issued FAA Order 8000.89, Designation of Voluntary Disclosure Reporting Program (VDRP) Information as Protected from Public Disclosure under 14 CFR Part 193. There is a regulatory requirement to print the order in its entirety in the Federal Register. The entire order follows after the subtitle, SUPPLEMENTARY INFORMATION.
Standard Instrument Approach Procedures, Weather Takeoff Minimums; Miscellaneous Amendments
This amendment establishes, amends, suspends, or revokes Standard Instrument Approach Procedures (SIAPs) and/or Weather Takeoff Minimums 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, addition of new obstacles, or changes in 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.
Commercial Space Transportation Advisory Committee-Open Meeting; Sunshine Act
Pursuant to Section 10(a)(2) of the Federal Advisory Committee Act (Pub. L. 92-463, 5 U.S.C. App. 2), notice is hereby given of a meeting of the Commercial Space Transportation Advisory Committee (COMSTAC). The meeting will take place on Wednesday, October 25, 2006, starting at 8 a.m. at the Federal Aviation Administration Headquarters Building, 800 Independence Avenue, SW., Washington, DC, in the Bessie Coleman Conference Center, located on the 2nd Floor. This will be the forty-fourth meeting of the COMSTAC. The proposed agenda for the meeting will feature information on recipients of the National Aeronautics and Space Administration's Commercial Orbital Transportation Services award; briefings on a study of the Commercial Space Launch Liability Risk-Sharing Regime and the environmental activities in FAA's Office of Commercial Space Transportation (AST); and an AST activities report. An agenda will be posted on the FAA Web site at https://ast.faa.gov/COMSTAC. Meetings of the COMSTAC Working Groups (Technology and Innovation, Reusable Launch Vehicle, Risk Management, and Launch Operations and Support) will be held on Tuesday, October 24, 2006. For specific information concerning the times and locations of the working group meetings, contact the Contact Person listed below. Individuals who plan to attend and need special assistance, such as sign language interpretation or other reasonable accommodations, should inform the Contact Person listed below in advance of the meeting.
Airworthiness Directives; B-N Group Ltd. BN-2, BN-2A, BN-2B, BN-2T, and BN-2T-4R Series (All Individual Models Included in Type A17EU Certificate Data Sheet (TCDS) A17E, Revision 16, Dated December 9, 2002) Airplanes
We propose to adopt a new airworthiness directive (AD) for all B-N Group Ltd. BN-2, BN-2A, BN-2B, BN-2T, and BN-2T-4R series (all individual models included in Type Certificate Data Sheet (TCDS) A17EU, Revision 16, dated December 9, 2002) airplanes. This proposed AD would require you to inspect the horizontal stabilizer attachment bolts and anchor nuts for damage and wear and replace damaged and/or worn parts with new, modified parts. If no damaged or worn parts are found during the proposed inspection, this proposed AD would require you to replace the horizontal stabilizer attachment bolts and anchor nuts at a specified time with new, modified parts. This proposed AD results from mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for the United Kingdom. We are proposing this AD to detect and correct damaged and/or worn horizontal stabilizer attachment bolts and anchor nuts, which would result in failure of the horizontal stabilizer. This failure could result in loss of control.
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