Navigate / EASA

AMC1 ACNS.B.DLS.B1.025 Protection mechanism

ED Decision 2013/031/R

The data link system should comply with the following applicable ATN Baseline 1 standards:

—         ICAO Document 9705 (Edition 2) for ICS (Sub-Volume V), ULCS (Sub-Volume IV), CM CPDLC (Sub-Volume II) ASE requirements;

—         EUROCAE Document ED-110B;

—         ICAO Document 9776 and ARINC 631-6 for VDL Mode 2 multi-frequency operations.

The data link aircraft equipment should provide support for the CPDLC application message integrity check mechanism , with support for ‘default checksum algorithm’ only.