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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060">Hello All:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060">See the below email and drafts for the upcoming IPS Subcommittee meeting.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-family:"Arial",sans-serif;color:#002060">Sam Buckwalter<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060">AEEC Executive Secretary<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060">Lead Principal Engineer<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060">ARINC Industry Activities an SAE ITC Program<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060">m 1+443.454.0584<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#002060"><a href="mailto:sam.buckwalter@sae-itc.org"><span style="color:#0563C1">sam.buckwalter@sae-itc.org</span></a><o:p></o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Olive, Michael L <mike.olive@honeywell.com> <br>
<b>Sent:</b> Sunday, February 12, 2023 6:38 PM<br>
<b>To:</b> Sam Buckwalter <Sam.Buckwalter@sae-itc.org><br>
<b>Cc:</b> luc.emberger <luc.emberger@airbus.com>; Saccone (US), Gregory T <Gregory.T.Saccone@boeing.com><br>
<b>Subject:</b> A858s1 Parts1&2 pre-M26<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Sam,<o:p></o:p></p>
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<p class="MsoNormal">Attached are the latest draft versions of A858s1 Part 1 (d1-03) and Part 2 (d1-03) with additional input for discussion during Meeting 26 in PHX. These files and the latest action item list are posted on the AEEC IPS Teams site as well.<o:p></o:p></p>
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<p class="MsoNormal">As previously requested by AEEC, these supplement documents retain all redline changes, and the most recent redline changes are shown using
<span style="color:red;background:yellow">yellow</span>-highlighting. For Parts 1 and 2, the following tables summarize the changes in this version, which include updates per discussions during Meeting 25 as well updates to address open action items.<o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><b><span style="color:black;background:#D9D9D9">858P1s1d1-03_20230208 (DRAFT - pre-M26).pdf</span></b><span style="color:black;background:#D9D9D9"> – Part 1, Airborne IPS System Technical Requirements</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="display:none"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black;background:#D9D9D9">Section</span></b><o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><b><span style="color:black;background:#D9D9D9">Action Item</span></b><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:black;background:#D9D9D9">Change</span></b><o:p></o:p></p>
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<p class="MsoNormal"><b>1.3.3</b><o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:#0070C0">--</span><o:p></o:p></p>
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<p class="MsoNormal">New section with proposed requirement statement conventions (same text in Parts 2 and 3), based on discussion with Sam regarding similar section in other AEEC standards.<o:p></o:p></p>
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<p class="MsoNormal"><b>4.4.1.1.5</b><o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:#0070C0">P1-M17-02
<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:#0070C0">P1-S01-17<o:p></o:p></span></p>
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<p class="MsoNormal">Updated Trust Anchor and Certificate Validation section with new text provided by Rob Segers (FAA) that was reviewed jointly during the joint AEEC – RTCA/EUROCAE discussions.<o:p></o:p></p>
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<p class="MsoNormal"><b>Attachment 3 – </b><o:p></o:p></p>
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<p class="MsoNormal"><b>3.1.1.1, </b><o:p></o:p></p>
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<p class="MsoNormal"><b>3.2 Figure 3-4, 3.2.3.2, </b><o:p></o:p></p>
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<p class="MsoNormal"><b>3.3 Figure 3-5, 3.3.3.2</b><o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:#0070C0">P1-M24-01</span><o:p></o:p></p>
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<p class="MsoNormal">Changes to text/figures to reflect the AEEC IPS decision on action P2-M23-02 to include both FlightID and Tail Number in the Peer IDs for ACARS-based messages.<o:p></o:p></p>
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<p class="MsoNormal"><b>Attachment 3 – </b><o:p></o:p></p>
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<p class="MsoNormal"><b>3.1.2.2 Figure 3-2</b><o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:#0070C0">--</span><o:p></o:p></p>
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<p class="MsoNormal">Uncompressed Application Data Format figure updated to correctly reflect inclusion of MSN in downlink messages. MSN was added previously (prior to publishing A858p1) to the User Data, but this figure was not updated accordingly.<o:p></o:p></p>
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<p class="MsoNormal"><b>Appendix A –</b> <o:p></o:p></p>
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<p class="MsoNormal"><b>Figures A-2 thru A-14,</b><o:p></o:p></p>
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<p class="MsoNormal"><b>A-8</b><o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:#0070C0">P1-M24-02</span><o:p></o:p></p>
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<p class="MsoNormal">All example ATNPKT diagrams updated to reflect ICAO WG-I agreement to expand N(R) and N(S) to 8 bits each; AND the AEEC IPS decision on action P2-M23-02 to include both FlightID and Tail Number in the Peer IDs for ACARS-based messages.<o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><b><span style="color:black;background:#D9D9D9">858P2s1d1-03_20230208 (DRAFT - pre-M26).pdf</span></b><span style="color:black;background:#D9D9D9"> – Part 2, IPS gateway Air-Ground Interoperability</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="display:none"><o:p> </o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><b><span style="color:black;background:#D9D9D9">Action Item</span></b><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:black;background:#D9D9D9">Change</span></b><o:p></o:p></p>
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<p class="MsoNormal"><b>1.3.3</b><o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:#0070C0">--</span><o:p></o:p></p>
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<p class="MsoNormal">New section with proposed requirement statement conventions (same text in Parts 1 and 3), based on discussion with Sam regarding similar section in other AEEC standards.<o:p></o:p></p>
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<p class="MsoNormal"><b>4.3.1, Table 4-1, Figure 4-2,</b> <o:p></o:p></p>
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<p class="MsoNormal"><b>4.3.2, Table 4-2, Figure 4-3</b><o:p></o:p></p>
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<p class="MsoNormal"><b>4.4.1, Table 4-3</b><o:p></o:p></p>
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<p class="MsoNormal"><b>4.4.2, Tables 4-4, 4-5</b><o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:#0070C0">P2-M22-02</span><o:p></o:p></p>
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<p class="MsoNormal">Example downlink/uplink messages and associated text/tables updated to reflect ICAO WG-I agreement to expand N(R) and N(S) to 8 bits each; AND the AEEC IPS decision on action P2-M23-02 to include both FlightID and Tail Number in the Peer
IDs for ACARS-based messages. <o:p></o:p></p>
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<p class="MsoNormal">(Thanks Fryderyk!)<o:p></o:p></p>
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<p class="MsoNormal"><b>4.x</b><o:p></o:p></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:#0070C0">P2-M23-02</span><o:p></o:p></p>
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<p class="MsoNormal">AEEC IPS decision to include both FlightID and Tail Number in the Peer IDs for ACARS-based messages. This change is addressed in Part 1 (P1-M24-01, P1-M24-02) and in Part 2 (P2-M22-02).<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">I will be sending PP858 Part 3 via separate email.<o:p></o:p></p>
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<p class="MsoNormal">Thanks for distributing this information to the AEEC IPS participants.
<o:p></o:p></p>
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<p class="MsoNormal">Mike<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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