1. The ATN Avionics Vendors View

2. ATN2001 Sept 2001; p.2 PETAL-II Avionics

3. APM-900 ICAO Address Aircraft Type Tail Number Airline ID MCDU Advisory Display Message Display Downlink Composition VHF-920 VDL Mode A VDL Mode 2 CMU-900 ACARS VDL Mode 2 ATN Router CPDLC, CM EICAS ATC Advisory Chime PETAL-II VDL Mode 2 / ATN Avionics Architecture

4. ATN2001 Sept 2001; p.4 System Features v8208 Mobile SNDCF CLNP COTP FastByte COSP FastByte COPP Dialog Service IDRP Application Service Element (ASE) Controller Pilot Data Link Communications (CPDLC) Context Management (CM) SN-Map ARINC 750 Interface AOC Application AOC/AVLC Convergence Function VME/LME AVLC Airtel ULS Airtel AAR Satcom AOC VDL Mode 2 Satcom VHF AOC VDL Mode A HF AOC HFDR AOA CMU-900

5. ATN2001 Sept 2001; p.5 System Deployment n VDL Mode 2 testing performed in parallel with ATN development and test — Extensive lab testing of CMU/VDR/GTS — Rockwell Collins Sabreliner and Cessna aircraft — Flight testing against ground stations

6. ATN2001 Sept 2001; p.6 System Deployment n X.25 Over TCP/IP (XOT) — Allowed End - End and ATN testing without VDL — ATN performed very well n Airborne ATN Router (AAR) and Upper Layer System (ULS) — Airtel updates to support VDL and CMU environment — Airtel host testing — Integration of ATN and CMU software in simulator

7. ATN2001 Sept 2001; p.7 System Deployment n ATN port to CMU — Full end-to-end lab testing

8. ATN2001 Sept 2001; p.8 System Deployment n On-aircraft testing — Eurocontrol BAC1-11 — American Airlines 767 n PETAL Certification n Additional Interoperability testing has been performed with FAA and STNA/DGAC

9. ATN2001 Sept 2001; p.9 Lessons n ATN testing, integration, and operation better than planned n Test, Test, Test — Extensive lab testing from box level to end-to-end — On-aircraft ground and flight testing n Data capture n Team Coordination

10. ATN2001 Sept 2001; p.10 Next Steps n FAA Build 1 updates (2002) — Enhanced HMI alerting for ATN and CPDLC connections — Timer changes — PER Encoding (ATN PDR) n FAA Build 1A updates (2003) — Forward field of view ATC display — Essential level CMU