You are here


E Code: External Cause of Injury Code (NHTSA7)

E&H: Elderly and Handicapped (TRB1)

E&O: Errors and Omissions (FTA5)

E-MSAW: En Route Automated Minimum Safe Altitude Warning (FAA20)

E85: A gasoline-ethanol mixture that may contain anywhere from 51 to 85 percent ethanol. Because fuel ethanol is denatured with approximately 2 to 3 percent gasoline, E85 is typically no more than 83 percent ethanol. (BTS12)

E911: Enhanced 9-1-1 (NHTSA7)

EA: Enterprise Architecture (FAA20)

EA: Environmental Assessment (FAA20)

EA: Engineering Analysis (NHTSA7)

EA/FONSI: Environmental Assessment/Finding of No Significant Impact (FHWA18)

EAJA: Equal Access to Justice Act (FHWA18)

EAL: Equivalent Axle Load(ing) (FHWA19)

EAP: Employee Assistance Program (FHWA18)

EARS: En Route Analysis and Reporting System (FAA20)

Earth Surface: The outermost surface of the land and waters of the planet. (DOI4)

EARTS: En Route Automated Radar Tracking System (FAA4) (FAA19)

EAS: Equivalent Airspeed (14CFR1)

EASA: European Aviation Safety Agency (FAA20)

EAT: External Air Transport (MTMC1)

EBC: Event Based Currency (FAA20)

EBL: Electronic Bill of Lading (or placarding) (FHWA19)

EBUS: Enhanced Backup Surveillance (FAA20)

EC: Engineering Center (FAA20)

ECAC: European Civil Aviation Conference (FAA1)

ECDIS: Electronic Chart Display Information System (USCG5)

ECG: En Route Communications Gateway (FAA20)

ECH: Movement Echelon (MTMC1)

ECL: Electronic Cost Losses (NHTSA7)

ECOM: En Route Communications (FAA20)

Economies of Scale: Cost reductions or productivity efficiencies achieved through size-optimization in relation to operational circumstances. For example, commodity freight rates usually decline as the volume of cargo tonnage shipped increases. (MARAD1)

Economy: Transport service established for the carriage of passengers at fares and quality of service below that of coach service. (BTS5)

ECOSOC: Committee of Experts On the Transport of Dangerous Goods of the United Nations Economic and Social Council (RSPA1)

ECP: Electronically Controlled Pneumatic (Braking) (FRA5)

ECPC: Economic Classification Policy Committee (BTS8)

eCPIC: Electronic Capital Planning Investment Control (FAA20)

ECS: Emergency Communications System (FHWA18)

ECS: Electronic Chart System (SLSDC2)

ECU: Electronic Control Unit (for air bags) (NHTSA7)

ECVFP: Expanded Charted Visual Flight Procedures (FAA20)

ED: Emergency Department (NHTSA7)

ED: Effective Diameter (TII1)

EDA: Economic Development Administration (FHWA18)

EDC: Early Display Configuration (FAA20)

EDC: En Route Departure Capability (FAA20)

EDC: Enterprise Data Center (FAA20)

EDC: Every Day Counts (FHWA19)

EDCT: Estimated Departure Control Time (FAA20)

EDCT: Expedite Departure Path (FAA20)

EDCT: Estimated Departure Clearance Time (FAA4) (FAA8)

EDD: Explosives Detection Devices (FAA1)

EDDA: Environmental Due Diligence Audit (FAA20)

Eddy: A current running contrary to the main current, causing water turbulence, e.g., below the bridge pier where a swift current is passing through, or below a bar or point. (TNDOT1)

Eddy Above and Below: Channel report term meaning that eddies should be expected both above and below the object mentioned in the marks, such as dikes, top and bottom of crossings, sunken obstructions, etc.; tricky water. (TNDOT1)

Eddy Extends Way Out: Term meaning that an eddy extends from the shore or the dike into or across the range formed by this set of marks, or extends one-third or more across the river. (TNDOT1)

Eddy Makes Out from Right (Left) Shore: Term indicating that one should watch for eddy along the shore designated in this set of marks. (TNDOT1)

EDI: Electronic Data Interchange (BTS10)

EDMS: Electronic Document Management Systems (FAA20)

EDMS: Emissions and Dispersion Modeling System (FAA20)

EDP: Expedite Departure Path (FAA17)

EDR: Electronic Data Recorder or Event Data Recorder (NHTSA7)

EDS: Enterprise Database System (FAA20)

EDS: Electronic Data Sharing (FHWA19)

EDSs: Explosives Detection Systems (BTS10)

EDSS: Equipment Deployment and Storage System (MTMC1)

EEG: Electroencephalograph (NHTSA7)

EEO: Equal Employment Opportunity (FTA5)

EF: ESAL Factor (FHWA19)

EFAS: En Route Flight Advisory Service (FAA20)

EFB: Electronic Flight Bag (FAA20)

EFC: Expect Further Clearance (FAA20)

Effective Intensity: That intensity of a light in candela as defined by the Illuminating Engineering Society's Guide for Calculating the Effective Intensity of Flashing Signal Lights, November, 1964. (49CFR221)

Effective Locking Device: A manually operated switch or derail which is 1) Vandal resistant; 2) Tamper resistant; and 3) Capable of being locked and unlocked only by the class, craft or group of employees for whom the protection is being provided. (49CFR218)

EFIS: Electronic Flight Information Systems (FAA20)

EFLHD: Eastern Federal Lands Highway Division (FHWA16)

EFSTS: Electronic Flight Strip Transfer System (FAA20)

EHS: Extremely Hazardous Substance (FHWA18)

EHTR: Emergency Highway Traffic Regulation (FHWA18)

EIA: Energy Information Administration (BTS11)

EIA: Electronic Industries Association (FHWA19)

EIA: Environmental Impact Assessment (FHWA19)

EIAF: Expanded Inward Access Features (FAA20)

EIS: Environmental Impact Statement (FAA20)

EIS: Emergency Information System (FHWA19)

EJ: Environmental Justice (FHWA18)

Ejection: Refers to occupants being totally or partially thrown from the vehicle as a result of an impact or rollover. (NHTSA2) (NHTSA3)

ELD: Electrical Load Database (FAA20)

Electric Lock: A device to prevent or restrict the movement of a lever, a switch or a movable bridge, unless the locking member is withdrawn by an electrical device such as an electromagnet, solenoid or motor [with respect to rail operations]. (49CFR236)

Electric Locking: The combination of one or more electric locks and controlling circuits by means of which levers of an interlocking machine, or switches or other units operated in connection with signaling and interlocking, are secured against operation under certain conditions [with respect to rail operations]. (49CFR236)

Electric System: Physically connected generation, transmission, and distribution facilities operated as an integrated unit under one central management or operating supervision. (DOE5)

Electricity: A form of energy generated by friction, induction, or chemical change that is caused by the presence and motion of elementary charged particles of which matter consists. (DOE5)

Electro-Pneumatic Switch: A switch operated by an electro-pneumatic switch-and-lock movement. (49CFR236)

Electro-Pneumatic Valve: A valve electrically operated which, when operated, will permit or prevent passage of air. (49CFR236)

Elevated on Fill: Rail transit way above surface level fill. Transition segments above surface level on fill are included. (FTA1)

Elevated on Structure: Rail transit way above surface level on structure. Transition segments above surface level on structures are included. (FTA1)

Elevated Rail Subway: Includes elevated and subway trains in a city. (FHWA3)

Elevated Temperature Material: A material which, when offered for transportation or transported in a bulk packaging: 1) Is in a liquid phase and at a temperature at or above 100 degrees C (212 degrees F); 2) Is in a liquid phase with a flash point at or above 37.8 degrees C (100 degrees F) that is intentionally heated and offered for transportation or transported at or above its flash point; or 3) Is in a solid phase and at a temperature at or above 240 degrees C (464 degrees F). (49CFR171)

Elevator: Hydraulic end-gate. (ATA1)

eLMS: Electronic Learning Management System (FAA20)

ELP: El Paso International Airport (FAA11)

ELP: Electronic License Plate (FHWA19)


A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z