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74 AED: Automated external defibrillator. Airplane Design Group (ADG): FAA roman numeral aircraft classification based on wingspan and tail heights. Airport Authority: An independent governmental public organization responsible for the operation and oversight of an airport or group of airports under its jurisdiction. Airside: The secured area of the terminal located post-security containing aircraft gates, hold- rooms, concessions, aircraft apron maneuvering areas, etc. Americans with Disabilities Act (ADA): Civil rights act requiring access throughout buildings and their surroundings for people with disabilities. Not a building code. Various code authori- ties such as the International Code Council (ICC) and American National Standards Institute (ANSI) provide enforcement. Attic Stock: Additional materials or equipment parts specified to be provided to the owner by the contractor at the completion of a project. Stored for future replacement or repairs. Typically includes long lead-time items and materials with finishes and colors that could be discontinued in the future. Concourse: Primarily the secure area (airside) of the airport used by travelers, containing air- craft gates, holdrooms, concessions, restrooms, circulation, and other passenger services and functions to support aircraft operations. Deplaning Passenger: A terminating or connecting passenger exiting an arriving aircraft. Design Demand: The number of passengers expected to use the facility. Double-Loaded Concourse: Aircraft parking positions located on both sides of a concourse. Enplaning Passenger: A passenger boarding a departing aircraft. Equivalent Aircraft (EQA): A metric used to normalize the capacity of a gate based on the seat- ing capacity of the aircraft that can be accommodated at the gate: 1 EQA is equivalent to 145 seats or that of a typical narrowbody aircraft. Family Room: A restroom with one fixture and sink for use by people traveling with a companion(s) with special needs such as children, caregiver, etc. Also for use by transgender individuals. Other names include companion care, unisex, special needs, and family care. FIDS: Flight information display system. Fixture: A toilet or urinal within a restroom. A P P E N D I X J Glossary
Glossary 75 Gate: The physical space containing the passenger holdroom and associated aircraft apron parking position. Ground Transportation Center (GTC): A centrally located facility which provides commercial passenger pick-up and drop-off. Hub: An airport that has a high level of connecting flight activity. Landside: The non-secure area of the terminal located pre-security, containing passenger pro- cessing functions such as check-in, security screening, baggage claim, concessions, ground access connections, and other functions located outside the secured area of the terminal. Load Factor (LF): A measure of an aircraftâs capacity utilization expressed as a percentage of total seats. Meeter & Greeter (M&G): Visitors associated with arriving (deplaning) passengers. Module: A restroom set containing both menâs and womenâs toilet locations and associated family/companion care facilities, janitorial closets, chase space, and other passenger amenities such as drinking fountains, FIDS, etc. MUFIDS: Multi-user flight information display system. Origin and Destination (O&D) Passenger: Passengers starting or ending their journey at a particular airport. Peak-Hour Arriving Passenger Demand: The number of deplaning passengers in a given rolling hour of the design day. Peak-Hour Departing Passenger Demand: The number of enplaning passengers in a given rolling hour of the design day. Short-Haul Domestic Flights: Domestic flights associated with routes which typically last less than 1.5 hours in duration. Single-Loaded Concourse: Aircraft parking positions located on one side of a concourse. Total Peak-Hour Passenger Demand: The number of enplaned and deplaned passengers in a given rolling hour of the design day. Well-Wisher (WW): Visitors associated with departing (enplaning) passengers. Wingtip: The outer most edge or tip of an aircraft wing.
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 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 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
