STC SA4135NM

Install Lycoming 0-235-L2C/L2A(M) engine (modified per STC SE792NW) and Sensenich 72CK-0-52/57 propeller.

Historical Issued Aircraft Single-Engine Rev 10/30/1987 View PDF on drs.faa.gov ↗

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 (1)

A18SO Piper Aircraft Inc. · PA-38-112

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗