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Voice and Data Operations in the North Atlantic Prepared by Loftur Jónasson & Jennie Jónasson Iceland Radio Seminar on the Implementation of Data Link.

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Presentation on theme: "Voice and Data Operations in the North Atlantic Prepared by Loftur Jónasson & Jennie Jónasson Iceland Radio Seminar on the Implementation of Data Link."— Presentation transcript:

1 Voice and Data Operations in the North Atlantic Prepared by Loftur Jónasson & Jennie Jónasson Iceland Radio Seminar on the Implementation of Data Link and Satcom Communications Bangkok, Thailand, November 2003 Iceland Telecom

2 World View Iceland & Thailand ICELAND THAILAND

3 The Reykjavík Control Area

4 Some of our neighbouring areas

5 The Desired End-State The North Atlantic System Planning Groups (NAT SPGs) policy maintains that Standards and Recommended Practices (SARPs) compliant Aeronautical Telecommunication Network (ATN) data link technologies remain the desired end-state but greater flexbility has been agreed to for the use of other non-SARPs compliant technologies, in particular FANS-1/A.

6 FANS FIRS

7 AFTN ARINC Network CADS Server Annapolis, Maryland Geographic Filer Internetworking Other ACC Met Other ACC Met ART/ADCC ARINC SITA New York ACC Met Santa Maria ACC Canada Met Gander ACC Shanwick ACCReykjavík ACC Canada Met Met Picture by ARINC of their CADS System

8 Shanwick/Gander CPDLC System Messages To / From HF Voice ScOACC, (PRESTWICK) CPDLC Front End Dispatch Operator ATC / FDPS GAATS (NAV CANADA) X.25

9 Automatic Dependent Surveillance (ADS) Prior to the implementation of ADS – all flights, FANS equipped or not, had to make position reports at approximately every 10 degrees This took up a great deal of frequency time

10 FANS & North Atlantic Stations IcelandADS ShanwickADS & CPDLC GanderADS & CPDLC New YorkADS & CPDLC in some areas Santa MariaADS

11 SENDING...

12 CPDLC Phase 1, 2 & 3 Phase 1 –Flight crews use data link to request speed and level changes and receive a response via voice Phase 2 –Flights receive VHF domestic frequency assignments via CPDLC Phase 3 –Flights receive clearances and response to clearance requests via CPDLC

13 Uplink & Downlink ATC Controller Air/Ground Data Network ATC Controller Air /Ground Data Network Uplink Downlink

14 HFDL (HF Data Link) The HFDL issue is becoming more prominent as airlines are showing more and more interest in Polar flights and HFDL is the sole data link media that can provide continuous coverage over the Arctic region, therefore FANS operations there will have to rely on this media.

15 FMC WPR FMC Waypoint Position Reports (WPRs) are currently being looked at in the North Atlantic. Alternative for non-FANS equipped aircraft.

16 Human Factors & Transition Issues Transition to data link is not initially a time-saver Once pilots and operators get used to the system and procedures it does become a time-saver

17 Oceanic Clearances and Data Link Canada and The United Kingdom have indicated that they plan to implement voiceless Oceanic Clearance Deliveries by the end of 2004

18 ATN in the North Atlantic Consideration of using ATN equipped B aircraft in CPDLC trials


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