STC ST00155MC

Installation of the Items

Current Amended Aircraft Large Airplane Rev 11/24/2020 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 (1)

A10CE Learjet Inc. · 35A (C-21A)

Certification basis — 14 CFR

Part 21

Specific sections

§ 21.47
§ 21.120

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