E
EAS-
(See EN ROUTE AUTOMATION
SYSTEM.)
EDCT-
(See EXPECT DEPARTURE
CLEARANCE TIME.)
EFC-
(See EXPECT FURTHER CLEARANCE
(TIME).)
ELT-
(See EMERGENCY LOCATOR
TRANSMITTER.)
EMERGENCY- A
distress or an urgency condition.
EMERGENCY LOCATOR
TRANSMITTER- A radio transmitter attached to the aircraft structure which
operates from its own power source on 121.5 MHz and 243.0 MHz. It aids in
locating downed aircraft by radiating a downward sweeping audio tone, 2-4 times
per second. It is designed to function without human action after an accident.
(Refer to 14 CFR Part 91.)
(Refer to AIM.)
E-MSAW-
(See EN ROUTE MINIMUM SAFE
ALTITUDE WARNING.)
EN ROUTE AIR TRAFFIC
CONTROL SERVICES- Air traffic control service provided aircraft on IFR flight
plans, generally by centers, when these aircraft are operating between departure
and destination terminal areas. When equipment, capabilities, and controller
workload permit, certain advisory/assistance services may be provided to VFR
aircraft.
(See AIR ROUTE TRAFFIC
CONTROL CENTER.)
(Refer to AIM.)
EN ROUTE AUTOMATION SYSTEM
(EAS)- The complex integrated environment consisting of situation display
systems, surveillance systems and flight data processing, remote devices,
decision support tools, and the related communications equipment that form the
heart of the automated IFR air traffic control system. It interfaces with
automated terminal systems and is used in the control of en route IFR aircraft.
(Refer to AIM.)
EN ROUTE CHARTS-
(See AERONAUTICAL CHART.)
EN ROUTE DESCENT- Descent
from the en route cruising altitude which takes place along the route of flight.
EN ROUTE FLIGHT ADVISORY
SERVICE- A service specifically designed to provide, upon pilot request, timely
weather information pertinent to his/her type of flight, intended route of
flight, and altitude. The FSSs providing this service are listed in the
Airport/Facility Directory.
(See FLIGHT WATCH.)
(Refer to AIM.)
EN ROUTE HIGH ALTITUDE
CHARTS-
(See AERONAUTICAL CHART.)
EN ROUTE LOW ALTITUDE
CHARTS-
(See AERONAUTICAL CHART.)
EN ROUTE MINIMUM SAFE
ALTITUDE WARNING- A function of the EAS that aids the controller by providing an
alert when a tracked aircraft is below or predicted by the computer to go below
a predetermined minimum IFR altitude (MIA).
EN ROUTE SPACING PROGRAM
(ESP)- A program designed to assist the exit sector in achieving the required
in-trail spacing.
EN ROUTE TRANSITION-
a. Conventional
STARs/SIDs. The portion of a SID/STAR that connects to one or more en route
airway/jet route.
b. RNAV STARs/SIDs. The
portion of a STAR preceding the common route or point, or for a SID the portion
following, that is coded for a specific en route fix, airway or jet route.
ESP-
(See EN ROUTE SPACING
PROGRAM.)
ESTABLISHED-To be stable
or fixed on a route, route segment, altitude, heading, etc.
ESTIMATED ELAPSED TIME [ICAO]-
The estimated time required to proceed from one significant point to another.
(See ICAO Term TOTAL
ESTIMATED ELAPSED TIME.)
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)
ESTIMATED TIME OF ARRIVAL-
The time the flight is estimated to arrive at the gate (scheduled operators) or
the actual runway on times for nonscheduled operators.
ESTIMATED TIME EN ROUTE-
The estimated flying time from departure point to destination (lift-off to
touchdown).
ETA-
(See ESTIMATED TIME OF
ARRIVAL.)
ETE-
(See ESTIMATED TIME EN
ROUTE.)
EXECUTE MISSED
APPROACH- Instructions issued to a pilot making an instrument approach
which means continue inbound to the missed approach point and execute the missed
approach procedure as described on the Instrument Approach Procedure Chart or as
previously assigned by ATC. The pilot may climb immediately to the altitude
specified in the missed approach procedure upon making a missed approach. No
turns should be initiated prior to reaching the missed approach point. When
conducting an ASR or PAR approach, execute the assigned missed approach
procedure immediately upon receiving instructions to "execute missed approach."
(Refer to AIM.)
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 communications failure. It also
provides altitude information to assist the pilot in planning.
(Refer to AIM.)
EXPECT DEPARTURE CLEARANCE
TIME (EDCT)- The runway release time assigned to an aircraft in a traffic
management program and shown on the flight progress strip as an EDCT.
(See GROUND DELAY PROGRAM.)
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
clearance limit differs from that filed.
EXPEDITE-
Used by ATC when prompt compliance is required to avoid the development of an
imminent situation. Expedite climb/descent normally indicates to a pilot that
the approximate best rate of climb/descent should be used without requiring an
exceptional change in aircraft handling characteristics.
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