FAA · Supplemental Type Certificate
STC ST04528CH
Installation of a broadband wireless internet system in accordance with Row 44 Master Data Index Listing, Document No. RWO100-0003-00, Revision IR, dated May 26, 2021 or later FAA approved revision.
What is an STC?
A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.
Applicable aircraft (7)
Certification basis — 14 CFR
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗