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(See ICAO term AREA NAVIGATION.)
AREA NAVIGATION [ICAO]− A method of navigation
which permits aircraft operation on any desired
flight path within the coverage of station-referenced
navigation aids or within the limits of the capability
of self-contained aids, or a combination of these.
AREA NAVIGATION (RNAV) APPROACH CONFIGURATION:
a. STANDARD T− An RNAV approach whose
design allows direct flight to any one of three initial
approach fixes (IAF) and eliminates the need for
procedure turns. The standard design is to align the
procedure on the extended centerline with the missed
approach point (MAP) at the runway threshold, the
final approach fix (FAF), and the initial approach/intermediate
fix (IAF/IF). The other two IAFs will be
established perpendicular to the IF.
b. MODIFIED T− An RNAV approach design for
single or multiple runways where terrain or operational
constraints do not allow for the standard T. The
“T” may be modified by increasing or decreasing the
angle from the corner IAF(s) to the IF or by
eliminating one or both corner IAFs.
c. STANDARD I− An RNAV approach design for
a single runway with both corner IAFs eliminated.
Course reversal or radar vectoring may be required at
busy terminals with multiple runways.
d. TERMINAL ARRIVAL AREA (TAA)− The
TAA is controlled airspace established in conjunction
with the Standard or Modified T and I RNAV
approach configurations. In the standard TAA, there
are three areas: straight-in, left base, and right base.
The arc boundaries of the three areas of the TAA are
published portions of the approach and allow aircraft
to transition from the en route structure direct to the
nearest IAF. TAAs will also eliminate or reduce
feeder routes, departure extensions, and procedure
turns or course reversal.
1. STRAIGHT-IN AREA− A 30NM arc centered
on the IF bounded by a straight line extending
through the IF perpendicular to the intermediate
course.
2. LEFT BASE AREA− A 30NM arc centered
on the right corner IAF. The area shares a boundary
with the straight-in area except that it extends out for
30NM from the IAF and is bounded on the other side
by a line extending from the IF through the FAF to the
arc.
3. RIGHT BASE AREA− A 30NM arc centered
on the left corner IAF. The area shares a boundary
with the straight-in area except that it extends out for
30NM from the IAF and is bounded on the other side
by a line extending from the IF through the FAF to the
arc.
ARINC− An acronym for Aeronautical Radio, Inc.,
a corporation largely owned by a group of airlines.
ARINC is licensed by the FCC as an aeronautical
station and contracted by the FAA to provide
communications support for air traffic control and
meteorological services in portions of international
airspace.
ARMY AVIATION FLIGHT INFORMATION
BULLETIN− A bulletin that provides air operation
data covering Army, National Guard, and Army
Reserve aviation activities.
8/5/04 Pilot/Controller Glossary
PCG A−13
ARO−
(See AIRPORT RESERVATION OFFICE.)
ARRESTING SYSTEM− A safety device consisting
of two major components, namely, engaging or
catching devices and energy absorption devices for
the purpose of arresting both tailhook and/or nontailhook-
equipped aircraft. It is used to prevent aircraft
from overrunning runways when the aircraft cannot
be stopped after landing or during aborted takeoff.
Arresting systems have various names; e.g., arresting
gear, hook device, wire barrier cable.
(See ABORT.)
(Refer to AIM.)
ARRIVAL AIRCRAFT INTERVAL− An internally
generated program in hundredths of minutes based
upon the AAR. AAI is the desired optimum interval
between successive arrival aircraft over the vertex.
ARRIVAL CENTER− The ARTCC having jurisdiction
for the impacted airport.
ARRIVAL DELAY− A parameter which specifies a
period of time in which no aircraft will be metered for
arrival at the specified airport.
ARRIVAL SECTOR− An operational control sector
containing one or more meter fixes.
ARRIVAL SECTOR ADVISORY LIST− An ordered
list of data on arrivals displayed at the
PVD/MDM of the sector which controls the meter
fix.
ARRIVAL SEQUENCING PROGRAM− The automated
program designed to assist in sequencing
aircraft destined for the same airport.
ARRIVAL STREAM FILTER (ASF)− An on/off
filter that allows the conflict notification function to
be inhibited for arrival streams into single or multiple
　
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