Aviation and air traffic control terminology · MLC-0104
Aviation and air traffic control terms: E (26)
- EAS, see En route automation system (EAS)
- EDCT, see Expect departure clearance time (EDCT)
- EDST, see En route decision support tool (EDST)
- EFC, see Expect further clearance (time)
- EligibilityDesignates which sector is eligible to exchange CPDLC messages with a specific aircraft.
- ELT, see Emergency locator transmitter (ELT)
- Embedded route textAn EDST notification that an ADR/ADAR/AAR has been applied to the flight plan. Within the route field...
- EmergencyA distress or an urgency condition.
- Emergency autoland systemThis system, if activated, will determine an optimal airport, plot a course, broadcast the aircraft's...
- Emergency descent modeThis automated system senses conditions conducive to hypoxia (cabin depressurization). If an aircraft is...
- Emergency locator transmitter (ELT)A radio transmitter attached to the aircraft structure which operates from its own power source on 121.5 MHz...
- E-MSAW, see En route minimum safe altitude warning (E-MSAW)
- En route air traffic control servicesAir traffic control service provided aircraft on IFR flight plans, generally by centers, when these aircraft...
- En route automation system (EAS)The complex integrated environment consisting of situation display systems, surveillance systems and flight...
- En route charts, see Aeronautical chart
- En route decision support tool (EDST)An automated tool provided at each Radar Associate position in selected En Route facilities. This tool...
- En route descentDescent from the en route cruising altitude which takes place along the route of flight.
- En route high altitude charts, see Aeronautical chart
- En route low altitude charts, see Aeronautical chart
- En route minimum safe altitude warning (E-MSAW)A function of the EAS that aids the controller by providing an alert when a tracked aircraft is below or...
- En route transition, see Segments of a SID/STAR
- En route transition waypoint, see Segments of a SID/STAR
- Enhanced flight vision system (EFVS)An EFVS is an installed aircraft system which uses an electronic means to provide a display of the forward...
- Enhanced special reporting service (eSRS)An automated service used to enhance search and rescue operations that provides flight service specialists in...
- eSRS, see Enhanced special reporting service (eSRS)
- EST, see Estimated (EST)
- EstablishedTo be stable or fixed at an altitude or on a course, route, route segment, heading, instrument approach or...
- Established on RNP (EoR) conceptA system of authorized instrument approaches, ATC procedures, surveillance, and communication requirements...
- Estimated elapsed time [ICAO]The estimated time required to proceed from one significant point to another.
- Estimated (EST)When used in NOTAMs “EST” is a contraction that is used by the issuing authority only when the condition is...
- Estimated off-block time [ICAO]The estimated time at which the aircraft will commence movement associated with departure.
- Estimated position error (EPE), see Required navigation performance (RNP)
- Estimated time en routeThe estimated flying time from departure point to destination (lift-off to touchdown).
- Estimated time of arrivalThe time the flight is estimated to arrive at the gate (scheduled operators) or the actual runway on times...
- ETA, see Estimated time of arrival
- ETE, see Estimated time en route
- Execute missed approachInstructions issued to a pilot making an instrument approach which means continue inbound to the missed...
- Expect (altitude) at (time) or (fix)Used under certain conditions to provide a pilot with an altitude to be used in the event of two-way...
- Expect departure clearance time (EDCT)The runway release time assigned to an aircraft in a traffic management program and shown on the flight...
- Expect further clearance (time)The time a pilot can expect to receive clearance beyond a clearance limit.
- Expect further clearance via (airways, routes or fixes)Used to inform a pilot of the routing he/she can expect if any part of the route beyond a short range...
- ExpediteUsed by ATC when prompt compliance is required to avoid the development of an imminent situation. Expedite...
26 of 1,122 terms in Aviation and air traffic control terminology (MLC-0104). Request the full dataset.