FAA · Supplemental Type Certificate
STC SA04459NY
Installation of MT-Propeller Entwicklung GmbH model MTV-27-1-( )-C-F-R(P)/CFR260-65( ) 5-blade, constant speed, full feathering, reversible propellers and spinners
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 ↗