Skip to content

Atlas / STC / SA1034SW

FAA · Supplemental Type Certificate

STC SA1034SW

Installation of Lycoming O-320-E2D engine and Sensenich 74DM or McCauley 1C172TM propeller.

Current Reissued Aircraft Small Airplane Rev 07/12/2022 View PDF on drs.faa.gov ↗

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.

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 ↗