FAA · Supplemental Type Certificate
STC SA01328WI
Installation of TKS Ice Protection System components, with placard stating, "Intentional Flight into known icing is prohibited." Data Required: (1) AS&T Master Drawing List No. 12700DL, Revision 3, dated March 7, 2005, or later "FAA Approved" revision; and (2) FAA Approved Airplane Flight Manual Supplement (AFMS), Document 12700-FMS, dated May 13, 2005, or later "FAA Approved" revisions to (1) or (2).
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 (5)
Certification basis — 14 CFR
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 ↗