TERMS OF REFERENCE Special Committee (SC) 222 AMS(R)S Systems Revision 10

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1 13, 2018 REQUESTORS: TERMS OF REFERENCE Special Committee (SC) 222 AMS(R)S Systems Revision 10 Inmarsat Iridium Organization Person Alan Schuster-Bruce Michael W. Hooper SC LEADERSHIP: Position Name Affiliation Telephone Change Chairmen RTCA SC-222 EUROCAE WG- 82 Dr. E.F.C. LaBerge Armin Schlereth EFC LaBerge Engineering & Analysis, LLC and UMBC, DFA GmbH (h) (m) (UMBC) gmail.com Government Authorized Representative Steve Van Trees FAA HQ /AIR-6B Secretary John Bard Thales Group com BACKGROUND: Any pertinent information that will serve to guide the committee. AMSS satellite communications include as a required sub-class the safety (route) services designated as AMS(R)S. AMS(R)S services are used for CPDLC, ADS-C and FANS 1/A operations in oceanic airspace. The FAA has considered Swift Broadband (SBB) services for use in the Future Communication System. Recent FCC-sanctioned negotiations between Inmarsat and Ligado, previous MSV, Inc and Light Squared, regarding the use of the mid-l-band satellite spectrum for Ancillary Terrestrial Component (ATCt) will affect the minimum performance characteristics of Inmarsat and Iridium aeronautical terminals. 1

2 13, 2018 The activities of SC-215 regarding Iridium avionics have identified several known shortcomings regarding the definition of antenna intermodulation and environmental test redundancy in the existing relevant MOPS document DO-210D. The changes proposed by this effort, as modified by relevant meetings as indicated in the delivery schedule, affect the existing and next generation satellite communication equipment and services specified by DO-210D, DO-262, and DO-270 and Annex 10 of the ICAO SARPs. The planned launch by Iridium of a replacement satellite system began in All current legacy Iridium devices are forward compatible with Iridium NEXT satellites but new transceiver designs and satellite waveforms are intended to enable enhanced capabilities for aviation as specified by DO-262, DO-343 and Annex 10 of the ICAO SARPs. RTCA SC-222 is a joint committee with EUROCAE Working Group 82 (WG-82) and they will jointly develop Satcom Performance Class B functional and required communication technical performance, including ATN/IPS, while also addressing related issues for future applications, such as security issues, dual satellite dissimilar simultaneous operation interference issues, VoIP, potential interference from outside sources. SC-222 will also monitor WG-82 progress toward Satcom Performance Class A requirements and techniques, and will report to PMC with recommendations when appropriate. RTCA SC-222 will also support the ISRA with SC-228 regarding use of L-Band Satcom systems for the UAS C2 application. EUROCAE WG-82 has been tasked to develop standards relative to new air-ground data link technologies including three components (airport surface, satellite and en route/tma L band systems. Support/participation: Airbus, ARINC, Boeing, Cobham SATCOM, ComDev, EMS, FAA Aircraft Certification, FAA Spectrum, Honeywell, Inmarsat, Iridium, Ligado (formerly Light Squared, formally SkyTerra, formerly MSV), Rockwell Collins, SITA, Bombardier, Thales, Garmin, Avionica, Aircell, FLYHT. DELIVERABLES: Product Description Due Date Change 1) DO-343A, Change 1 System level MASPS, to include System Specific Attachment(s) from Iridium, delivery of VoIP via VPN for Inmarsat SBB, and inclusion of derived security requirements. February DO-343B and ) DO-262C, Change 1 Airborne equivalent MOPS, to include Technique Specific Normative Appendix from Iridium, delivery of VOIP via VPN for Inmarsat SBB, and inclusion of derived security objectives. February DO-262D and

3 13, ) DO-343B Update of Appendix B to reflect new frequency and power plan for ATCt and LTE and new System Specific Attachment(s) from Iridium. 4) DO-262D Update of terminal specification for SBB terminals for immunity to LTE and ATCt blocking interference and to include Technique Specific Normative Appendix from Iridium 5) DO-343B, Change 1 System level MASPS to include ATN/IPS, VoIP, and dual dissimilar operation required communication technical performance (RCTP) functionality, and IRIDIUM service capability ) DO-262D, Change 1 Airborne equivalent MOPS to include ATN/IPS, VoIP, and dual dissimilar operation functionality ) DO-210D, Change 5 Update of terminal specification for SBB terminals for immunity to LTE and ATCt blocking interference. SCOPE: The Special Committee recommendations will determine and implement the changes and amendments to DO-210, DO-262, DO-270 and DO-343 necessary to accomplish the goals and address the items set out in the previous section. The anticipated deliverable items are identified in the table above. ENVISIONED USE OF DELIVERABLE(S) ATCt Interference Model: The requirement to produce this document was deleted by PMC action on March 21, If such a model is still relevant and necessary, it should be included in the Swift Broadband specific material. This document was included in DO343. DO-343: This material will serve as a generic MASPS for communication service provider certification or approval of AMS(R)S, in accordance with the applications, requirements, and allocations of the ICAO GOLD and ICAO PBCS 9869 document. The MASPS provides the required communication and required technical performance (RCP/RCTP) framework to justify requirements in the DO-262 MOPS material. It is anticipated that the original version of this 3

4 13, 2018 generic document will include technique-specific material for AMS(R)S using Swift Broadband and Iridium Next Certus. Technique Specific Material for DO-262: This material will serve as the MOPS for TSO of avionics equipment providing Swift Broadband or Iridium AMS(R)S, per relevant FAA Advisory Circular(s). The appendices for Satcom Performance Class (C) Classic Iridium and basic Swiftbroadband were completed in June Additional appendices are planned for Satcom Performance Classes (B) and (A) Swiftbroadband and next-generation Iridium in conjunction with cooperative work with EUROCAE WG-82. These deliverables are expected to be referenced at ICAO level for the global SATCOM SARPS and Technical Manual standards. SPECIFIC GUIDANCE: This paragraph is used to further define the committee s work program. Appropriate entries shall include specific issues to be addressed and specific tasks required to provide the committee s deliverables and existing reference documents to consider. Coordination should include: ICC Coordination The chairman of SC-222 is participating in informal coordination with representatives of SC-206, SC-223 and SC-228. EUROCAE Coordination This work will be worked in coordination with EUROCAE WG-82. Additional Coordination SC-222 will continue to coordinate closely with the plenary and working group meetings of the AEEC Air-Ground Communication Subcommittee (AGCS). Because many of the participants in AGCS are expected to be active in SC-222 as well, coordination for common meeting times and sites will encourage participation while reducing travel expenditures for participating organizations. PMC will be updated as work progresses by means of RTCA Digest and regular Chairmen s Reports, augmented as necessary by face-to-face presentations at scheduled PMC meetings. Initial Documentation. Documents RTCA DO-343 RTCA DO-262 Inmarsat SDM SBB documentation Iridium Normative Appendix to DO-262A Intended Use Guidance on preparation of technique-specific material Guidance on preparation of technique-specific material Used in crafting technique-specific material content for DO-3xx and DO-262 appropriate content for the technique-specific material. Documentation provided by Inmarsat and reviewed for potential proprietary content before release to SC-222 for review. Updates required to correct known technical errors and inconsistencies 4

5 13, 2018 ICAO COCR V 2.0 ICAO PBCS 9869 EUROCAE ED-228 EUROCAE ED-229 ICAO Communication Operating Concept Requirements Manual on Required Communication Performance (RCP) Safety and Performance Standard for Baseline 2 ATS Data Communication (Baseline 2 SPR Standard) Interoperability Requirements Standard for Baseline 2 ATS Data Communications (Baseline 2 Interop Standard) TERMINATION: Special Committee (SC) will terminate its activities when the Program Management Committee (PMC) approves changes, if any, proposed as a result of all of the tasks described above. 5

TERMS OF REFERENCE Special Committee (SC) 222 AMS(R)S Systems Revision 9

REQUESTORS: TERMS OF REFERENCE Special Committee (SC) 222 AMS(R)S Systems Revision 9 Inmarsat Iridium Organization SC LEADERSHIP: Position Name Affiliatio n Chairmen RTCA SC-222 EUROCAE WG- 82 Government