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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.)
ENGINEERED PERFORMANCE STANDARDS- A mathematically derived runway
capacity standard. EPSs are calculated for each airport on an
individual basis and reflect that airport's aircraft mix, operating
procedures, runway layout, and specific weather conditions. EPSs do
not give consideration to staffing, experience levels, equipment
outages, and in-trail restrictions as does the AAR.
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- A program designed to assist the exit sector in achieving
the required in-trail spacing.
EPS-
(See ENGINEERED
PERFORMANCE STANDARDS.)
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- The runway release time assigned to an
aircraft in a controlled departure time program and shown on the
flight progress strip as an EDCT.
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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AVIATION LIBRARY
