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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
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APPROACHES TODAY
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ALL HAVE A DECISION POINT PRIOR TO THE RUNWAY THRESHOLD.
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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
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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
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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
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COMMON ELEMENTS
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*Assuming other weather conditions do not supersede and the runway is available.
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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
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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
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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
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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
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‘APPROACH TO LAND, TOUCHDOWN & ROLL-OUT’
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ENHANCED FLIGHT VISION SYSTEMS
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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
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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
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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
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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
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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
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SURFACE
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SURFACE MOVEMENT GUIDANCE CONTROL
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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
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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
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THANK YOU
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