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to manage unpredictable fluctuations in traffic demands.
8/5/04 Pilot/Controller Glossary
PCG E−1
E
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.)
(See NAS STAGE A.)
(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 NAS Stage A en route
computer that aids the controller by alerting him
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
Pilot/Controller Glossary 8/5/04
PCG E−2
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.)
　
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