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surface movement area that periodically broadcasts via datalink its state
vector (horizontal and vertical position, horizontal and vertical velocity) and
other information. ADS-B relies on on-board navigation sources, and
ADS-B is Automatic in that it requires no external stimulus to elicit a
transmission. ADS-B Surveillance information is provided, via data link, to
any users (either aircraft or ground-based) within range of the Broadcast
signal.
Available Landing
Distance (ALD)
ALD is that portion of a runway available for landing and roll-out for aircraft
cleared for land and hold short operations (LAHSO). This distance is
measured from the landing threshold to the hold-short point.
Category I
Instrument
Approach
A Category I instrument approach is any authorized precision instrument
approach which is conducted with a minimum height not less than 60
meters (200 feet) above the touchdown zone and a minimum visibility/RVV
not less than 800 meters (1/2 statute mile) or RVR 550m (1800ft) (for
helicopters, 400m (1/4 statute mile) or RVR 490m (1600ft)).
Certificate Holder In these operations specifications the term "certificate holder" shall mean
the holder of the certificate described in Part A paragraph A0001 and any
of its officers, employees, or agents used in the conduct of operations
under these operations specifications.
Class I Navigation Class I navigation is any en route flight operation or portion of an operation
that is conducted entirely within the Operational Service Volumes of ICAO
standard airway navigation facilities (VOR, VOR/DME, NDB). Class I
navigation also includes en route flight operations over routes designated
with an "MEA GAP". En route flight operations conducted within these
areas are defined as "Class I navigation" operations irrespective of the
navigation means used. Class I navigation includes operations within
these areas using pilotage or any other means of navigation which does
not rely on the use of VOR, VOR/DME, or NDB.
Class II Navigation Class II navigation is any en route flight operation which is not defined as
Class I navigation. Class II navigation is any en route flight operation or
portion of an en route operation which takes place beyond the Operational
Service Volume of ICAO standard airway navigation facilities (VOR,
VOR/DME, NDB). However, Class II navigation does not include en route
flight operations over routes designated with an "MEA GAP".
General
Administration of Civil
Aviation of China CCAR-121 / 135 OPERATIONS SPECIFICATIONS
CAAC DOCUMENT
APPROVAL NO
AC-121-001R1
(Company Name) A0003-3 Certificate No:
Effective Date: Y M D
Term or Terms Definition
Cockpit Display of
Traffic Information
(CDTI)
A CDTI is a generic display that provides a flightcrew with surveillance
information about other aircraft including their position. Iinformation for a
CDTI may be obtained from one or multiple sources (including ADS-B,
TCAS, and traffic information services) to provide improved awareness of
proximate aircraft and as an aid to visual acquisition as part of the normal
see and avoid operations both in the air and on the ground.
Decision Altitude
(Height)
DA(H) is a specified minimum altitude in an instrument approach
procedure by which a missed approach must be initiated if the required
visual reference to continue the approach has not been established. The
‘altitude’ value is typically measured by a barometric altimeter; the ‘height’
value (H) is typically a radio altitude equivalent height above the
touchdown zone (HAT) used only for advisory reference and does not
necessarily reflect actual height above underlying terrain.
Dual-Certificated-
Noise Compliance
For purposes of noise compliance rules, dual-certificated airplanes are
those that are certificated to operate in either a Stage 2 or Stage 3
configuration. The only airplanes dual certificated by the CAAC were
certain Boeing 747’s, -300 series or earlier. For noise compliance
purposes, these airplanes are considered Stage 2 unless the operator gets
a supplemental type certificate to make the airplane Stage 3 only, or
unless the operator voluntarily limits the operation to Stage 3 only.
Fault Detection
and Exclusion
(FDE)
FDE technology allows onboard GPS equipment to automatically detect a
satellite failure that effects navigation and to exclude that satellite from the
navigation solution.
Flight
Management
Systems (FMS)
An integrated system used by flightcrews for flight planning, navigation,
　
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