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CAR/SAM ATN GNSS SEMINAR VARADERO, CUBA 8 MAY 2002

CAR/SAM ATN GNSS SEMINAR VARADERO, CUBA 8 MAY 2002. PROCEDURES FOR AIR NAVIGATION SERVICES- OPERATIONS (PANS OPS ICAO DOC. 8168) Barry Billmann Federal Aviation Administration. Presentation GNSS 6.1. RESULTS OF OBSTACLE CLEARANCE PANEL (OCP-12) MEETING JULY 1999 CONCERNING GNSS

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CAR/SAM ATN GNSS SEMINAR VARADERO, CUBA 8 MAY 2002

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  1. CAR/SAM ATN GNSS SEMINARVARADERO, CUBA8 MAY 2002 PROCEDURES FOR AIR NAVIGATION SERVICES- OPERATIONS (PANS OPS ICAO DOC. 8168) Barry Billmann Federal Aviation Administration Presentation GNSS 6.1

  2. RESULTS OF OBSTACLE CLEARANCE PANEL (OCP-12) MEETING JULY 1999 CONCERNING GNSS CURRENT OCP ACTIVITIES REGARDING GNSS AND AUGMENTED GNSS ILS EQUIVALENCE METHODOLOGY FOR CRITERIA DEVELOPMENT BAROMETRIC VNAV GOALS FOR OCP 13 OVERVIEW

  3. RESULTS INCLUDED IN PANS OPS AMENDMENT 12 Effective November 2001 OCP 12 OUTCOMES-BASIC GNSS • PANS OPS VOL. I (PILOT INFORMATION) • Chapter 7 Part II Basic GNSS Procedures • Equipment Operational Characteristics • Equipment Performance Characteristics • Annex 10 Information Augmented with RTCA DO - 208 • VOL. I MATERIAL TO BE UPDATED WITH AMENDMENT 13 • OTHER PRODUCTS – CHARTING AND PROCEDURE NAMING

  4. PANS OPS VOL. II CRITERIA BASED ON ANNEX 10 PERFORMANCE & BASIC GNSS AVIONICS REQUIREMENTS BASIC GNSS RNAV CRITERIA Non-Precision Approach (LNAV) Departure Criteria Terminal Arrival Criteria OCP 12 OUTCOMES-BASIC GNSS • BAROMETRIC VNAV CRITERIA • LNAV/VNAV • Criteria Will Be Updated at OCP-13

  5. OCP 12 OUTCOMES-BASIC GNSS • GNSS RNAV CRITERIA USES BOTH ACCURACY AND INTEGRITY PERFORMANCE REQUIREMENTS • Criteria is Tighter than DME/DME RNAV or VOR/DME Criteria • Uses Linear Nature of GNSS Navigation System Error • US TERPS & PANS OPS CRITERIA CONSISTENCY • Differences in Barometric VNAV Surfaces

  6. FOCUS IS ON VERTICALLY GUIDED APPROACHES IN RESPONSE TO ICAO CFIT INITIATIVE DEVELOPMENT OF VISUAL PROTECTION SURFACE FOR VERTICALLY GUIDED APPROACHES Similar to US TERPS Glideslope Qualification Surface (GQS) CURRENT OCP ACTIVITIESBASIC GNSS • PANS OPS VOL. I • Update Pilot Information on Multi-Sensor RNAV • Include Information on Barometric VNAV Procedures

  7. COLD TEMPERATURE COMPENSATION INFORMATION FOR BAROMETRIC VNAV PROCEDURES IN VOL. I & II PANS OPS VOL. II AMENDMENTS Update Barometric VNAV Criteria Closer to US TERPS Criteria Visual Protection Surface For Vertically Guided Approaches Slightly Steeper than Annex 14 Surface CURRENT OCP ACTIVITIESBASIC GNSS

  8. CONVAIR COLD TEMP TESTING Dual Element Temp. Probe & Air Data Sensor Pitot Tube (2) Static Source (2) VNAV SENSOR ELEMENTS

  9. COMPARISON WITH PANS OPSALTITUDE ERROR FOR –10oC Notes: All Values In Feet HAA = Height Above Airport

  10. COMPARISON WITH PANS OPSALTITUDE ERROR FOR –20oC Notes: All Values In Feet HAA = Height Above Airport

  11. Steeper than Standard Lapse Rate: Lapse Rate Lessens Close to Surface “Conservative” Error In GPA Close to DA & Excellent Compensated Performance

  12. BASIC GNSS HELICOPTERPOINT-IN-SPACE PROCEDURES

  13. SATELLITE BASED AUGMENTATION SYSTEM (SBAS) VOL. I MATERIAL DRAFTED SBAS VOL. II MATERIAL SBAS Precision Approach Criteria SBAS Terminal Criteria CURRENT OCP ACTIVITIES-SBAS • SBAS VOL. II MATERIAL DIFFERENTIATING BAROMETRIC VNAV PERFORMANCE FROM SBAS VERTICAL PERFORMANCE • NEW SBAS APPROACH PERFORMANCE SERVICE - LPV • Lateral Performance Equivalent to Localizer (HAL = 40 m) • Vertical Performance (20 m < VAL < 50 m)

  14. GROUND BASED AUGMENTATION SYSTEM (GBAS) VOL. I MATERIAL Differences Between SBAS and GBAS ILS Look Alike Performance on Final Approach Segment Lateral & Vertical Deviations and Distance to Threshold CURRENT ACTIVITIES-GBAS • GROUND BASED AUGMENTATION SYSTEM (GBAS) VOL. II MATERIAL • Precision Approach Criteria • Use of ILS Cat. I Collision Risk Model for GBAS Procedure Design

  15. DEMONSTRATE GBAS AND SBAS ACCURACY PERFORMANCE EQUIVALENT TO CAT. I ILS OCP-12 REPORT DESCRIBED METHODOLOGY Well Structured Flight Tests TSE Performance Per Collision Risk Model Manual TSE, FTE, NSE Performance Per RNP Manual For Approach, Landing & Departure Operations (Draft) CURRENT ACTIVITIESILS EQUIVALENCY • RESPONSE FROM 2 STATES AND 1 ORGANIZATION • RESULT: EQUIVALENCE DEMONSTRATED • Criteria to be Based on Existing ILS Criteria

  16. KING AIR GPS INSTALLATION

  17. EUROCONTROL/UK NATS GBAS TRIALS

  18. DEVELOP CRITERIA SPECIFICALLY FOR BAROMETRIC VNAV DEVELOP SBAS TERMINAL CRITERIA THAT IS MORE STRINGENT THAT BASIC GNSS TERMINAL CRITERIA FINALIZE SBAS APPROACH PERFORMANCE LEVELS GNSS PANEL OBSTACLE CLEARANCE PANEL OPERATIONS PANEL OTHER CURRENT ACTIVITIES

  19. MEETING IN MONTREAL IN OCTOBER 2002 RESULTING AMENDMENTS TO BE EFFECTIVE NOVEMBER 2004 PANS OPS VOL. I AMENDMENTS FOR: Basic GNSS with Barometric VNAV SBAS Performance Levels GBAS Described as ILS Look Alike Procedure PLANS FOR OCP - 13

  20. DESCRIPTION OF NEW SURFACE CALLED THE VISUAL PROTECTION SURFACE FOR VERTICALLY GUIDED APPROACHES ADMENDMENT OF BASIC GNSS BAROMETRIC VNAV CRITERIA PLANS FOR OCP - 13 • SBAS AMENDMENTS • Terminal and Precision Approach Criteria • OTHER ACTIVITIES • Precision and “LOC” Only Criteria • Use of Cat. I ILS Collision Risk Model • Helicopter Point-in-Space Criteria

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