STC SA00744DE

Installation of the Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT31 Transponder and an approved position sensor

Current Reissued Aircraft Small Airplane Rev 12/19/2018 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 (652)

+ 602 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
§ 21.120
Sec. 23.301
Sec. 23.303
Sec. 23.305
Sec. 23.307
Sec. 23.321
Sec. 23.471
Sec. 23.561
Sec. 23.601
Sec. 23.603
Sec. 23.605
Sec. 23.607
Sec. 23.609
Sec. 23.611
Sec. 23.613
Sec. 23.619
Sec. 23.625
Sec. 23.671
Sec. 23.771
Sec. 23.773
Sec. 23.777

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