FAA · Supplemental Type Certificate
STC SA04549CH
Installation of Hartzell Propeller model 3Al-QP460A1/7SA01-2 in accordance withHartzell STC Installation Instructions\nINST-030821 (Initial Revision) dated12/16/2021 orlater FAA-approved revisions. Airplane Flight Manual Supplement AFMS-030821 (Initial Revision) dated 12/16/2021 or later FAA-approved revision isrequired. Instructions for Continued Airworthiness ICA-030821 (Initial Revision) dated 12/16/2021 or later FAA-accepted revision are applicable.
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 ↗