FAA · Supplemental Type Certificate
STC SA4795SW
Installation of an Avco Lycoming 0-360 or 0-320 engine and increase airplane gross weight in accordance with Drawing List JS000, revised 05/15/90, or later FAA approved revision.
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 (18)
- 3A19 The Cessna Aircraft Company · 150
- 3A19 The Cessna Aircraft Company · 150A
- 3A19 The Cessna Aircraft Company · 150B
- 3A19 The Cessna Aircraft Company · 150C
- 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
- 3A19 The Cessna Aircraft Company · 150M
- 3A19 The Cessna Aircraft Company · 152
- 3A19 The Cessna Aircraft Company · A150K
- 3A19 The Cessna Aircraft Company · A150L
- 3A19 The Cessna Aircraft Company · A150M
- 3A19 The Cessna Aircraft Company · A152
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗