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provide the lowest altitude
possible and maintain safety.
location AirportHeliport(0..*) Indicates the localisation of the
safe altitudes area at a specific
airport
annotation Note(0..*)
Used by
Procedure
See
diagrams:
1 - Minimum and Emergency Safe Altitude
1 - Approach Procedure Overview
1 - STAR
SafeAltitudeAreaSector ^
<<object>> [Logical View::AIXM::AIXM
Features::Procedure::Minimu
m and Emergency Safe
Altitude]
Definition
Subdivision of the MSA to allow for lower altitudes.
Properties
bufferWidth ValDistanceType Width of the secondary area
used to evaluate the lowest
usable altitude for obstacle
assessment.
extent Surface(0..1) The graphical area
described for the Safe Area
sector.
significantObstacle Obstruction(0..*) The obstacle that controls
the altitude definition of the
sector.
sectorDefinition CircleSector(0..1) A non graphical definition
describing a portion of a
circle.
annotation Note(0..*)
Used by
SafeAltitudeArea
See diagrams: 1 - Minimum and Emergency Safe Altitude
SDF
(extends: NavaidEquipment)
^
<<feature>> [Logical
View::AIXM::AIXM
Features::Navaids
Points::Navaids]
Definition
Simplified Directional Facility (SDF) provides a final approach course similar to that
of the ILS localizer although is not as precise as Localizer. It does not provide glide
SDF
(extends: NavaidEquipment)
^
slope information. The SDF transmits signals within the range of 108.10 to 111.95
MHz. The approach techniques and procedures used in an SDF instrument
approach are essentially the same as those employed in executing a standard
localizer approach except the SDF course may not be aligned with the runway and
the course may be wider, resulting in less precision. Usable off-course indications
are limited to 35 degrees either side of the course centreline. Instrument indications
received beyond 35 degrees should be disregarded. This angle is generally not
more than 3 degrees. The SDF signal is fixed at either 6 degrees or 12 degrees as
necessary to provide maximum flyability and optimum course quality.
Properties
frequency ValFrequencyType The frequency of the localizer.
magneticBearing ValBearingType The measured angle between the
localizer beam and Magnetic North at
the localizer antenna.
trueBearing ValBearingType The measured angle between the
localizer beam and True North at the
localizer antenna. Note : The True North
is the north point at which the meridian
lines meet.
See diagrams: 2 - Navaid Equipment
SeaplaneLandingArea ^
<<feature>> [Logical View::AIXM::AIXM
Features::AirportHeliport::Seaplanes
]
Definition
Area specifically designated for take-offs and landings of seaplanes
Properties
rampSite SeaplaneRampSite(0..*) Landing area ramp site
location.
dockSite FloatingDockSite(0..*) SeaplaneLandingArea dock
site.
extent ElevatedSurface(0..1) Extent of the
SeaplaneLandingArea
SeaplaneLandingArea ^
annotation Note(0..*)
availability ManoeuvringAreaAvailability(0..*) The operational status of the
SeaplaneLandingArea.
Used by
MarkingBuoy
See
diagrams:
4 - Manoeuvring Area Availability
1 - Seaplanes
SeaplaneRampSite ^
<<feature>> [Logical View::AIXM::AIXM
Features::AirportHeliport::Seaplanes
]
Definition
Ramps specifically designed to transit seaplanes from land to water and vice versa
Properties
extent ElevatedSurface(0..1) Ramp site extent.
centreline ElevatedCurve(0..1) Ramp site centreline.
annotation Note(0..*)
Used by
SeaplaneLandingArea
See
diagrams:
1 - Seaplanes
SearchRescueService
(extends: Service)
^
<<feature>> [Logical
View::AIXM::AIXM
Features::Service]
Definition
SearchRescueService
(extends: Service)
^
The performance of distress monitoring, communication, coordination and search
and rescue functions, initial medical assistance or medical evacuation, through the
use of public and private resources, including cooperating aircraft, vessels and
other craft and installations.
Properties
type CodeServiceSARType The type of air traffic flow
management service provided.
clientAirspace Airspace(0..*) The airspace where the search and
rescue service is available.
clientRoute RoutePortion(0..*) The route where the search and
rescue service is provided.
Used by
See diagrams: 1 - Service Overview
　
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