STC ST04212NY

Installation of Universal UNS-1Lw Flight Management System

Historical Issued Aircraft Large Airplane Rev 01/13/2022 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 (9)

T00011AT Embraer S.A. · EMB-135ER
T00011AT Embraer S.A. · EMB-135KL
T00011AT Embraer S.A. · EMB-135LR
T00011AT Embraer S.A. · EMB-145
T00011AT Embraer S.A. · EMB-145EP
T00011AT Embraer S.A. · EMB-145ER
T00011AT Embraer S.A. · EMB-145LR
T00011AT Embraer S.A. · EMB-145MP
T00011AT Embraer S.A. · EMB-145XR

Certification basis — 14 CFR

Part 21
Part 25
Part 26

Specific sections

§ 26.11
§ 21.101
§ 21.111
§ 21.113
§ 21.115
§ 21.117
§ 21.119
§ 21.120

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