**GAO-10-748SP**                      Published: Sep 13, 2010. Publicly Released: Sep 21, 2010.                  

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## Highlights

This is an E-supplement to GAO-10-50. This document presents the results of GAO's survey of airport officials. The purpose of the survey was to determine the nature and scope of airports' environmental actions and challenges associated with airport operations and development. GAO developed the Web-based questionnaire and administered the survey to airport officials from the 150 busiest U.S. airports based on the number of operations reported in the Federal Aviation Administration's (FAA's) 2008 Air Carrier Activity Information System database. GAO received responses from 141 airports, resulting in a 94 percent response rate. These airports include all 35 of the busiest U.S. commercial airports that FAA has identified as requiring expansion and new airfield infrastructure to accommodate projected future air traffic demand, known as Operational Evolution Partnership (OEP) airports. Airport responses are organized by question, with a separate breakout for the 63 large and medium hub airports, the largest commercial airports in the United States. Responses to check-all-that-apply questions can result in underreporting of individual actions. As a result of rounding rules, some of the tables may not add to 100% and some may add to over 100%. Responses to open-ended questions have been analyzed but are not shown. A more detailed discussion of our scope and methodology, and the complete list of airports that responded to our survey are contained in our report, "Aviation and the Environment: Systematically Addressing Environmental Impacts and Community Concerns Can Help Airports Reduce Project Delays," GAO-10-50 (Washington, D.C.: September 2010). We administered the survey from March 2009 to June 2009 in accordance with generally accepted government auditing standards.

## Supplemental Material

### Background

This document presents the results of GAO's survey of airport officials. The purpose of the survey was to determine the nature and scope of airports' environmental actions and challenges associated with airport operations and development. GAO developed the Web-based questionnaire and administered the survey to airport officials from the 150 busiest U.S. airports based on the number of operations reported in the Federal Aviation Administration's (FAA's) 2008 Air Carrier Activity Information System database. GAO received responses from 141 airports, resulting in a 94 percent response rate. These airports include all 35 of the busiest U.S. commercial airports that FAA has identified as requiring expansion and new airfield infrastructure to accommodate projected future air traffic demand, known as Operational Evolution Partnership (OEP) airports. Airport responses are organized by question, with a separate breakout for the 63 large and medium hub airports, the largest commercial airports in the United States. Responses to check-all-that-apply questions can result in underreporting of individual actions. As a result of rounding rules, some of the tables may not add to 100% and some may add to over 100%. Responses to open-ended questions have been analyzed but are not shown. A more detailed discussion of our scope and methodology, and the complete list of airports that responded to our survey are contained in our report, "Aviation and the Environment: Systematically Addressing Environmental Impacts and Community Concerns Can Help Airports Reduce Project Delays," GAO-10-50 (Washington, D.C.: September 2010). We administered the survey from March 2009 to June 2009 in accordance with generally accepted government auditing standards.

**How to View the Responses for Each Question**

To view the responses to each question, click on the question number

After viewing the responses to each question, click on the "x" in the upper right corner of your screen to close that window and return to the questionnaire.

### Contents

Table of Contents

(540214)

### Copyright

This is a work of the U.S. government and is not subject to copyright protection in the United States. The published product may be reproduced and distributed in its entirety without further permission from GAO. However, because this work may contain copyrighted images or other material, permission from the copyright holder may be necessary if you wish to reproduce this material separately.

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## Topics

Natural Resources and Environment

Air pollution controlAircraftAirline regulationAirlinesAirportsCommercial aviationEnvironmental impact statementsEnvironmental monitoringEnvironmental protectionNoise pollution controlStandardsStrategic planningWater pollution controlStakeholder consultations