FAA · Supplemental Type Certificate
STC SA00251DE
Installation of a stainless steel heat shield 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 (10)
- 3A25 Cessna Aircraft Company · 320
- 3A25 Cessna Aircraft Company · 320-1
- 3A25 Cessna Aircraft Company · 320A
- 3A25 Cessna Aircraft Company · 320B
- 3A25 Cessna Aircraft Company · 320C
- 3A25 Cessna Aircraft Company · 320D
- 3A25 Cessna Aircraft Company · 320E
- 3A25 Cessna Aircraft Company · 320F
- 3A25 Cessna Aircraft Company · 340
- 3A25 Cessna Aircraft Company · 340A
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 ↗