STC ST10959SC

Installation of Rockwell Collins Pro Line 21 Electronic Flight Instrument System (EFIS) with Rockwell Collins FMS-6100

Historical Amended Aircraft Large Airplane Rev 06/09/2021 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 (2)

A16SW Hawker Beechcraft Corporation · 400A
A16SW Textron Aviation Inc. · 400T

Certification basis — 14 CFR

Part 14
Part 21
Part 25

Specific sections

§ 21.47
§ 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 ↗