In a marked change in longtime Federal Aviation Administration (“FAA”) policy regarding analysis of noise and air quality impacts from FAA initiated, directed or funded projects, FAA has substituted a single new model for the long mandated Integrated Noise Model (“INM”) and Emissions and Dispersion Modeling System (“EDMS”).  Beginning May 29, 2015, FAA policy “requires” the use of the Aviation Environmental Design Tool version 2b (“AEDT 2b”), which integrates analysis of aircraft noise, air pollutant emissions, and fuel burn.  These impacts, according to FAA are “interdependent and occur simultaneously throughout all phases of flight.”  80 Fed.Reg. 27853.  

 
The FAA policy provides for differential displacement of existing analytic models.  For air traffic and airspace procedural changes, AEDT 2b replaces AEDT 2a, already in use.  For other, ground based projects, AEDT 2b replaces both the INM, for analyzing aircraft noise, and EDMS for developing emissions inventories and modeling emissions dispersion.  The change was presaged by FAA Administrator Michael Huerta who announced in April that FAA was undertaking an “ambitious project” to revamp its approach to measuring noise.  The “ambitious project” was apparently inspired by the vocal objections to the results of the analysis using current methodologies, voiced by citizens of locals that have experienced the effects of FAA’s current, nationwide reorganization of airspace around major airports to institute procedures based on Performance Based Navigation (“PBN”).  
 


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On August 19, 2014, the Federal Aviation Administration (“FAA”) published a proposed rule regarding “Implementation of Legislative Categorical Exclusion for Environmental Review of Performance Based Navigation  Procedures,” 79 Fed.Reg. 49141 (“CATEX Rule”) to implement the Congressional mandate contained in the FAA Modernization and Reform Act of 2012, Pub.L. 112-95 (“FRMA”), § 213, directing FAA “to issue and file a categorical exclusion for any navigation performance or other performance based  navigation (PBN) procedure that would result in measureable reductions in fuel consumption, carbon  dioxide emissions, and noise on a per flight basis as compared to aircraft operations that follow existing instrument flight rule procedures in the same airspace.”  79 Fed.Reg. 41941.

FAA was motivated to request public review of the CATEX Rule by the exceptions in FMRA that limits the change in the environmental review requirements to: (1) PBN procedures (excluding conventional operational procedures and projects involving a mix of both), FMRA § 213(c)(2); and (2) those in which there are measurable reductions in fuel consumption, carbon dioxide emissions and noise on a per flight basis, Id., see also, 79 Fed.Reg. 49142, citing FMRA § 213(c)(1).  In addition, FAA feels it necessary to further explore the consequent recommendations of the industry group appointed to develop a metric to capture the new requirement, the NextGen Advisory Committee (“NAC”), made up of 28 members from the “airlines, airports, manufacturers, aviation associations, consultants, and community interests.”  Id.
 


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Inspired by Congressional intervention, the Federal Aviation Administration (“FAA”) has begun the process of revising and reorganizing FAA Order 1050.1E, “Environmental Impact: Policies and Procedures” in a new Order, 1050.1F (by the same name).  78 Fed.Reg. 49596-49600 (August 14, 2013).  That in itself would not be particularly notable, except for the importance of the changes that are being made, and their significance for both airport operators and the communities around airports that are the direct recipients of both the disbenefit of the environmental impacts of airport projects, and the potential benefit of the adequate environmental review of those impacts.

The most important of the potential revisions to Order 1050.1E involves FAA’s relief from the burdens of environmental review granted by Congress in the FAA Modernization and Reform Act of 2012, H.R. 658 (112th) (“FMRA”).  Specifically, two legislatively created categorical exclusions are added in 1050.1F, paragraphs 5-6.5q and 5-6.5r, Exemption from NEPA Review which basically give a free pass to changes to air traffic procedures throughout the country.
 


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In a monument to political deal making, the United States Congress is today considering, in the House and Senate Aviation Committees, the "FAA Modernization and Reform Act of 2012," H.R. 658 ("Act") to, among other things, "authorize appropriations to the Federal Aviation Administration for fiscal years 2011-2014 . . ." It is, however, the other provisions of the legislation which most profoundly affect the public.   

Purportedly to "streamline programs, create efficiencies, reduce waste and improve safety and capacity," the most recent version of the Act to emerge from the House-Senate Conference Committee exempts all new area navigation ("RNAV") and required navigation performance ("RNP") procedures, which collectively comprise the "Next Generation Air Transportation System" ("NextGen"), Act § 201, Definitions, from environmental review under the National Environmental Policy Act, 42 U.S.C. § 4321, et seq. ("NEPA"). 

The Act, generally, mandates that all "navigation performance and area navigation procedures developed, certified, published or implemented under this section [Section 213] shall be presumed to be covered by a categorical exclusion (as defined in § 1508.4 of Title 40, C.F.R.) under Chapter 3 of FAA Order 1050.1E, unless the Administrator determines that extraordinary circumstances exist with respect to the procedure." Act, § 213(c)(1).   

The Act expands on this mandate in § (c)(2). "NEXTGEN PROCEDURES – Any navigation performance or other performance based navigation procedure developed, certified, published or implemented that, in the determination of the Administrator, would result in measurable reductions in fuel consumption, carbon dioxide emissions, and noise, on a per flight basis, as compared to aircraft operations that follow existing instrument flight rule procedures in the same airspace, shall be presumed to have no significant effect on the quality of the human environment and the Administrator shall issue and file a categorical exclusion for the new procedure."


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