Global Operational Data Link Document (GOLD)

1 gold (1) Second Edition 26 April 2013 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 This Document is available by accessing any of the following ICAO regional websites. Asia and Pacific (APAC) Office Eastern and Southern African (ESAF) Office European and North Atlantic (EUR/NAT) Office Middle East (MID) Office North American, Central American and Caribbean (NACC) Office South American (SAM) Office Western and Central African (WACAF) Office For more information, contact the ICAO regional office.

2 gold (i) Second Edition 26 April 2013 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 (ii) Global Operational data link Document ( gold ) Second Edition 26 April 2013 (ii) 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 No.

3 Date applicable Date entered Entered by CORRIGENDA No. Date applicableDate entered Entered by 1 17 Sep 2013 17 Sep 2013 (removal of ; ; and modification of related to RCP 150) Global Operational data link Document ( gold ) (iii) gold (iii) Second Edition 26 April 2013 Table of Contents Page FOREWORD .. xv Chapter 1. Definitions .. 1-1 Terms and definitions .. 1-1 Acronyms .. 1-13 Chapter 2. Overview of data link operations .. 2-1 data link Operational capabilities .. 2-1 data link benefits .. 2-1 data link systems interoperability standards .. 2-2 data link services safety and performance specifications.

4 2-7 Oceanic SPR Standard (RTCA DO-306/EUROCAE ED-122) .. 2-7 Continental SPR Standard (RTCA DO-290/EUROCAE ED-120) .. 2-9 Performance-based communication and surveillance (PBCS).. 2-9 Airspace types and their data link Operational capabilities .. 2-10 Airspace where procedural separation is being applied .. 2-10 Airspace where ATS surveillance services are provided .. 2-11 Global overview of data link Operational capabilities .. 2-11 data link systems and services .. 2-13 Network descriptions and message acknowledgements .. 2-13 ACARS network and message acknowledgement .. 2-13 ATN network and message acknowledgement .. 2-14 data link messages .. 2-15 data link initiation capability (DLIC) .. 2-19 Purpose of the logon (flight plan correlation) .. 2-19 Initial logon request .. 2-21 Logon response .. 2-22 Logon request triggered by contact request .. 2-22 CPDLC connection management.

5 2-24 Purpose of a CPDLC connection .. 2-24 Active and inactive CPDLC connections .. 2-24 Establishing a CPDLC connection .. 2-24 Terminating a CPDLC connection (termination request message) .. 2-26 Transferring CPDLC connections .. 2-27 The CPDLC connection sequence .. 2-29 Determining an active CPDLC connection .. 2-33 Non-standard events associated with CPDLC transfers .. 2-34 Controller-pilot data link communications (CPDLC) .. 2-39 CPDLC - general .. 2-39 CPDLC message set .. 2-39 CPDLC messages .. 2-40 Responses to CPDLC messages .. 2-41 Open and closed CPDLC messages .. 2-42 (iv) Global Operational data link Document ( gold ) Second Edition 26 April 2013 (iv) gold CPDLC dialogues .. 2-43 Message identification numbers (MIN) .. 2-44 Message reference numbers (MRN) .. 2-44 Automatic dependent surveillance contract (ADS-C) .. 2-46 ADS-C general .. 2-46 ADS contract.

6 2-46 ADS-C report .. 2-55 Contents of ADS-C groups .. 2-59 Using ADS-C reports .. 2-59 FMC WPR data link system .. 2-64 FMC WPR - general .. 2-64 Description .. 2-65 Position report - description .. 2-65 Chapter 3. Administrative provisions related to data link operations .. 3-1 ANSP service provision .. 3-1 ANSP system validation .. 3-1 ATC automated data link functions .. 3-3 Logon request .. 3-3 Transfers between FANS 1/A and ATN B1 adjacent ATSUs .. 3-3 CPDLC and ADS-C connection management .. 3-6 Emergency message element handling .. 3-6 Automated responses .. 3-6 Message latency monitor .. 3-7 Abnormal cases with ADS-C .. 3-8 Satcom channel numbers in CPDLC messages .. 3-8 Contractual considerations for CSP .. 3-8 Aeronautical information, notifications, and interfacility agreements .. 3-9 Monitoring and data recording .. 3-11 Operator 3-11 Operational authorization to use data link .

7 3-11 Regional/State monitoring agencies .. 3-13 Flight planning .. 3-13 3-13 CPDLC and ADS-C .. 3-14 FMC WPR .. 3-15 FMC WPR additional guidance .. 3-15 Chapter 4. Controller and radio operator procedures .. 4-1 Overview .. 4-1 4-1 When to use voice and when to use CPDLC .. 4-1 CPDLC connection management and voice communication transfers .. 4-2 4-2 Establish CPDLC connection .. 4-2 Transfer voice communications with CPDLC connection transfer .. 4-3 Termination of the CPDLC connection .. 4-5 CPDLC connection with aircraft transiting small data link area .. 4-5 Global Operational data link Document ( gold ) (v) gold (v) Second Edition 26 April 2013 CPDLC Uplink messages .. 4-8 4-8 Use of free text .. 4-9 EXPECT uplink messages .. 4-9 Vertical clearances .. 4-11 Report/confirmation 4-13 Creating multi-element uplink messages .. 4-14 Weather deviations.

8 4-15 CPDLC Downlinks .. 4-16 4-16 Clarifying a downlink message .. 4-16 Responses/acknowledgements .. 4-16 Responding to multi-element requests .. 4-18 Offering alternative clearances to requests .. 4-19 ADS-C .. 4-20 4-20 ADS contracts .. 4-21 ADS-C connection management .. 4-22 ADS contract - periodic .. 4-24 ADS contract - waypoint change event .. 4-25 ADS contract - vertical range change and lateral deviation events .. 4-25 Separation .. 4-25 General ADS-C .. 4-25 Vertical separation ADS-C .. 4-26 Lateral separation 4-26 Longitudinal separation ADS-C .. 4-27 Using FMC WPR for position reporting .. 4-28 Alerting service .. 4-28 Emergency procedures .. 4-28 4-28 CPDLC and ADS-C emergency .. 4-28 ADS-C emergency report without a CPDLC emergency message .. 4-29 Non-routine procedures .. 4-30 4-30 Voice communications related to data link .

9 4-30 data link initiation failure .. 4-32 data link service failures .. 4-32 CPDLC connection failure .. 4-32 Transferring the CPDLC connection abnormal conditions .. 4-33 data link service failure .. 4-33 Planned data link shutdown .. 4-33 CPDLC or ADS-C service failure .. 4-34 Resuming data link operations .. 4-34 Inaccurate time estimates .. 4-35 SATCOM failure .. 4-35 Using CPDLC to relay messages .. 4-35 Chapter 5. Flight crew procedures .. 5-1 Overview .. 5-1 (vi) Global Operational data link Document ( gold ) Second Edition 26 April 2013 (vi) gold 5-1 Operational differences between voice communications and CPDLC .. 5-1 When to use voice and when to use CPDLC .. 5-2 Logon .. 5-3 5-3 When to log on initially for data link services .. 5-7 Automatic transfer of CPDLC and ADS-C services between ATSUs .. 5-7 Transfer voice communications with the CPDLC connection transfer.

10 5-7 Exiting CPDLC and ADS-C service areas .. 5-8 CPDLC ATS uplink messages .. 5-8 5-8 Flight crew response times for CPDLC uplink messages .. 5-10 Conditional clearances .. 5-11 EXPECT uplink messages .. 5-12 Uplinks containing FMS-loadable data .. 5-13 CPDLC ATS downlink messages .. 5-14 5-14 Free text .. 5-15 Unsupported messages .. 5-15 CPDLC reports and confirmation requests .. 5-15 Automatic dependant surveillance contract (ADS-C) .. 5-16 5-16 Position reporting .. 5-16 5-16 Position reporting in a non-ADS-C environment .. 5-17 Position reporting in an ADS-C environment .. 5-17 Position reporting using FMC WPR .. 5-18 Weather deviations and offsets .. 5-19 5-19 Weather deviation requests and offsets .. 5-19 Deviations either side of route .. 5-22 Reporting back on route .. 5-23 Emergency procedures .. 5-23 5-23 CPDLC and ADS-C emergency.