FAA · Supplemental Type Certificate
STC ST02946CH
Certification of Compatibility with Wireless Data Technologies in accordance with Armstrong Aerospace Master Data List, Doc. No. DC104-9047-00, Revision -, dated December 18, 2011, 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 (4)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗