FAA · Supplemental Type Certificate
STC SA04565CH
Installation of Hartzell Propeller Model HC-I3YR-1RF/F7498(B,K)-1 3-bladed metal propeller and Hartzell Spinner P/N 102870
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)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗