1. Installation of Aviation Clean Air Ionizer System in accordance with Pentastar Aviation Master Data List, Document No. A-18028-210, Revision E, dated September 23, 2021 or later FAA approved revision.\n2. The aircraft must be maintained in accordance with the Instructions for Continuted Airworthiness listed in Pentastar Aviation Master Data List, Document No. A-18028-210, Revision E, dated September 23, 2021 or later FAA approved revision is a required part of this modification. View PDF on drs.faa.gov ↗

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