FAA · Supplemental Type Certificate
STC SA2353NM
Installation of the Soloy Turbine Pac (Rolls-Royce 250-C20S engine modified per Soloy, LLC STC SE2352NM) and related changes.
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 ↗