FAA · Supplemental Type Certificate
STC SA04461NY
Installation of Satcom System
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
- § 21.47
- § 21.101
- § 21.115
- § 21.120
- Sec. 23.301
- Sec. 23.303
- Sec. 23.305
- Sec. 23.307
- Sec. 23.561
- Sec. 23.571
- Sec. 23.603
- Sec. 23.609
- Sec. 23.613
- Sec. 23.771
- Sec. 23.773
- Sec. 23.777
- Sec. 23.853
- Sec. 23.1301
- Sec. 23.1309
- Sec. 23.1322
- Sec. 23.1351
- Sec. 23.1357
- Sec. 23.1359
- Sec. 23.1365
- Sec. 23.1367
- Sec. 23.1381
- Sec. 23.1431
- § 23.1529
- Sec. 23.1541
- Sec. 23.1585
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗