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Atlas / STC / SR02471AK

FAA · Supplemental Type Certificate

STC SR02471AK

Installation of the L-3 Communications NGT -9000/9000R ADS-B System

Historical Issued Aircraft Rotorcraft Rev 02/16/2016 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 (93)

+ 43 more aircraft

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 ↗