FAA · Supplemental Type Certificate
STC SA1219EA
Installation of a Sensenich Model 72CKS6-0-56 -54 or -52 metal propeller and a S72CK spinner assembly
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 (4)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗