Provisional installation of the Envoy Data Link with Iridium system for Aircraft Communications Addressing and Reporting System (ACARS) and Controller Pilot Data Link Communication (CPDLC) in accordance with Global Aerospace Design Corp. Master Drawing List 18GR164-MDL-2, Revision E, dated June 27, 2019, or later FAA approved revision. View PDF on drs.faa.gov ↗

The STC PDF is authoritative: installation instructions, ICA requirements and limitations.