Skip to content

Atlas / STC / SA4172NM (PAGE 2)

FAA · Supplemental Type Certificate

STC SA4172NM (PAGE 2)

Installation of Aviation Development oil filter.

Historical Amended Aircraft Single-Engine Rev 08/20/2008 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.

Applicable aircraft (238)

+ 188 more aircraft

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 ↗