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118 AC Advisory Circular AGL Above ground level ALP Airport layout plan CATEX Categorical exclusion CFR Code of Federal Regulations DA Decision altitude DER Departure end of the runway DH Decision height DDOF Daily Digital Obstacle File DOF Digital Obstacle File EA Environmental assessment EIS Environmental impact statement FAR Part 77 14 Code of Regulations, Part 77: Safe, Efficient Use and Preservation of the Navigable Airspace GA General aviation GIS Geographic information system GPS Global positioning system IAF Initial approach fix IAP Instrument approach procedure IFP Instrument flight procedure ICAO International Civil Aviation Organization IF Intermediate fix IFR Instrument flight rules ILS Instrument landing system JO Joint Order (FAA) LiDAR Light detection and ranging LNAV Lateral navigation LPV Localizer performance with vertical guidance LOB Line of Business MAP Missed approach point MDA Minimum descent altitude MTOW Maximum takeoff weight NAS National Airspace System NAVAIDS Navigational aid NCTCOG North Central Texas Council of Governments NEPA National Environmental Policy Act NextGen Next Generation Air Transportation System NGS National Geodetic Survey Acronyms, Abbreviations, and Initialisms
Acronyms, Abbreviations, and Initialisms 119 NSRS National Spatial Reference System OAP Obstacle action plan OCS Obstacle clearance surface OE/AAA Obstruction Evaluation/Airport Airspace Analysis OEG Obstruction Evaluation Group OEI One engine inoperative OIS Obstacle identification surface PACS Primary airport control station PAPI Precision approach path indicator PIR Precision instrument runway RNP Required navigation performance RVR Runway visual range SACS Secondary airport control station SAV Surface Analysis and Visualization SE Site elevation SOP Standard operating procedure SPHS Specially prepared hard surface TCH Threshold crossing height TDR Transfer of development rights TDZE Touchdown zone elevation TERPS Terminal instrument procedures TSS Threshold siting surface UAS Unmanned aircraft systems VDP Visual descent point VFR Visual flight rule VGS Vertical guidance surface VGSI Visual glide slope indicator
Abbreviations and acronyms used without definitions in TRB publications: A4A Airlines for America AAAE American Association of Airport Executives AASHO American Association of State Highway Officials AASHTO American Association of State Highway and Transportation Officials ACIâNA Airports Council InternationalâNorth America ACRP Airport Cooperative Research Program ADA Americans with Disabilities Act APTA American Public Transportation Association ASCE American Society of Civil Engineers ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials ATA American Trucking Associations CTAA Community Transportation Association of America CTBSSP Commercial Truck and Bus Safety Synthesis Program DHS Department of Homeland Security DOE Department of Energy EPA Environmental Protection Agency FAA Federal Aviation Administration FAST Fixing Americaâs Surface Transportation Act (2015) FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FRA Federal Railroad Administration FTA Federal Transit Administration HMCRP Hazardous Materials Cooperative Research Program IEEE Institute of Electrical and Electronics Engineers ISTEA Intermodal Surface Transportation Efficiency Act of 1991 ITE Institute of Transportation Engineers MAP-21 Moving Ahead for Progress in the 21st Century Act (2012) NASA National Aeronautics and Space Administration NASAO National Association of State Aviation Officials NCFRP National Cooperative Freight Research Program NCHRP National Cooperative Highway Research Program NHTSA National Highway Traffic Safety Administration NTSB National Transportation Safety Board PHMSA Pipeline and Hazardous Materials Safety Administration RITA Research and Innovative Technology Administration SAE Society of Automotive Engineers SAFETEA-LU Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005) TCRP Transit Cooperative Research Program TDC Transit Development Corporation TEA-21 Transportation Equity Act for the 21st Century (1998) TRB Transportation Research Board TSA Transportation Security Administration U.S. DOT United States Department of Transportation
TRA N SPO RTATIO N RESEA RCH BO A RD 500 Fifth Street, N W W ashington, D C 20001 A D D RESS SERV ICE REQ U ESTED N O N -PR O FIT O R G . U .S. PO STA G E PA ID C O LU M B IA , M D PER M IT N O . 88 ISBN 978-0-309-48013-0 9 7 8 0 3 0 9 4 8 0 1 3 0 9 0 0 0 0 Best Practices for A irport O bstruction M anagem ent G uidebook A CRP Research Report 195 TRB
