ARINC DlkRptJan21

Data Link (DLK) Systems Subcommittee Meeting Report, January 2021

Last Published: 
Wednesday, March 31, 2021

Data Link (DLK) Systems Subcommittee Meeting Report. Meeting held January 26-29, 2021, Online Meeting.

The AEEC Data Link Systems (DLK) Subcommittee met jointly with RTCA SC-214 and EUROCAE WG-92. The meeting was conducted online. Follow-up sessions on the topic of Connectionless VDL Mode 2 (VDLM2) were held on February 22, and March 11, 2021.

The DLK Systems Subcommittee reviewed inputs for:

  • Supplement 9 to ARINC Specification 618: Air-Ground Character-Oriented Protocol Specification
  • Supplement 9 to ARINC Specification 631: VHF Digital Link (VDL) Mode 2 Implementation Provisions

The status and schedule of the following VDL Mode 2 Industry Documents were also reviewed:

  • EUROCAE ED-92D: Minimum Operational Performance Standards (MOPS) for Aircraft VDL Mode 2 Physical Link and Network Layer
  • RTCA DO-281D: Minimum Operational Performance Standards (MOPS) for Aircraft VDL Mode 2 Physical Link and Network Layer
  • RTCA DO-224E: Signal-in-Space Minimum Aviation System Performance Standards (MASPS) for Advanced VHF Digital Data Communications Including Compatibility with Digital Voice Techniques

The DLK Systems Subcommittee concurred that:

  • A mature draft of Supplement 9 to ARINC Specification 618 is expected by May 2022.
  • A mature of Supplement 9 to ARINC Specification 631 is expected by December 2022.

An ARINC 750 VHF Digital Radio’s channel sensing session was held.

The group reviewed and updated the VDL Operational Issues to be Standardized, the IPS requirements matrix and the Action Items List.

The next Data Link Systems Subcommittee online meetings are scheduled for April 6 and June 1-4, 2021.

Please consult with RTCA and EUROCAE for information on RTCA SC-214/EUROCAE WG-92 activities during this meeting (e.g., Review of: RTCA DO-224 (MASPS), EUROCAE ED-92D/RTCA DO-281D (MOPS), etc.).

The handout materials from this meeting are reproduced as attachments to this report.

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