STC SA125SO

Installation of Turbocharged Lycoming G0-480- G1D6 engine (STC SE124SO)

Current Reissued Aircraft Single-Engine Rev 08/31/2023 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)

1A8 Helio Aircraft LLC · H-395 (USAF L-28A or U-10B)

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