Whats New with AIXM 5 Explaining AIXM 5
- Slides: 28
What’s New with AIXM 5
Explaining AIXM 5 • Mission and Objectives • Building blocks of AIXM 5 – International standards – Engineering practices • Coverage of the AIXM 5 data model – Scope of aeronautical information – Emerging “partner” standards
Mission and Objectives • Standards-based data model and exchange format that can satisfy the aeronautical information exchange requirements for current and future aeronautical information applications • Based on global aeronautical data requirements – ICAO standards and practices – Industry requirements • Support current and future AIM information system requirements – – – Digital Aeronautical Information Publications (AIPs) Automated charting and publications Integrated digital NOTAMs Aerodrome Mapping Databases and applications Situational displays
Aeronautical Information is Geospatial • • • Locations Airspace boundaries Airport layouts Routes Cartography Bearings
Aeronautical Information Changes in Time • Commissioning – A new runway XXXX • Decommissioning – Closing a runway • Temporary changes – Declared distance changes during day and night – Partial runway closures – Field conditions caused by weather
Aeronautical Information is Complex Located at an Airport Used on an enroute Route Has coverage areas Used on a Departure Procedure Provides angle indication for a fix Has owner/operator • What is a VOR? – Are you a cartographer, pilot, flight inspector, signal processing engineer, airspace officer, obstacle evaluator, facilities service technician? – The information you need depends on your point-of-view
Aeronautical Information is Critical Data quality?
We Need Aeronautical Information Integrity “Right Information, Right Place, Right Time” State 2 AIP, charts, etc. State 1 AIP, charts, etc. NOTAM bulk data upload ARO Data management Briefing Data management State 3 AIP, charts, etc. AIP e. AIP, i. PIB Applications NOTAM Regional database DATA AFTN (low bandwidth) AIP Surface mail NOTAM data update Data Service Provider services
Aeronautical Information Management and AIXM AIP NOTAM “data layer”
Explaining AIXM 5 • Mission and Objectives • Building blocks of AIXM 5 – International standards – Engineering practices • Coverage of the AIXM 5 data model – Scope of aeronautical information – Emerging “partner” standards
Engineering AIXM Geography and Geometry ISO 19136 Geography Markup Language Complexity ISO 19100 series UML, XML, Extensibility Temporality ISO 19108 Temporal Permanent and Temporary changes Integrity Universal Unique Identification (UUID) ISO 19115 Metadata Criticality XML Computer – Computer Exchange
AIXM is Based on International Standards Aeronautical Information Exchange Model (AIXM) ISO 19107 Spatial ISO 19108 Temporal ISO 19115 Metadata Universal Markup Language (UML) Conceptual standards Extensible Markup Language (XML) ISO 19136 Geography Markup Language (GML) Exchange standards
Value of ISO 19100 Standards • Internationally developed standards for expressing geographical data – – Features - Airports, Runways, Airspace Metadata - Data Originator, Status, Published Date Temporality - Start and end dates Geometry - Point, Line, Polygon • Helps us organize information for the aeronautical domain • Well-established – Geography Markup Language (GML) – Widely adopted and implemented by vendors and governments
Unified Modeling Language (UML)
Extensible Markup Language (XML) Web Page HTML • XML – Extensible Markup Language – Have you looked at what is underneath a web page? – XML has a similar look to HTML <h 2><a href="sdat 2/html/download. htm"> SDAT 5. 7 Release</a></h 2> <h 3 class="byline">New Features >></h 3> <p> <ul> <li>Create traffic collections based on a sector number. (Flights flown through specified sector(s))</li> … <Runway. Direction> <Designator>20 L</Designator> • Computer readable – Electronic exchange – Vendor supported XML Document <VFRPattern>RIGHT</VFRPattern> </Runway. Direction> …
Key Concept: Geometry and GML • Geometry - important property of aeronautical information – Airspace polygons – Airport Reference Points – Navaid location
Key Concept: Geometry and GML (cont’d) • Geometric and cartographic calculations – Label placement – Distance between Navigation Aids – Course and bearing – Airspace penetrations – Flight planning
Key Concept: Geometry and GML (cont’d) • ISO 19136 Geography Markup Language (GML) – Vendor independent standard – Based on XML – Good industry adoption
Temporality Model • Definition – A model that incorporates the concept of time • Key assertions – All features are temporal with start of life and end of life • Example: A new air traffic control sector – All features change over time • Example: A VOR is out of service for a day • AIXM Temporality Model – Relates features to the time extent in which they are valid – Provides various means to describe the time extent
An Example: Navaid Frequency Change Imagine that AML Navaid undergoes an upgrade that changes its frequency from 112 MHz to 113. 2 MHz… 1. Schedule permanent change to coincide with AIRAC update cycle 2. Shutdown AML before the upgrade 3. Perform the upgrade 4. Start AML in test mode to evaluate change
An Example: Navaid Frequency Change (cont’d) Imagine that AML Navaid undergoes an upgrade that changes its frequency from 112. 0 MHz to 113. 2 MHz…
Explaining AIXM 5 • Mission and Objectives • Building blocks of AIXM 5 – International standards – Engineering practices • Coverage of the AIXM 5 data model – Scope of aeronautical information – Emerging “partner” standards
AIXM Coverage and Related Standards AIXM Core Flight Plans AIXM Core AIP Data AMDB & Air. MAT NOTAM Data Obstacles • • Others… WXXM Based on same ISO 19100 framework Ensures consistency Reduces implementation complexity Reduces integration complexity
AIXM Coverage • • • Aerodrome/Heliport Airspace Holding Navaids and Points Obstacles Organizations Procedures Refueling Aerial Routes Services Surveillance Shared Components • Geometry • Notes • Time Management • Aircraft
Services example
Application Schemas Using AIXM to meeting business needs: 1. 2. 3. 4. Digital NOTAM Procedure design Charting Airport mapping applications Extend Customer Properties Workflow Portrayal/Visualization Limited feature sets Cardinality Airport Airpace Obstacles Etc. Restrict AIXM Core Application Schema AIXM Compliant XML messages designed to meet business needs.
Application Schemas • • • (FAA) Minimum IFR Altitude areas Airport Mapping Databases Digital NOTAM (EUR) Flexible Use of Airspace (FAA) FGDC Airport Layouts (FAA) Flight Procedure Packages AIXM WFS Airport Layout App Schema Airport Layout Plan Information Bus AIXM DB Airport GIS Process Manager Digital NOTAM App Schema NOTAM Creator NOTAM Process Manager FPP App Schema Procedure Designer Procedure Design Process Manager
What’s New in AIXM 5 • Mission and Objectives – Support for current and emerging aeronautical information processes – Digital NOTAM, Procedure Design, Special Use Airspace, Flexible Use of Airspace • Best practices design – International standards – Extensible and modular • Expanded coverage – Airport Mapping, Airport Layouts, Procedure Design, Obstacles – Application Schemas support Aeronautical Business Processes More details Wednesday afternoon and Thursday morning
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