FAA · Supplemental Type Certificate
STC SA3-161
Installation of Wipaire Skis C-3000 or C-3200 (Aircraft Skis) (FluiDyne) (Federal) Main hydraulically-actuated main wheel skis with AWT-2500A or CT-3000 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)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗