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located at ground or rooftop level, or on an elevated
structure. The TLOF is normally centered in the FATO.
Touchdown RVR – The RVR visibility readout values
obtained from sensors serving the runway touchdown
zone.
Touchdown Zone Elevation (TDZE) – The highest
elevation in the first 3,000 feet of the landing surface.
Tower En Route Control (TEC) – The control of IFR
en route traffic within delegated airspace between two
or more adjacent approach control facilities. This service is designed to expedite air traffic and reduces air
traffic control and pilot communication requirements.
TRACAB – A new type of air traffic facility that consists of a radar approach control facility located in the
tower cab of the primary airport, as opposed to a separate room.
Standard Service Volume – Most air navigation radio
aids which provide positive course guidance have a
designated standard service volume (SSV). The SSV
defines the reception limits of unrestricted NAVAIDS
which are usable for random/unpublished route navigation. Standard service volume limitations do not apply
to published IFR routes or procedures. See the AIM for
the SSV for specific NAVAID types.
Standard Terminal Arrival (STAR) – Provides a
common method for departing the en route structure
and navigating to your destination. A STAR is a preplanned instrument flight rule ATC arrival procedure
published for pilot use in graphic and textual form to
simplify clearance delivery procedures. STARs provide
you with a transition from the en route structure to an
outer fix or an instrument approach fix or arrival waypoint in the terminal area, and they usually terminate
with an instrument or visual approach procedure.
Standardized Taxi Routes – Coded taxi routes that
follow typical taxiway traffic patterns to move aircraft
between gates and runways. ATC issues clearances
using these coded routes to reduce radio communication and eliminate taxi instruction misinterpretation.
STAR Transition – A published segment used to connect one or more en route airways, jet routes, or RNAV
routes to the basic STAR procedure. It is one of several
routes that bring traffic from different directions into
one STAR. NACO publishes STARs for airports with
procedures authorized by the FAA, and these STARs
are included at the front of each Terminal Procedures
Publication regional booklet.
Start End of Runway (SER) – The beginning of the
takeoff runway available.
Station Declination – The angular difference between
true north and the zero radial of a VOR at the time the
VOR was last site checked.
Surface Incident – An event during which authorized
or unauthorized/unapproved movement occurs in the
movement area or an occurrence in the movement area
associated with the operation of an aircraft that affects
or could affect the safety of flight.
Surface Movement Guidance Control System
(SMGCS) – Facilitates the safe movement of aircraft
and vehicles at airports where scheduled air carriers are
conducting authorized operations. The SMGCS low
visibility taxi plan includes the improvement of taxiway
and runway signs, markings, and lighting, as well as the
creation of SMGCS low visibility taxi route charts.
Synthetic Vision – A visual display of terrain, obstructions, runways, and other surface features that creates a
virtual view of what the pilot would see out the window. This tool could be used to supplement normal
vision in low visibility conditions, as well as to increase
situational awareness in IMC.
Traffic Information Service-Broadcast (TIS-B) – An
air traffic surveillance system that combines all available traffic information on a single display.
Traffic Management Advisor (TMA) – A software
suite that helps air traffic controllers to sequence arriving air traffic.
Transition Altitude (QNH) – The altitude in the vicinity of an airport at or below which the vertical position
of an aircraft is controlled by reference to altitudes
(MSL).
Transition Height (QFE) – Transition height is the
height in the vicinity of an airport at or below which
the vertical position of an aircraft is expressed in height
above the airport reference datum.
Transition Layer – Transition layer is the airspace
between the transition altitude and the transition level.
Aircraft descending through the transition layer will set
altimeters to local station pressure, while departing aircraft climbing through the transition layer will be using
standard altimeter setting (QNE) of 29.92 inches of
Mercury, 1013.2 millibars, or 1013.2 hectopascals.
　
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本文鏈接地址：Instrument Procedures Handbook (IPH)儀表程序手冊(cè)下(188)