FAA · Supplemental Type Certificate
STC ST10275SC
Installation and Maintenance of Interior Modules (including Crew Cabinet Module, DA Cover Module, Aft Left Hand Closet Module and Aft Right Hand Baggage Front Module).
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 (2)
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 ↗