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RTCA SC214/VDLSG Status Update. Dongsong Zeng– VDLSG Chair. VDLSG Background. VDL2 Multi-frequency enhancement is needed to support NextGen and SESAR VDLSG/WG92 work jointly to update the VDL2 standards to include multi-frequency improvements that are aligned with A631-6

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rtca sc214 vdlsg status update

RTCA SC214/VDLSG Status Update

Dongsong Zeng– VDLSG Chair

vdlsg background
VDLSG Background
  • VDL2 Multi-frequency enhancement is needed to support NextGen and SESAR
  • VDLSG/WG92 work jointly to update the VDL2 standards to include multi-frequency improvements that are aligned with A631-6
    • DO-224C (RTCA Minimum Aviation System Performance Standard)
    • DO-281B (RTCA Minimum Operational Performance Standard)
    • ED-92B (EUROCAE MOPS)
    • ICAO Doc 9776 VDL2 Technical Manual
where we are in rtca
Where we are in RTCA
  • VDLSG in RTCA Organization Structure

We are here

PMC

Policy Board

Board of Director

……

SC-216

SC-214

SC-223

VSG

CSG

VDLSG

vdlsg schedule
VDLSG Schedule

A631-6 1/11

A631-5 12/08

MASPS, DO-224C

VDLSG Established 3/10

Publication

Apprvl12/11

FRAC Resol

10/11

FRAC Rels

4/11

MOPS, DO-281B (ED-92B)

Publication Apprvl 3/12

FRAC Rels 10/11

Eurocontrol/SITA Validation 5/11

FRAC Resol 1/12

ICAO Doc 9776

Doc.9776 Edition 2 Review Complete Fall/12

AP # 310 6/12

key multi frequency improvements
Key Multi-frequency Improvements
  • Air - Ground frequencies are separated
    • Before: CSC, non-CSC
    • After: CSC, air, ground
  • When aircraft changes from ground to air, it will switch to an air frequency if it is available, and vice versa.
  • Frequency support list management is added to MASPS
  • FSL related test cases are added to MOPS
  • Autotune is updated for multiple-frequency
  • Aircraft Requested Ground Initiated handoff is removed
do 224c masps status
DO-224C MASPS Status
  • Draft DO-224C
    • VDL2 multi-frequency is updated to align with A631-6
    • Approved for Final Review And Comment in Plenary 12, Berlin, April, 2011
    • Received a total of 21 FRAC comments
    • VDLSG/WG92 collectively resolved all 21 FRAC comments by September 2011
    • SC-214 Approved DO-224C in Plenary 13, Paris, September 2011
    • PMC approved DO-224C publication in December 2011
do 281b status
DO-281B Status
  • DO-281B
    • Aligned with DO-224C and A631-6
    • Approved for FRAC in October, 2011
    • Received a total of 76 FRACs
    • VDLSG/WG92 collectively resolved all FRACs by Jan 30, 2012
    • PMC publication approval in March 2012
  • ED-92B
    • Technical content same as DO-281B, with different traceability references
    • Similar publication schedule (EUROCAE Technical Council can approve it at anytime)
icao tech manual update
ICAO Tech Manual Update
  • ICAO Doc 9776 VDL2 Technical Manual is the international VDL2 MASPS
  • Need to align with DO-224C, DO-281B, ED-92B and A631-6
  • Amendment Proposal (AP # 310), initiated by Pete Muraca, proposes changes to align tech manual with DO-224C and A631-6
  • VDLSG/WG-92/DLK completed review of AP # 310 intended for the ICAO ACP-WG-M-19 meeting in June 2012
  • VDLSG/WG-92/DLK plan to complete the review of ICAO ACP WG-M WP05 (Edition 2 to ICAO Doc 9776) before the next ICAO ACP-WG-M-20 meeting in the Fall of 2012
key issues for future vdl2 standard update
Key Issues for Future VDL2 Standard Update
  • During the VDL2 MASPS and MOPS update, we found a list of issues that need improvements in the future VDL2 standards update
  • Key issue areas
    • Frequency support list usage
    • Interactions between handoffs
    • Autotune response options
    • Means to reduce the use of poor SQP
    • Clarifications on missing and/or invalid parameters
joint dlk vdlsg wg92 work plan
Joint DLK/VDLSG/WG92 Work Plan
  • Continue supporting ICAO ACP WG-M for VDL2 standards update
  • Keep tracking multi-frequency issues arising from validation and operation
  • Start preparation for potential solutions
  • Contribute to AEEC VDL2 related standards update
  • Opening RTCA documents for revision is a decision for the PMC to make
  • Coordinate with DLK, FAA, SC-214, WG-92, and ICAO to work on next round MASPS and MOPS update once it is opened
  • The pace of meetings should be driven by the workload
  • RTCA SC-214 VDLSG will update its Terms of Reference to reflect this work plan
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