enhanced low vision operations · 2019. 8. 19. · cat i cat ii cat iii precision approach...
TRANSCRIPT
ENHANCED LOW VISION OPERATIONS
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THE GOAL
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MOVING TOWARD ‘VFR LIKE AIRSPACE’
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• 4D AIRSPACE
APPROACHES TODAY
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ALL HAVE A DECISION POINT PRIOR TO THE RUNWAY THRESHOLD.
LEGACY APPROACHES
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Flare Roll
Take-off
CAT I CAT II CAT III
Precision Approach Visibility Categories Non- Precision
Approaches
MDA 200 DH
2400 RVR 100 DH
1200 RVR
50 DH
600 RVR
Missed Approach Procedure
required if runway not in sight at DH
Instrument
Segment
Visual
Segment
PBN APPROACHES
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Flare Roll
Take-off
Decision Points
Procedure
Decision Alt (DA)
Missed Approach Procedure
required if runway not in sight at DA
PBN
Approaches
200 DA
2400 RVR
FUTURE APPROACH TOOLS
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Flare Roll
Take-off
ILS CAT I
Precision Approach Visibility Categories Non- Precision
Approaches
DA or
MDA
Missed Approach Procedure
required if runway not in sight at DP
PBN
Approaches
New Instrument & Visual Tools
200 DH
2400 RVR
COMMON ELEMENTS
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*Assuming other weather conditions do not supersede and the runway is available.
ENHANCING PBN
GBAS
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EFVS
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SVGS
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MMR
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SURFACE
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Courtesy of Honeywell
Courtesy of Eurocontrol
NAVIGATION & VISUAL ENHANCEMENT
Courtesy of Elbit Systems
Courtesy of FlyRealHUDs
GBAS
• SATELLITE BASED GLS EQUIVALENT OF ILS WITH SINGLE GROUND FACILITY AT
EACH AIRPORT
• GBAS, AN ICAO TERM, IS LOCAL AREA AUGMENTATION.
• AIR CARRIERS PARTIALLY EQUIPPED OR PROVISIONED
• 24 GAST-C LOCATIONS WW (US HAS EWR, HOU & 2 BOEING
FACILITIES)
• FUTURE GAST-D EQUIVALENT TO ILS CAT III
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GPS BASED AUGMENTATION SYSTEMS
EFVS
• USES ‘OPAQUE SCENE’ BUSTING TECHNOLOGY
• INFRARED, MULTI-SPECTRAL CAMERAS AND MILLIMETER WAVE
• MUST USE HEAD UP DISPLAY (HUD) FOR CREDIT
• FUTURE DUAL HUDS BUT MAY BE WEARABLE
• CAN BE COMBINED VISION INCLUDING USE OF SYNTHETIC VISION
• MUST INCLUDE CRITICAL FLIGHT FUNCTIONS ON HUD
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ENHANCED FLIGHT VISION SYSTEMS
CURRENT EFVS
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Flare Roll
Take-off
100 DH
1200 RVR
Missed Approach Procedure required if runway not in sight at DH
1/3 RVR
credit in EU
‘APPROACH TO LAND, TOUCHDOWN & ROLL-OUT’
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ENHANCED FLIGHT VISION SYSTEMS
NEW EFVS RULE INITIAL WITH APPROACH BAN CLEARANCE
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Flare Roll
Take-off
1000 RVR
Missed Approach Procedure required if runway not in sight at DH
NEW EFVS RULE GOAL
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Flare Roll
Take-off
ILS - GBAS – SVGS – MMR
Precision Approach Visibility Categories PBN
Approaches
Missed Approach Procedure required if runway not in sight at DP
SVGS
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• INCLUDES ASSOCIATED IRS AND GPS INPUTS
• USES HUD SYMBOLOGY AS PRECISION GUIDANCE
• CAN BE HEAD-DOWN OR HEAD-UP
• FLIGHT PATH VECTOR TO THE TOUCH DOWN ZONE
• INITIAL BENEFIT EXPECTED TO BE 1800 RVR (150 DH)
SYNTHETIC VISION GUIDANCE SYSTEMS
ANTICIPATED SVGS APPROACHES
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Flare Roll
Take-off
PBN Decision Points
Procedure
Decision Alt (DA)
Missed Approach Procedure
required if runway not in sight at DA
PBN
Approaches
150 DA
1800 RVR
MMR
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• ALL PRIMARY NAVAIDS IN ONE ASSEMBLY
• IMPROVED AND NEW DME (FUTURE)
• UPGRADED GPS (‘LAAS LIKE’)
• ONBOARD PRECISION APPROACH CAPABILITY – NO INFRASTRUCTURE
• RELYING ON UPGRADED AND ADDITIONAL SATELLITES
• POST 2020
MULTI-MODE RECEIVERS
SURFACE
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SURFACE MOVEMENT GUIDANCE CONTROL
ISSUES 1
• GPS VULNERABILITY
• UNINTENTIONAL AND DELIBERATE INTERFERENCE
• BACK UP REQUIRED SUCH AS DME
• INFRASTRUCTURE & AIRCRAFT EQUIPAGE
• FUNDING, OPERATOR COST, PRICES MUST COME DOWN
• ABILITY TO USE NEW TECHNOLOGIES & PROCEDURES
• IF EQUIPPED AND ALLOWED, CONTROLLERS TO ENABLE
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SAFETY IS ASSUMED AS THE NUMBER ONE CONCERN NOW AND GOING FORWARD
ISSUES 2
• EFVS PREDICTABILITY
• NEW TECHNOLOGY AND ‘BLENDING’ WILL RELIABLY SEE THE REQUIRED VISUAL CUES
• HARMONIZATION
• BEING ABLE TO USE ELVO WORLD WIDE UNDER THE SAME RULES & GUIDANCE
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SAFETY IS ASSUMED AS THE NUMBER ONE CONCERN NOW AND GOING FORWARD
THANK YOU
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