FAA · Supplemental Type Certificate
STC SA2647NM
Installation of PK Devore Model3500A series amphibious floats and PK Devore Model 3500 Series seaplane floats. (TU206G SEAPLANE, AMPHIBIAN S/N U20602589 AND U20604650 TO PRESENT)
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 (2)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗