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Atlas / STC / SA12276IB

FAA · Supplemental Type Certificate

STC SA12276IB

Payload System Installation

Current Issued Aircraft Small Airplane Rev 01/16/2026 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 (94)

+ 44 more aircraft

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