GM1 ACNS.B.DLS.B1.020 Data link services

• ED Decision 2022/008/R found in: GM Remote Aerodrome Air Traffic Services (ED 2019/004/R) Issue 2 (Jul 2020)

GM1 ACNS.B.DLS.B1.020 Data link services ED Decision 2022/008/R Community Specification EN 303 214 ‘Data Link Services (DLS) System’ provides a set of test scenarios to be demonstrated using a verified ground data link system or a ground data link system simulator. (a) **Data link initiation capability (DLIC) service** The DLIC service enables the exchange of information between aircraft and ground data link equipment, necessary for the establishment of data link communications. It ensures: (1) the unambiguous association of flight data from the aircraft with flight plan data used by an ATS unit, (2) the exchange of the supported air–ground application type and version information, (3) the delivery of the addressing information of the entity hosting the application. (b) **ATC Communications Management (ACM) Service** The ACM service provides automated assistance to flight crews for conducting the transfer of ATC communications (voice and data). It includes: (1) the initial establishment of CPDLC with an ATS unit; (2) the CPDLC ATC transfer instruction from one ATS unit to the next ATS unit; (3) the CPDLC ATC instructions for a change in voice channel; (4) the normal termination of CPDLC with an ATS unit. (c) **ATC Clearances and Information (ACL) Service** The ACL service provides flight crews with the ability to: (1) send requests and reports to air traffic controllers; (2) receive clearances, instructions and notifications issued by air traffic controllers to flight crews. (d) **ATC Microphone Check (AMC) Service** The AMC service provides CPDLC ATC instructions to flight crew(s) requesting him/them to verify the status of his/their voice communication equipment [Issue: CS-ACNS/4]