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Atlas / STC / SA03316CH

FAA · Supplemental Type Certificate

STC SA03316CH

Activation of an 802.11 a/b/g/n WiFi System

Current Amended Aircraft Small/Large Airplane Rev 03/05/2024 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 (43)

Certification basis — 14 CFR

Specific sections

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗