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Atlas / STC / SA328CE

FAA · Supplemental Type Certificate

STC SA328CE

Install Model 180-185 Aqua Floats

Current Reissued Aircraft Small Airplane Rev 11/15/2023 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 (8)

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