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OCR for page 56
For Greener Skies: Reducing Environmental Impacts of Aviation B Acronyms and Abbreviations AIP Airport Improvement Program ASEB Aeronautics and Space Engineering Board CO carbon monoxide CO2 carbon dioxide dB decibel DNL day-night average sound level DoD Department of Defense EPA Environmental Protection Agency EPN dB effective perceived noise level in decibels FAA Federal Aviation Administration FARs Federal Aviation Regulations HSCT high speed civil transport HSR High Speed Research (program) ICAO International Civil Aviation Organization IMC instrument meteorological conditions INM Integrated Noise Model IPCC Intergovernmental Panel on Climate Change MAGENTA Model for Assessing the Global Exposure to the Noise of Transport Aircraft MTOW maximum takeoff weight NAE National Academy of Engineering NAS National Academy of Sciences NASA National Aeronautics and Space Administration NOx oxides of nitrogen NRC National Research Council PFC Passenger Facility Charge (program) QAT Quiet Aircraft Technology (program) SOx oxides of sulfur TRL technology readiness level UV ultraviolet
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