FAA · Supplemental Type Certificate
STC SA00400BO
Installation of an IS&S ATCP with ATS or of an IS&S ISU with ATS
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 (4)
Specific sections
- Sec. 23.1
- § 21.47
- Sec. 23.21
- Sec. 23.23
- Sec. 23.29
- § 21.101
- § 21.115
- § 21.120
- Sec. 23.143
- Sec. 23.149
- Sec. 23.207
- 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. 23.607
- Sec. 23.609
- Sec. 23.611
- Sec. 23.613
- Sec. 23.619
- Sec. 23.625
- Sec. 23.627
- Sec. 23.672
- Sec. 23.691
- Sec. 23.699
- Sec. 23.771
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗