FAA · Supplemental Type Certificate
STC SA378CH
Installation of BFG Flight Systems TCAS I.
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 (20)
- 3A20 Raytheon Aircraft Company · H90 (T-44A)
- 3A20 Raytheon Aircraft Company · 70
- 3A20 Raytheon Aircraft Company · 65 (L-23F)
- 3A20 Raytheon Aircraft Company · A65
- 3A20 Raytheon Aircraft Company · A65-8200
- 3A20 Raytheon Aircraft Company · 65-80
- 3A20 Raytheon Aircraft Company · 65-A80
- 3A20 Raytheon Aircraft Company · 65-A80-8800
- 3A20 Raytheon Aircraft Company · 65-B80
- 3A20 Raytheon Aircraft Company · 65-88
- 3A20 Raytheon Aircraft Company · 65-90
- 3A20 Raytheon Aircraft Company · 65-A90
- 3A20 Raytheon Aircraft Company · 65-A90-4 Series
- 3A20 Raytheon Aircraft Company · 65-A90-3 (RU-21C)
- 3A20 Raytheon Aircraft Company · B90
- 3A20 Raytheon Aircraft Company · C90
- 3A20 Raytheon Aircraft Company · C90A
- 3A20 Raytheon Aircraft Company · E90
- 3A20 Raytheon Aircraft Company · 65-A90-1 Series
- 3A20 Raytheon Aircraft Company · 65-A90-2 (RU-21B)
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 ↗