FAA · Supplemental Type Certificate
STC SA1034SW
Installation of Lycoming O-320-E2D engine and Sensenich 74DM or McCauley 1C172TM propeller.
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 (8)
- 3A19 The Cessna Aircraft Company · 150D
- 3A19 The Cessna Aircraft Company · 150E
- 3A19 The Cessna Aircraft Company · 150F
- 3A19 The Cessna Aircraft Company · 150G
- 3A19 The Cessna Aircraft Company · 150H
- 3A19 The Cessna Aircraft Company · 150J
- 3A19 The Cessna Aircraft Company · 150K
- 3A19 The Cessna Aircraft Company · 150L
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗