Modification of a Collins VHF-900 communication system installation with Gables G7404-23 or G7404-123 Radio Tuning Panels to a Collins VHF-2100 VDL Mode 3 capable communication system installation with Gables G7424-302 Radio Tuning Panels in accordance with: (1) Collins Master Data List RCA-0016-001, Revision -, dated September 28, 2004, (2) Collins Airplane Flight Manual Supplement RCA-0079-001, Revision -, dated January 4, 2005, and (3) Collins Maintenance Manual Supplement RCA-0074-001, Revision -, dated January 4, 2005 or later FAA approved revisions to (1), (2) or (3). View PDF on drs.faa.gov ↗

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