CARSAM ATN GNSS SEMINAR VARADERO, CUBA 8 MAY 2002

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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
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OVERVIEW

• 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

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OCP 12 OUTCOMES-BASIC GNSS

• RESULTS INCLUDED IN PANS OPS AMENDMENT 12
• Effective November 2001

• 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

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OCP 12 OUTCOMES-BASIC GNSS

• 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

• BAROMETRIC VNAV CRITERIA
• LNAV/VNAV
• Criteria Will Be Updated at OCP-13

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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

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CURRENT OCP ACTIVITIESBASIC GNSS

• 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)

• PANS OPS VOL. I
• Update Pilot Information on Multi-Sensor RNAV
• Include Information on Barometric VNAV Procedures

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CURRENT OCP ACTIVITIESBASIC GNSS

• 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

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CONVAIR COLD TEMP TESTING
Dual Element Temp. Probe Air Data Sensor
Static Source (2)
Pitot Tube (2)
VNAV SENSOR ELEMENTS
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COMPARISON WITH PANS OPSALTITUDE ERROR FOR 10oC
Notes All Values In Feet HAA Height Above
Airport
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COMPARISON WITH PANS OPSALTITUDE ERROR FOR 20oC
Notes All Values In Feet HAA Height Above
Airport
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Steeper than Standard Lapse Rate
Lapse Rate Lessens Close to Surface Conserv
ative Error In GPA Close to DA Excellent
Compensated Performance
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BASIC GNSS HELICOPTERPOINT-IN-SPACE PROCEDURES
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CURRENT OCP ACTIVITIES-SBAS

• SATELLITE BASED AUGMENTATION SYSTEM (SBAS) VOL. I
  MATERIAL DRAFTED
• SBAS VOL. II MATERIAL
• SBAS Precision Approach Criteria
• SBAS Terminal Criteria

• 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 lt VAL lt 50 m)

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CURRENT ACTIVITIES-GBAS

• 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

• GROUND BASED AUGMENTATION SYSTEM (GBAS) VOL. II
  MATERIAL
• Precision Approach Criteria
• Use of ILS Cat. I Collision Risk Model for GBAS
  Procedure
• Design

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CURRENT ACTIVITIESILS EQUIVALENCY

• 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)

• RESPONSE FROM 2 STATES AND 1 ORGANIZATION
• RESULT EQUIVALENCE DEMONSTRATED
• Criteria to be Based on Existing ILS Criteria

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KING AIR GPS INSTALLATION
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EUROCONTROL/UK NATS GBAS TRIALS
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OTHER CURRENT ACTIVITIES

• 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

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PLANS FOR OCP - 13

• 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

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PLANS FOR OCP - 13

• DESCRIPTION OF NEW SURFACE CALLED THE VISUAL
  PROTECTION SURFACE FOR VERTICALLY GUIDED
  APPROACHES
• ADMENDMENT OF BASIC GNSS BAROMETRIC VNAV CRITERIA

• 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