STC SA04112CH

Installation of Appareo Systems, LLC Stratus ESG ADS-B transponder

Current Amended Aircraft Small Airplane Rev 11/27/2018 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 (220)

+ 170 more aircraft

Certification basis — 14 CFR

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120
§ 21.47
§ 21.101
§ 21.115
Sec. 23.301
Sec. 23.303
Sec. 23.305
Sec. 23.307
Sec. 23.561
Sec. 23.601
Sec. 23.603
Sec. 23.605
Sec. 23.609
Sec. 23.613
Sec. 23.619
Sec. 23.625
Sec. 23.771
Sec. 23.773
Sec. 23.777
Sec. 23.853
Sec. 23.1301
Sec. 23.1306
Sec. 23.1308
Sec. 23.1309
Sec. 23.1351

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