曝光台 注意防骗
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determining aircraft
altitude using
pressure
measurements. Air
pressure decreases
with an increase of
altitude approximately
one inch of mercury
per 1000 ft near sea
level.
annotation Note(0..*)
Used by
InstrumentApproachProcedure
See diagrams: 1 - Approach Procedure Overview
MissedApproachLeg
(extends: ApproachLeg)
^
MissedApproachLeg
(extends: ApproachLeg)
^
<<feature>> [Logical View::AIXM::AIXM
Features::Procedure::Procedur
e Overview]
Definition
A type of SegmentLeg designed in accordance with the rules for missed approach
segments having the properties specific to a missed approach segment.. The
missed approach segment begins at DA and ends at the clearance limit.
Properties
type CodeMissedApproachType Indicates if the
missed
approach leg
is part of the
primary
instruction.
thresholdAfterMAPT CodeYesNoType Indicates if
MAP is before
or after the
Threshold
heightMAPT ValDistanceVerticalType Elevation of
the missed
approach
surface at the
missed
approach
point.
requiredNavigationPerformance CodeRNPType [ICAO]
Required
navigation
performance
(RNP). [ICAO]
Specifies the
minimum
navigation
performance
accuracy
required in an
airspace. It is
the navigation
performance
accuracy of all
the user and
navigation
system
MissedApproachLeg
(extends: ApproachLeg)
^
combinations
within an
airspace.
Note: It is a
tolerance
factor for
flying. The
factor is taken
into
consideration
when
determining
protected
airspace for
aircraft.
condition ApproachCondition(0..*) A particular
set of final
approach
conditions that
must be met
for the
assessed
missed
approach
Used by
See diagrams: 4 - SegmentLegSpecialization
Name
(extends: string)
^
<<XSDsimpleType>> [Logical
View::XMLSchemaDatatypes
]
Properties
pattern
[Initial Value = \i\c*]
null
See diagrams:
Navaid ^
Navaid ^
<<feature>> [Logical View::AIXM::AIXM
Features::Navaids
Points::Navaids]
Definition
A service providing guidance information or position data for the efficient and safe
operation of aircraft supported by one or more radio navigation aids.
Properties
type CodeNavaidServiceType Type of the navaid service
such as ILS, MLS,
VORTAC, VOR/DME, etc.
designator CodeNavaidDesignatorType The coded identifier given
to the navaid system.
name TextNameType The long name given to
the composite navaid.
flightChecked CodeYesNoType Indicates if the navaid has
been flight checked.
purpose CodeNavaidPurposeType Indication of the intended
usage of the navaid
(enroute or terminal)
signalPerformance CodeSignalPerformanceILSType The signal performance
level indicating the
precision of an ILS or MLS
system.
courseQuality CodeCourseQualityILSType An indication of the signal
quality of the ILS course
structure based on the
location the precision
signal is usable to.
integrityLevel CodeIntegrityLevelILSType That quality which relates
to the trust which can be
placed in the correctness
of the information supplied
by the ILS facility.
touchDownLiftOff TouchDownLiftOff(0..*) The touch down or lift-off
area for helicopters.
navaidEquipment NavaidEquipment(0..*) the component of the
navaid system
Navaid ^
location ElevatedPoint(0..1) Graphical location of the
navaid (system). This
should be the same
location as the equipment
that provides navigability
runwayDirection RunwayDirection(0..*) The landing and take-off
directions of a runway
servedAirport AirportHeliport(0..*) The AirportHeliport served
by the Navaid.
availability NavaidOperationalStatus(0..*) The operational status of
the navaid.
annotation Note(0..*)
Used by
SignificantPoint
GuidanceService
See diagrams: 1 - Significant Points
2 - Point Reference
1 - Guidance Service
3 - Route Portion
1 - Navaid
NavaidComponent ^
<<object>> [Logical
View::AIXM::AIXM
Features::Navaids
Points::Navaids]
Definition
Indicates navigation use of a NavaidEquipment as a component of the navigation
service provided by a Navaid. For example the DME NavaidEquipment is a
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