FAS Data-Block Tool Issues Meetings Seminars and...FAS Data-Block Tool Issues 2nd joint ICAO EUR PBN...
Transcript of FAS Data-Block Tool Issues Meetings Seminars and...FAS Data-Block Tool Issues 2nd joint ICAO EUR PBN...
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FAS Data-Block Tool Issues
2nd joint ICAO EUR PBN TF – EUROCONTROL RAiSG meeting
Rick FarnworthEUROCONTROL
12-14 March 2014
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ICAO PBN RAiSG 2
Summary
� Introduction to the Eurocontrol FAS DataBlock Tool and its functions� SBAS / GBAS FAS DB Differences� Lessons learned about some elements� Validation
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ICAO PBN RAiSG 3
Encode an SBAS FAS Data Block
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ICAO PBN RAiSG 4
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ICAO PBN RAiSG 5
Decode a Data Block - Hexadecimal
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ICAO PBN RAiSG 6
Decode a Binary File
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ICAO PBN RAiSG 7
SBAS and GBAS FAS Data Blocks
� Eurocontrol FAS DB Tool will focus on SBAS� For GBAS the needs are different.
� Note that GBAS and SBAS FAS Data Blocks are not the same� Different tools are therefore required.
� SBAS FAS DB include the VAL and HAL. � GBAS FAS DB do not include Alert Limits.
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ICAO PBN RAiSG 8
Operation Type
� PANS OPS Definition
� A number from 0 to 15 that indicates the type of the final approach segment. Example: 0 is coded for a straight-in approach procedure including offset procedures. (Codes for other procedures are reserved for future definition.)
� Note that “0” is the only valid input for both straight-in and offset procedures.
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ICAO PBN RAiSG 9
Reference Path Identifier (RPI
� Annex 10: the three or four alphanumeric characters used to uniquely designate the reference path.
� PANS OPS: A four-character identifier that is used to confirm selection of the correct approach procedure.
� System: E = EGNOS, W = WAAS, G = GAGAN� Runway Number: e.g. 27� Letter: A for the 1st procedure B for the 2nd etc. excluding L, R, C.
� Example: E27A
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ICAO PBN RAiSG 10
Route Indicator
� A single alpha character (Z to A or blank, omitting I and O) used to differentiate between multiple final approach segments to the same runway or heliport. The first approach to a runway is labelled “Z”. Additional alpha characters are incrementally assigned.
� Only used if multiple RNP Approach procedures are published. Normally this field is left blank.
� Chart Title Examples: � Single procedure: RNAV(GNSS) RWY 35, RI field blank� Multiple procedures: RNAV(GNSS) Z RWY 35, RI field = Z
� A second procedure requires a new FAS DataBlock – The RI and RPI fields change and a new SBAS Channel number is required even though the final segment may be identical.
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ICAO PBN RAiSG 11
Validation of the FAS DB Tool
� How has the Tool been validated – against which regulatory documents?� There are no regulatory documents specifically applicable to such tools. � The tool has been validated and a report has been made available to
RAiSG participants.
� The tool has been used extensively and has proved to be correct
� Electronic Transfer of FAS DB. � PANS OPS requires FAS DB to be stored as a binary string and
transferred electronically.
� Processes between procedures design organisations and data houses do not exist to accommodate such electronic transfer.
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ICAO PBN RAiSG 12