FAA · Supplemental Type Certificate
STC SA8709SW
Installation of a Traffic Alert and Collision Avoidance System I (TCAS I) model TCAS 791/791A.
Historical Reissued and Amended Aircraft Small Multi-Engine Rev 08/15/2001
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)
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗