FAA · Supplemental Type Certificate
STC SA00780NY
Installation of Acorn Welding Heat Exchanger/Muffler. (180K and 182R with O470 engine, 185 S/N 0001 and on)
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 (16)
- 3A13 The Cessna Aircraft Company · 182G
- 3A13 The Cessna Aircraft Company · 182M
- 3A13 The Cessna Aircraft Company · 182H
- 3A13 The Cessna Aircraft Company · 182J
- 3A13 The Cessna Aircraft Company · 182K
- 3A13 The Cessna Aircraft Company · 182L
- 3A13 The Cessna Aircraft Company · 182P
- 3A13 The Cessna Aircraft Company · 182Q
- 3A13 The Cessna Aircraft Company · 182R
- 3A13 The Cessna Aircraft Company · 182S
- 3A13 The Cessna Aircraft Company · 182N
- 3A24 The Cessna Aircraft Company · 185
- 5A6 The Cessna Aircraft Company · 180G
- 5A6 The Cessna Aircraft Company · 180H
- 5A6 The Cessna Aircraft Company · 180K
- 5A6 The Cessna Aircraft Company · 180J
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗