2. Modified Automatic Dependent Surveillance (Expanded)(Expanded) M-ADSM-ADS As implemented in Norway

3. LAN Radar data X.25 (Datapak) Eik Ground Earth Station INMARSAT Avionics connected to... M-ADS Unit X.25 (Datapak) Satcom equipment Bodø ATN data- communication software. Ground routers Trondheim ATN datacommunication software. Air/Ground routers Oslo Stavanger Radar data LAN RaADS application software Requests ADS data and presents integrated ADS and radar data Radar data LAN

4. Bodø Trondheim EIK GES Røyken ( lab) INMARSAT ATN routing Alternative route...Technical monitoring... Stavanger Oslo

5. Software design X.25 Processing ATN Processing Situatio n Data Display Situatio n Data Display Situatio n Data Display Etc. Gateway X.25 Network Traffic Integration Unit Etc. Radar sensor Radar Data Processing System ADS Data Processing System Flight plan Data Processing System TCP/IP LAN

6. Main System Radar Data Display BRA5267 300 35 SAS907 300 27... 2K x 2K BRA5267 SAS907 Main System Flight Data Display 21” LAN or (as backup), RaADS Radar Data Display LAN Main system radar display computer RaADS radar display computer (PC) Main system Flight Data Display computer Button where controller can select data source RaADS used as backup system Display Frozen (Main System Flight Plan data OR RaADS radar data).

7. ADS data LAN GPS Time Synch. Radar data x8 Main computer ATC installation (example) ATN routers X.25 Network On-lineStandby Etc. Controllers with display machines (SDDs) Integrated air traffic data

8. Display presentation ADSRadarRadar (+ ADS)

9. Landing 700 feet Helideck X X X X X X Weight on wheels En-route contract Automatic reporting rate speed-up Automatic reporting rate slow-down, event contract change

10. Parked contract: Slow reporting rate + event contractsEn-route contract: 45 sek, abnormal descend event contract Take-off 700 feet Helideck X Helideck + 200 feet X X X Event: Vertical rate > 400 ft/min Event: Altitude range En-route contract request above 700 feet

11. Event: Vertical rate -2000 ft/minEn-route contractEmercency contract Emergency Abnormal descend : > 2000 ft/min SSR code : EM, CF, HI SSR code : EM, CF, HI Emergency switch En-route contract Emergency contractEmg. contract Bip-bip Rate speed-up Bip-bip

12. Controller features Adjust reporting rate:

13. Controller features Request information:View incoming information: Incoming information: