Introduction to AIXM Topics Criticality of AIS information

Introduction to AIXM

Topics • • • Criticality of AIS information AIM – a “data centric” approach Worldwide interoperability AIXM mission Related developments

Aeronautical information criticality Data quality?

Aeronautical Information Management State 2 AIP, charts, etc. State 1 AIP, charts, etc. NOTAM bulk data upload NOTAM ARO Data management Briefing Data management AIP State 3 AIP, charts, etc. NOTAM e. AIP, i. PIB Applications AIXM Regional database Standards DATA AIXM AFTN (low bandwidth) AIP NOTAM Surface mail data update Data Service Provider services

Role of models in AIM System - manage data - publish traditional and new products - accurate and fast exchange Classical AIS - publish documents AIP SUP, NOTAM, AIC Document content and format is described by: Data managed in the system is described by models: - ICAO Annex 15, Appendix 1 – AIP Content - ARINC 424 - ICAO Annex 15, Appendix 6 – NOTAM format - Aeronautical Information Exchange Model (AIXM) - ICAO Annex 4, Aeronautical Charts - Electronic AIP (e. AIP) Specification - FAA forms - Airport Mapping Database (AMDB) - Terrain and Obstacle Database - New products…

Purpose of AIM Improve internal processes • Streamline data management and product maintenance – Model aeronautical information as a whole – Create AIS products from a single data source – Ability to integrate workflow and configuration management AIS Office Products Data management Product Creation Engines

Purpose of AIM Improve external processes AIP NOTAM “data layer”

Data modeling is important • Role of data models – To represent real world concepts as a theoretical construct which can be represented and understood by automated systems – To standardise the conceptual understanding of aeronautical data by all actors - “speak the same language" – To provide a basis for logical data structures used during the software implementation – To provide basis formal ‘contracts’ between interoperable systems – example: “use the same format"

AIXM – the first versions Sources AIP

AIXM - Internationalization Global Requirements Complete Data Model (Military/Civilian) Standards (ISO)

AIXM 5 - Global Standard AIXM

Mission • Based on global aeronautical data requirements – ICAO standards and practices – Industry requirements • Modular and extensible • Support current and future AIM information system requirements – – – Digital AIPs Automated charting and publications Integrated digital NOTAMs Aerodrome Mapping Databases and applications Situational displays Etc.

AIXM components Conceptual (content) Model Exchange format specification

Scope En. Route Airspace Route Terminal Fix Procedures Service Airport/Runway • Aerodromes • Airspace • NAVAIDS & Fixes Airport/Runway • • Routes Procedures Obstacles Organizations & Services

Temporal scope AIXM 3. 3

Why digital NOTAM – TWY closure – Today, published as NOTAM A 0874/03 NOTAMN Q) EBBU/QMXLC/IV/M/A/000/999/5054 N 00429 E 005 A) EBBR B) 0308250500 C) 0310271600 E) TAXIWAYS OUTER 7 AND E 6 CLSD <OK for computers> <not OK for computers> – Not possible for a computer to identify automatically which TWY is closed • NOTAM is intended to be read and understood by humans, not by machines; • unreliable to ask a computer to interpret the free text field

AMDB/x. NOTAM Study • • • Gap Analysis ED-99 A – AIXM and Prototype AIXM 5 schema Validation of AIXM temporal model Validation of results in real scenario in flight simulator – Use AIXM 5 message to announce temporary change – Visualise change information on cockpit display “static” database Digital NOTAM Decoder

WG-76/SC-206 • Industry requirements for AIS Data Link – EUROCAE WG 76 jointly with – RTCA SC 206 • Objective – Identify AIS and MET Data-Link services that are envisaged to be implemented within the next decade in both Europe and USA – Develop the Operational Service and Environment Definition (OSED) document, Safety and Performance Requirements (SPR) and Interoperability Requirements (INTEROP)

ARINC NDBX AIXM(XML)

Conclusion SC-206 Ground upload NDBX, ARINC - 816 AIS Data Link services AIP NOTAM AIXM Service Provider

Conclusion • AIXM provides international standardization – Content model: UML class definitions for features, attributes, data types, associations & business rules – Exchange format: XML/GML encoding • Enables transition from AIS to AIM – New services and products (e. g. , digital NOTAM, NDBX) • AIXM is flexible and extensible • AIXM working to satisfy industry requirements