Federal Aviation Administration September 5, 2006 – Federal Register Recent Federal Regulation Documents
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Thermal/Acoustic Insulation Installed on Transport Category Airplanes
On December 30, 2005, the FAA published a final rule; request for comments (Amendment Nos. 91-290, 121-320, 125-50, and 135-103), on the requirements for thermal/acoustic insulation flammability (70 FR 77748). We sought public comments on those amendments, but they became effective on February 28, 2006. This action responds to the comments received on that final rule; request for comments.
Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Bombardier Model DHC-8-400 series airplanes. This proposed AD would require repetitive cleaning/inspecting of the drain hole of each pitot static probe and repetitive cleaning of the pitot lines in the pitot static system. This proposed AD results from reports of incidents of airspeed mismatch between the pilot, co-pilot, and standby airspeed indications caused by contamination in the pitot static system. We are proposing this AD to prevent erroneous/misleading altitude and airspeed information from a contaminated pitot static system to the flightcrew, which could reduce the ability of the flightcrew to maintain the safe flight and landing of the airplane.
Notice of Intent To Prepare an Environmental Impact Statement for the Southern Nevada Supplemental Airport, Clark County, NV, and To Conduct Public Scoping Meetings
The Federal Aviation Administration (FAA) and the Bureau of Land Management (BLM) are issuing this notice to the public that an Environmental Impact Statement (EIS) will be prepared to consider the construction and operation of a new supplemental commercial service airport in southern Nevada. In accordance with Public Law 106-362, titled: Ivanpah Valley Airport Public Lands Transfer Act, the FAA, representing the Department of Transportation (DOT), and the BLM, representing the Department of the Interior (DOI), will serve as joint lead Federal agencies for the preparation of this EIS. The Clark County Department of Aviation (CCDOA), the sponsor of the project, has proposed to construct and operate a new supplemental commercial service airport (the Ivanpah Valley Airport) 30 miles south of the Las Vegas metropolitan area in the Ivanpah Valley (the Proposed Action) in order to ensure sufficient commercial service capacity for the metropolitan area. CCDOA propose that the new supplemental commercial service airport would be operational by the year 2017, and would supplement existing capacity at McCarran International Airport (McCarran Airport). CCDOA's proposal to construct a supplemental airport requires approval by the FAA. Such Federal action is subject to the National Environmental Policy Act (NEPA) and requires preparation of an EIS, which will evaluate the environmental impacts of the proposed Ivanpah Valley Airport and other reasonable alternatives for meeting the aviation needs of southern Nevada. CCDOA has proposed to construct and operate a new supplemental commercial service airport in response to the need for supplemental commercial service to the Las Vegas metropolitan area. McCarran Airport, which is owned and operated by Clark County, is currently the primary commercial passenger and cargo airport that serves as a gateway to the Las Vegas metropolitan area and southern Nevada. The number of commercial service operations has increased substantially at McCarran Airport over the past decade, largely as a result of the rapid growth in tourism, convention business, and service industries associated with the gaming and entertainment industry in Las Vegas, as well as an increase in population. Forecasts predict continued growth in aircraft operations at rates significantly exceeding the national average. Although McCarran Airport will be able to accommodate passenger demand in the next few years with the planned expansion and development of new terminal facilities, parking lots, and roadways, FAA forecasts indicate that by the year 2015, activity at McCarran Airport will reach 706, 684 annual aircraft operations (takeoffs or landings), representing an approximate 15 percent increase over existing operations. Without additional airfield, roadway, and terminal capacity, this level of operations would result in unacceptable levels of congestion and delay. Therefore, additional airfield, roadway, and terminal facilities would be required to meet future operations and passenger demand in the region.
Revisions to Digital Flight Data Recorder Regulations for Boeing 737 Airplanes and for Part 125 Operators
The FAA is revising a previous proposal to increase the number of digital flight data recorder (DFDR) parameters required for all Boeing 737 series airplanes. Based on safety recommendations from the National Transportation Safety Board (NTSB) following the investigations of two accidents and other incidents involving 737s, the FAA proposed the addition of flight recorder equipment to monitor the rudder system on 737s. Since that time, the FAA has mandated significant changes to the rudder system on these airplanes. Accordingly, this new proposed rule would apply to a different set of airplanes than originally anticipated. We are requesting comment on this change in applicability and are requesting updated economic information regarding installation of the proposed monitoring equipment. The original proposed rule also sought to amend the flight data recorder (FDR) requirements of part 125 that would affect all airplanes operated under that part or under deviation from that part; we have included that same proposal in this SNPRM.
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