List of Acronyms and Abbreviations The acronyms and abbreviations listed below are used in this Manual, Guidelines and Specifications for Flood Hazard Mapping Partners, and in other guidance documents produced by the Department of Homeland Security’s Federal Emergency Management Agency (FEMA). These acronyms and abbreviations also will be encountered in the completion of activities as part of the Flood Hazard Mapping Program. A AML ARC Macro Language AAER Average Annual Erosion Rate ACSM American Congress of Surveying and Mapping ANI Area Not Included AO (FEMA) Assistance Officer APA American Planning Association APWA American Public Works Association ASC Area of Special Consideration ASCE American Society of Civil Engineers ASCII American Standard Code for Information Interchange ASFPM Association of State Floodplain Managers ASPRS American Society of Photogrammetry and Remote Sensing ASWM Association of State Wetland Managers AT Area Triangulation B BERD Blocked Erosion Rate Database BFE Base Flood Elevation BIL Band Interleaved by Line (Format) BM Bench Mark BuRec U.S. Bureau of Reclamation C CAC Community Assistance Call CAD Computer-Assisted Drafting CAV Community Assistance Visits CADD Computer-Assisted Drafting and Design CAP Community Assistance Program CBRA Coastal Barrier Resources Act (of 1982) CBRS Coastal Barrier Resources System CCO Consultation Coordination Officer CD-ROM Compact Disk Read-Only Memory CEO Chief Executive Officer (Community) CERC Coastal Engineering Research Center (U.S. Army) CFR Code of Federal Regulations CID Community Identification (Number) CIS Community Information System (database) CLOMA Conditional Letter of Map Amendment CLOMR Conditional Letter of Map Revision CLOMR-F Conditional Letter of Map Revision Based on Fill CMA Community Map Action (Form) CMAS Circular Map Accuracy Standard CMR Community Map Repository CO Contracting Officer CORS Continuously Operating Reference Stations CRS Community Rating System CSO Coastal States Organization CSIS Credited Structures Inventory System CTP Cooperating Technical Partners (Program) D DBMS Database Management System DEM Digital Elevation Model DFIRM Digital Flood Insurance Rate Map DFO Disaster Field Office DGPS Differential Global Positioning System DHS Department of Homeland Security DLG Digital Line Graph DLG-3 Digital Line Graph Level 3 DOI U.S. Department of the Interior DOQ Digital Orthophoto Quadrangle DOQQ Digital Orthophoto Quarter Quadrangle DTM Digital Terrain Model DU Dune (Line) E EDR External Data Request EMI Emergency Management Institute EO Exterior Orientation (Parameter) EPA U.S. Environmental Protection Agency ERM Elevation Reference Mark ERP Elevation Reference Point ESDP Engineering Study Data Package ESDPF Engineering Study Data Package Facility ESF Emergency Support Function EST Emergency Support Team ET End-of-Transect (Line) ETJ Extraterritorial Jurisdiction (limits) F FAAT Fully Analytical Aerial Triangulation FBFM Flood Boundary and Floodway Map FBN Federal Base Network FCSA Fee-Charge System Administrator FEDD Flood Elevation Determination Docket FEMA Federal Emergency Management Agency FGCC Federal Geodetic Coordinating Committee FGDC Federal Geographic Data Committee FHAR Flood Hazard Analyses Report FHBM Flood Hazard Boundary Map FHM Flood Hazard Mapping (FEMA Web site) FIPS Federal Information and Processing Standards (Code) FIRM Flood Insurance Rate Map FIRM-DLG Flood Insurance Rate Map-Digital Line Graph FIS Flood Insurance Study FMS Floodplain Management Section (FEMA Headquarters) FOIA Freedom of Information Act FPI Floodplain Information Report FTP File Transfer Protocol FY Fiscal Year G GeoTIFF Georeferenced Tagged Image File Format GIS Geographic Information System GLWRM (FEMA) Great Lakes Wave Runup Model GPO U.S. Government Printing Office GPS Global Positioning System H HEC Hydrologic Engineering Center (U.S. Army Corps of Engineers) H&H Hydrologic and Hydraulic (analyses) HMGP Hazard Mitigation Grant Program HQ Headquarters (FEMA) HSLD Historic Shoreline Location Database HSPCD Historic Shoreline Positional Change Database HWL High Water Line I IDIQ Indefinite Delivery Indefinite Quantity Contractor ILGD85 International Great Lakes Datum of 1985 IMU Inertial Measurement Unit INS Inertial Navigation System L LAG Lowest Adjacent Grade LAN Local Area Network LFD Letter of Final Determination LFFE Lowest Finished Flood Elevation LIDAR LIght Detection and Ranging (System) LIDEF Levee Inventory Data Entry Form LMMP Limited Map Maintenance Program Project Revision LODR Letter of Determination Review LOMA Letter of Map Amendment LOMC Letter of Map Change LOMC-VALID Letter of Map Change Revalidation (Letter) LOMR Letter of Map Revision LOMR-F Letter of Map Revision Based on Fill M MAS Mapping Activity Statement MCC Flood Map Production Coordination Contractor MFP Minimally Floodprone MHWL Mean High Water Line MICS Monitoring Information on Contracted Studies (System) MIP Mapping Information Platform MIS Management Information System MitDiv Mitigation Division MNAP Mapping Needs Assessment Process MNUSS Map Needs Update Support System MOA Memorandum of Agreement mph Miles per Hour MSC Map Service Center (FEMA) N NACO National Association of Counties NAD27 North American Datum of 1927 NAD83 North American Datum of 1983 NADO National Association of Development Organizations NAFSMA National Association of Flood and Stormwater Management Agencies NAHB National Association of Home Builders NAR National Association of Realtors NAVD88 North American Vertical Datum of 1988 NAS National Academy of Sciences NASA National Aeronautic and Space Administration NCSSA National Cartographic Standards for Spatial Accuracy NCP Network Control Point NDEP National Digital Elevation Program NDOP National Digital Orthophoto Program NEMA National Emergency Management Association NFDA National Flood Determination Association NFIF National Flood Insurance Fund NFIP National Flood Insurance Program NFIRA National Flood Insurance Reform Act of 1994 NFP Non-Floodprone NGVD29 National Geodetic Vertical Datum of 1929 NGRS National Geodetic Reference System NGS National Geodetic Survey NLIC National Lenders Insurance Council NMAS National Map Accuracy Standard NOAA National Oceanic and Atmospheric Administration NOS National Ocean Survey NP Navigation Processor NRC National Research Council NRCS Natural Resources Conservation Service NSP National Service Provider NSRS National Spatial Reference System NSSDA National Standard for Spatial Data Accuracy NWS National Weather Service O OF Over-water Fetch (Line) OGC Office of General Counsel OPA Otherwise Protected Area P PA Partnership Agreement (CTP) Project Administration (MOD team group) PAL Provisionally Accredited Levee pdf Portable Document Format PDF Probability Density Function PDOP Position Dilution of Precision PE Professional Engineer PID Permanent Identifier PLSS U.S. Public Land Survey System PMR Physical Map Revision PO Project Officer (FEMA HQ) Q QA Quality Assurance QC Quality Control QA/QC Quality Assurance/Quality Control R RFIS Flood Insurance Restudy RLS Registered Land Surveyor RMM River Mile Marker RMS Root Mean Square RMSE Root Mean Square Error RO Regional Office (FEMA) ROC Regional Operations Center (FEMA) RPO Regional Project Officer (FEMA RO) RXDS Existing Data Restudy S SAC Secondary Airport Control SC Study Contractor SCRR Special Conversion Recommendation Report SDTS Spatial Data Transfer System SFHA Special Flood Hazard Area SIF Standard Interchange Format SOMA Summary of Map Actions SOS Status of Studies SOW Statement of Work SPR Special Problem Report SWEL Stillwater Flood Elevation SWFL Stillwater Flood Level T TBM Temporary Bench Mark TCS (Standard Flood Hazard) Tracking and Correspondence System TIGER Topologically Integrated Geographic Encoding and Reference (System) TIN Triangulated Irregular Network TSDN Technical Support Data Notebook TVA Tennessee Valley Authority U USACE U.S. Army Corps of Engineers USFWS U.S. Fish and Wildlife Service USGS U.S. Geological Survey USGS-DLG U.S. Geological Survey Digital Line Graph (Format) UTM Universal Transverse Mercator V VAX Virtual Address Extension VE Rigid Vegetation Line VMAS Vertical Map Accuracy Standard VMS Virtual Memory System VPF Vector Product Format W WAN Wide Area Network WHAFIS Wave Height Analyses for Flood Insurance Studies (computer program) WIS Wave Information Study WORM Write Once Read Many (CD-ROM Drive) WSEL Water-Surface Elevation X XDS Existing Data Study