FAA · Supplemental Type Certificate
STC SA1358SO
Note A. Installation of ACT, Inc. FPTFW0000 High Strength Fuel Cells; Note B. Installation of ACT, Inc. FPTFW00001 High Strength Self Sealing Fuel Cells; Note C. Installation of ACT, Inc. FPTFW00003 High Strength Self Sealing Fuel Cells with interfaces for left side single point refueling and auxiliary tank 14-54 (at station 241.0)
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 (3)
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗