Global Operational Data Link Document (GOLD) This edition has been issued by the GOLD ad hoc Working Group for the Asia/Pacific Air Navigation Planning and Implementation Regional Group (APANPIRG), the North Atlantic Systems Planning Group (NAT SPG), the European Air Navigation Planning Group (EANPG), the South American Region Implementation Group (SAM/IG) and the African-Indian Ocean Planning and Implementation Regional Group (APIRG). Second Edition — 26 April 2013 International Civil Aviation Organization GOLD (1) Second Edition — 26 April 2013 This document is available by accessing any of the following ICAO regional websites. Asia and Pacific (APAC) Office http://www.icao.int/apac Eastern and Southern African (ESAF) Office www.icao.int/esaf European and North Atlantic (EUR/NAT) Office http://www.paris.icao.int Middle East (MID) Office www.icao.int/mid North American, Central American and Caribbean (NACC) Office http://www.mexico.icao.int South American (SAM) Office http://www.lima.icao.int Western and Central African (WACAF) Office http://www.icao.int/wacaf For more information, contact the ICAO regional office. Global Operational Data Link Document (GOLD) This edition has been issued by the GOLD ad hoc Working Group for the Asia/Pacific Air Navigation Planning and Implementation Regional Group (APANPIRG), the North Atlantic Systems Planning Group (NAT SPG), the European Air Navigation Planning Group (EANPG), the South American Region Implementation Group (SAM/IG) and the African-Indian Ocean Planning and Implementation Regional Group (APIRG). Second Edition — 26 April 2013 International Civil Aviation Organization GOLD (i) Second Edition — 26 April 2013 (ii) Global Operational Data Link Document (GOLD) AMENDMENTS The issue of amendments is announced by the ICAO Regional Offices concerned, which holders of this publication should consult. The space below is provided to keep a record of such amendments. RECORD OF AMENDMENTS AND CORRIGENDA AMENDMENTS CORRIGENDA No. Date Date Entered by No. Date Date Entered by applicable entered applicable entered 1 17 Sep 17 Sep E.Nahmadov 2013 2013 (removal of 2.1.3.2.2; 2.1.3.2.3;B.5 and modification of D.4.3.4 related to RCP 150) Second Edition — 26 April 2013 (ii) GOLD Global Operational Data Link Document (GOLD) (iii) Table of Contents Page FOREWORD . ......................................................................................................................................... xv Chapter 1. Definitions ....................................................................................................................... 1-1 1.1 Terms and definitions .............................................................................................................. 1-1 1.2 Acronyms ............................................................................................................................... 1-13 Chapter 2. Overview of data link operations .................................................................................. 2-1 2.1 Data link operational capabilities ............................................................................................ 2-1 2.1.1 Data link benefits ........................................................................................................ 2-1 2.1.2 Data link systems – interoperability standards ........................................................... 2-2 2.1.3 Data link services – safety and performance specifications ....................................... 2-7 2.1.3.1 Oceanic SPR Standard (RTCA DO-306/EUROCAE ED-122) .................. 2-7 2.1.3.2 Continental SPR Standard (RTCA DO-290/EUROCAE ED-120) ............. 2-9 2.1.3.3 Performance-based communication and surveillance (PBCS).................... 2-9 2.1.4 Airspace types and their data link operational capabilities ....................................... 2-10 2.1.4.1 Airspace where procedural separation is being applied ............................ 2-10 2.1.4.2 Airspace where ATS surveillance services are provided .......................... 2-11 2.1.4.3 Global overview of data link operational capabilities ............................... 2-11 2.2 Data link systems and services .............................................................................................. 2-13 2.2.1 Network descriptions and message acknowledgements ........................................... 2-13 2.2.1.1 ACARS network and message acknowledgement .................................... 2-13 2.2.1.2 ATN network and message acknowledgement ......................................... 2-14 2.2.2 Data link messages ................................................................................................... 2-15 2.2.3 Data link initiation capability (DLIC) ...................................................................... 2-19 2.2.3.1 Purpose of the logon (flight plan correlation) ........................................... 2-19 2.2.3.2 Initial logon request .................................................................................. 2-21 2.2.3.3 Logon response ......................................................................................... 2-22 2.2.3.4 Logon request triggered by contact request .............................................. 2-22 2.2.4 CPDLC connection management ............................................................................. 2-24 2.2.4.1 Purpose of a CPDLC connection .............................................................. 2-24 2.2.4.2 Active and inactive CPDLC connections .................................................. 2-24 2.2.4.3 Establishing a CPDLC connection ............................................................ 2-24 2.2.4.4 Terminating a CPDLC connection (termination request message) ........... 2-26 2.2.4.5 Transferring CPDLC connections ............................................................. 2-27 2.2.4.6 The CPDLC connection sequence ............................................................ 2-29 2.2.4.7 Determining an active CPDLC connection ............................................... 2-33 2.2.4.8 Non-standard events associated with CPDLC transfers ............................ 2-34 2.2.5 Controller-pilot data link communications (CPDLC) .............................................. 2-39 2.2.5.1 CPDLC - general ....................................................................................... 2-39 2.2.5.2 CPDLC message set .................................................................................. 2-39 2.2.5.3 CPDLC messages ...................................................................................... 2-40 2.2.5.4 Responses to CPDLC messages ................................................................ 2-41 2.2.5.5 Open and closed CPDLC messages .......................................................... 2-42 GOLD (iii) Second Edition — 26 April 2013 (iv) Global Operational Data Link Document (GOLD) 2.2.5.6 CPDLC dialogues ..................................................................................... 2-43 2.2.5.7 Message identification numbers (MIN) .................................................... 2-44 2.2.5.8 Message reference numbers (MRN) ......................................................... 2-44 2.2.6 Automatic dependent surveillance – contract (ADS-C) ........................................... 2-46 2.2.6.1 ADS-C – general ....................................................................................... 2-46 2.2.6.3 ADS contract ............................................................................................. 2-46 2.2.6.4 ADS-C report ............................................................................................ 2-55 2.2.6.5 Contents of ADS-C groups ....................................................................... 2-59 2.2.6.6 Using ADS-C reports ................................................................................ 2-59 2.2.7 FMC WPR data link system ..................................................................................... 2-64 2.2.7.1 FMC WPR - general ................................................................................. 2-64 2.2.7.2 Description ................................................................................................ 2-65 2.2.7.3 Position report - description ...................................................................... 2-65 Chapter 3. Administrative provisions related to data link operations ......................................... 3-1 3.1 ANSP service provision ........................................................................................................... 3-1 3.1.1 ANSP system validation ............................................................................................. 3-1 3.1.2 ATC automated data link functions ............................................................................ 3-3 3.1.2.1 Logon request .............................................................................................. 3-3 3.1.2.2 Transfers between FANS 1/A and ATN B1 adjacent ATSUs .................... 3-3 3.1.2.3 CPDLC and ADS-C connection management ............................................ 3-6 3.1.2.4 Emergency message element handling ....................................................... 3-6 3.1.2.5 Automated responses .................................................................................. 3-6 3.1.2.6 Message latency monitor ............................................................................ 3-7 3.1.2.7