FAA · Supplemental Type Certificate
STC SA03804NY
Engine Refit: The presently installed versions of the TAE 125-01 or TAE 125-02-99 engine are replaced by the TAE 125-02-114 engine. This STC includes two propeller configurations: 1) MTV-6-A-C-F / CF187-129 without noise suppressor or 2) MTV-6-A-C-F / CF190-69 with noise suppressor;
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 (1)
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 ↗