Department of Transportation September 21, 2011 – Federal Register Recent Federal Regulation Documents
Results 1 - 4 of 4
Airworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Model L-1011 Series Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Model L-1011 series airplanes. This proposed AD would require repetitive inspections for cracking of the wing rear spar and upper surface zones, and repair if necessary. This proposed AD results from a damage tolerance analysis conducted by the manufacturer indicating that fatigue cracking could occur in those areas. We are proposing this AD to detect and correct such fatigue cracking, which could result in cracking that grows large enough to reduce the wing strength below certificated requirements and possibly cause fracture of the rear spar, resulting in extensive damage to the wing and possible fuel leaks.
High Density Traffic Airports; Notice of Determination Regarding Low Demand Periods at Ronald Reagan Washington National Airport
This action announces an FAA determination that 6 a.m. to 6:59 a.m. no longer is a low demand period at Ronald Reagan Washington National Airport (DCA). As a result of this determination, the FAA will allocate available slots in that period on a temporary basis subject to recall, and the FAA may conduct a lottery in the future to allocate available slots in that period.
Notice of Applications for Modification of Special Permit
In accordance with the procedures governing the application for, and the processing of, special permits from the Department of Transportation's Hazardous Material Regulations (49 CFR part 107, Subpart B), notice is hereby given that the Office of Hazardous Materials Safety has received the applications described herein. This notice is abbreviated to expedite docketing and public notice. Because the sections affected, modes of transportation, and the nature of application have been shown in earlier Federal Register publications, they are not repeated here. Requests for modification of special permits (e.g. to provide for additional hazardous materials, packaging design changes, additional mode of transportation, etc.) are described in footnotes to the application number. Application numbers with the suffix ``M'' denote a modification request. These applications have been separated from the new application for special permits to facilitate processing.
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