FAA · Supplemental Type Certificate
STC SA3-361
Installation of Wipaire Skis Model C-2200 main and Model CTF-2200 tail wheel skis.
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 (7)
- A-759 American Champion Aircraft Corp. · 7GC
- A-759 American Champion Aircraft Corp. · 7EC
- A-759 American Champion Aircraft Corp. · 7DC
- A-759 American Champion Aircraft Corp. · 7CCM (L-16B)
- A-759 American Champion Aircraft Corp. · 7BCM (L-16A)
- A-759 American Champion Aircraft Corp. · 7AC
- A-759 American Champion Aircraft Corp. · 7GCA
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗