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AMDB/xNOTAM Study “Study on the applicability of the xNOTAM concept for updating Airport Mapping Database (AMDB) applications“ Overview. Study Objective. Enabling and demonstrating aerodrome digital NOTAMs. Main Goals. Extension of AIXM to support AMDB data

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AMDB/xNOTAM Study“Study on the applicability of the xNOTAM concept for updating Airport Mapping Database (AMDB) applications“Overview

study objective
Study Objective

Enabling and demonstratingaerodrome digital NOTAMs

main goals
Main Goals
  • Extension of AIXM to support AMDB data
    • Gap analysis DO-272A/ED-99A – AIXM Conceptual Model
  • Validation of the xNOTAM concept
    • Gap analysis NOTAM – AIXM Conceptual Model
    • Prototype AIXM 5 XML schema
  • Demonstration of study results in flight simulator
extension of aixm with amdb support
Extension of AIXM with AMDB support
  • Based on AIXM 4.5 model and AMDB Specifications
  • AIXM Extensions
    • Generic geometry support (AIXM5: ISO19100)
    • AMDB features and attributes mapped to AIXM entities
    • Added features (markings, lines,…) and attributes to AIXM

AMDB

AIXM 4.5

gap analysis aixm notam content
Gap analysis AIXM/NOTAM content
  • Based on NOTAM Selection Criteria (NSC)
  • 2+3 letters codes (subject): AIXM entities
  • 4+5 letters codes (condition): AIXM attributes
  • Works for subjects (MR → Rwy, MX → Twy, MN → Apron...)
  • Mapping of conditions to attributes difficult
    • Often not used as intended (“XX”)
    • Not precise enough
    • Actual information onlyin item E)

Q)EDFF/QMXLC/IV/M/A/000/999/5002N00834E005

NSC Subjects

MA MOVEMENT AREA

MB BEARING STRENGTH

MC CWY

MD DECLARED DISTANCES

MG TAXIING GUIDANCE SYSTEM

MK PARKING AREA

MX TWY

NSC Conditions

AD Available for daylight operation

AG Operating but ground checked only

AH Hours of service are….

LC Closed

AL Operative

LT Limited to…

XX Plain language

ICAO Doc 8126

(A2641/03 NOTAMN

Q)EDLL/QMRLT/IV/NBO/A/000/999/5116N00645E005

A)EDDL B)0312312359 C)0412312359

E)RWY 15/33 CLOSED FOR TKOF AND LANDING, EXCEPT FOR HELICOPTER OPERATIONS NORTH OF TWY M.)

aixm notam gap analysis major findings
AIXM/NOTAM Gap Analysis Major Findings
  • Gaps in entities could be resolved easily
  • Gaps in attributes could be resolved partially
  • NSC not sufficient for structuring, need to investigate Item E)
  • Amount of NOTAMs analysed within this study: ~100
    • Leading to ~85% coverage of AIXM for NOTAM data
  • Conclusion
    • Must analyse many more NOTAMs (~200) to get to 95%
    • More than 99% will never be achieved

A3322/06 NOTAMN

Q)LIXX/QXXXX/IV/M/E/000/999/4007N01358E330

A)LIMM LIRR LIBB

B)0607092045 C)0607092115

E)SPECIAL NOTICE: GERMANY 2006 FIFA WORLD CUP -

WINNER : ITALY

CAMPIONI DEL MONDO

CHAMPIONS OF THE WORLD

MEISTER DER WELT

CHAMPIONS DU MONDE

CAMPEONES DEL MUNDO

CAMPE/ES DO MUNDO

MESTERE AV VERDENEN

KAMPIOENEN VAN DE WERELD

prototype aixm 5 schema
Prototype AIXM 5 Schema
  • Based on extended model (after the two gap analyses)
  • First AIXM 5 implementation
  • Based completely on GML
    • Generic geometry support
    • Temporality model based on GML “Timeslices”
demonstration of study results

digital NOTAM

digital NOTAM Decoder

Demonstration of Study Results
  • Display temporary change in processed form to cockpit crew
    • AIXM digital NOTAM message announces temporary change
    • Visualize change information on cockpit display

“static” database

(AMDB)

demonstration scenario
Demonstration Scenario
  • Three typical situations announced in NOTAM
    • “Runway closed for…” (NSC QMRLC)
    • “Part of taxiway closed” (NSC QMXLC)
    • “Obstacle erected” (NSC QOBCE)
  • Taxi display symbology

RWY operating mode restriction

TWY operating mode restriction

Obstacle symbols (with height)