STC SA04476CH

FAA DRS lists SA04476CH as Current · Issued, held by Avcon Industries Inc, for Textron Aviation B300 and Textron Aviation B300C. Recorded change: Installation of External Belly Radar POD and Upper SATCOM Radome in accordance with Avcon Industries, Inc. Master Data List 06201000, Revision (B), dated 27 SEP 2021, or later FAA Approved Revision. FAA Approved Airplane Flight Manual Supplement 06207100, Revision (IR), dated 04 OCT 2021, or later FAA Approved Revision is a required part of this modification . The aircraft must be maintained in accordance with FAA approved Instructions for Continued Airworthiness 06207200, Issue (0), dated 13 JUL 2021, or later FAA Approved Revision in addition to the basic airplane maintenance manuals. Snapshot dated June 30, 2026.