FAA · Supplemental Type Certificate
STC SA3318NM
Installation of a Venting fuel cap and restricting adapter assembly.
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 (17)
- A13CE The Cessna Aircraft Company · 177
- A20CE The Cessna Aircraft Company · 177RG
- 5A6 The Cessna Aircraft Company · 180
- 3A13 The Cessna Aircraft Company · 182
- 3A13 The Cessna Aircraft Company · 182A
- 3A24 The Cessna Aircraft Company · 185
- A9CE The Cessna Aircraft Company · 188
- A4CE The Cessna Aircraft Company · 206
- A16CE The Cessna Aircraft Company · 207
- A16CE The Cessna Aircraft Company · 207A
- A37CE The Cessna Aircraft Company · 208
- A37CE The Cessna Aircraft Company · 208A
- 3A21 The Cessna Aircraft Company · 210
- A4CE The Cessna Aircraft Company · P206
- 3A21 The Cessna Aircraft Company · P210N
- 3A13 The Cessna Aircraft Company · R182
- A4CE The Cessna Aircraft Company · U206
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 ↗