FAA · Supplemental Type Certificate
STC SA00343AT
Installation of engine cowl and full length gear doors and relocation of engine oil cooler and replacement exhaust system. For PA-24-250, S/N 24-103 and up; for PA-24-260, S/N 24-3642, 24-4000 to 24-4782 and 24-4784 to 24-4803.
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 ↗