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Objectives

AIXM 5 Terminal Procedure Model Study “Verification of the AIXM 5 Procedures Model through cockpit simulation applications“. Objectives. Investigation and Verification Gap analysis procedure model – real-world data Examination of AIP procedure data and NOTAM Implementation

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Objectives

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  1. AIXM 5 Terminal Procedure Model Study“Verification of the AIXM 5 Procedures Model through cockpit simulation applications“

  2. Objectives • Investigation and Verification • Gap analysis procedure model – real-world data • Examination of AIP procedure data and NOTAM • Implementation • AIXM relational procedure DB from UML model • Basic AIXM feeder interface • Demonstration • Approach channel visualization in cockpit display • Visualize (temporary) changes (received in digital NOTAMs) (A0711/06 NOTAMN Q) EYVL/QPICH/I /NBO/A /000/999/5438N02517E010 A) EYVI B) 0612210001 C) PERM E) 1. INSTRUMENT APPROACH PROCEDURE RWY 02 CHANGED AS FLW: - MNM ALT CHANGED TO 3500 FT INSTEAD OF 3000 FT, - FAP/FAF ALT(HGT) CHANGED TO 2500(1906) FT INSTEAD OF 2200(1606) FT. 2. INSTRUMENT APPROACH PROCEDURE RWY 20 CHANGED AS FLW: - MNM ALT CHANGED TO 3500 FT INSTEAD OF 3000 FT, - FAP/FAF ALT(HGT) CHANGED TO 2500(1854) FT INSTEAD OF 2200(1554) FT. REF AIP EYVI AD 2.4-37/42.)

  3. Procedures in European AIPs • Primary focus: non-graphical IAP information • Tabular/textual description of procedures • Examined the (e)AIPs of • Armenia, Denmark, Estonia, France, Germany, Hungary, Italy, Lithunia, Moldova, Netherlands, Slovenia • Only Netherlands publishes detailed description of legs (ARINC style) of some RNAV procedures

  4. Applying the Procedure Model <aixm:InitialLegTimeSlice> … <aixm:legTypeARINC>TF</aixm:legTypeARINC> <aixm:course>116</aixm:course> <aixm:courseType>MT</aixm:courseType> <aixm:courseDirection>TO</aixm:courseDirection> <aixm:length uom="NM">3.5</aixm:length> <aixm:lowerLimitAltitude uom="FT">2000</aixm:lowerLimitAltitude> <aixm:lowerLimitReference>ALT</aixm:lowerLimitReference> <aixm:altitudeInterpretation>LA</aixm:altitudeInterpretation> <aixm:startingAt> <aixm:TerminalSegmentPoint> <aixm:locatedAt_DesignatedPoint xlink:href="#LISDA"/> </aixm:TerminalSegmentPoint> </aixm:startingAt> <aixm:endingAt> <aixm:TerminalSegmentPoint> <aixm:locatedAt_DesignatedPoint xlink:href="#EH613"/> </aixm:TerminalSegmentPoint> </aixm:endingAt> <aixm:isPartOf_InstrumentApproachProcedure xlink:href="#EHAM_LISDA"/> </aixm:InitialLegTimeSlice>

  5. Procedure NOTAM Analysis • NOTAM set from EAD with NSC “P???” • Date Oct 20 2006, total number = 6731 • Most NOTAM (appr. 80%) simply change status • “…PROC NOT AVLB… EXPECT RADAR VECTOR…” • “…PROC CHANGED. REF AIP…” • Procedure NOTAM with “real” changes • OCA/OCH • Segment/Leg altitudes • Minima • Wrong NSC! • Very few with more complex content: (A0711/06 NOTAMN Q) EYVL/QPICH/I /NBO/A /000/999/5438N02517E010 A) EYVI B) 0612210001 C) PERM E) ILS AND NDB (GPS) APCH RWY 10 FROM ROBEL INT CHANGED AS FLW: LEAVE ROBEL AT 6000. WHEN CROSSING R274 ERF/ BRG 091DEG ERT (WP DE014) TURN RIGHT TO FINAL DESCENDING TO 5000. REST REMAINS UNCHANGED.)

  6. Procedure Data Availability • AIS procedure data is hard to find • Rarely any procedure data published in other form than charts • Rarely any NOTAM with “real” changes to procedures Why? • No generic procedure model available • NOTAM free text form inappropriate for redefining a procedure DUE VOR/DME SPL NOT AVBL, INSTR APCH PROC AND COM FAILURE PROC ALL RWY CHANGED: USE VOR/DME AMS INSTEAD OF VOR/DME SPL. COM FAILURE PROC RWY 09, 18R, 22 AND 36C: SUBSTITUTE FIXES ON OUTBOUND TRACKS BASED ON VOR/DME SPL BY FIXES BASED ON VOR/DME AMS WITH SAME BEARING AND DISTANCE. MISSED APCH PROC RWY 18R: AMEND DO NOT OVERSHOOT SPL 240 TO READ DO NOT OVERSHOOT AMS 240. CONTINUE MISSED APCH ON RDL AMS 280. MISSED APCH PROC RWY 36R: AMEND EH637 2.8 SPL TO READ EH637 3.8 AMS. MAINTAIN 1500FT, WHEN PASSING EH637 CLIMB TO 2000FT. MISSED APCH PROC RWY 18C: AMEND EH638 5.3 SPL TO READ EH638 5.4 AMS. MAINTAIN 1500FT, WHEN PASSING EH638 CLIMB TO 2000FT.

  7. Scenario – Temporary Restricted Airspace affects RNAV approach Frankfurt/Main (EDDF): RNAV (GPS) RWY 07L

  8. AIXM Processor • Process AIXM files • Integrate into DB AIP Procedure Data AIXM Procedure DB • PxP* • Pilot Procedure Selection • Proc Data Extraction • xNOTAM Functionality Procedure data (internal format) AIXM XML messages (digital NOTAM and others) AIXM Database and Display Application: Architecture MINIMUM ALTITUDE FROM LANUM ON R315 KLF TO 48.0 DME KLF TO READ 5000 *Procedure xNOTAM Processor

  9. digital NOTAM Baseline Delta Database Architecture and User Interaction • Database stores baseline and delta data • Baseline DB initially loaded with procedure data (from AIP) • Decoded digital NOTAMs are written to Delta DB • Choice between primary and temporary view Database

  10. Implementation of AIXM Procedure DB • Step 1: Strip down AIXM5 CM to necessary elements (classes, attributes, associations) • Step 2: Derive relational model from UML class model • Manual process, automatic processing with Rose Data Modeler did not yield satisfying results • Step 3: Implement relational model in DBMS • Choice was PostgreSQL due to its good spatial support • Manual creation of tables, attributes, keys

  11. Status / Next Steps • Implementing AIXM database and software • AIXM Processor • PxP • Display application digital NOTAM extensions • May 2007: Final Demonstration • Outcomes • AIXM Procedure Database implementation documentation • Procedure model investigation/verification report • Recommendations to improve AIXM support for Procedure NOTAMs • Cockpit simulation demonstration movie

  12. Questions?!

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