FAA · Supplemental Type Certificate
STC SA4222SW
Mount collision avoidance lights in engine nacelle.
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)
- 3A10 Cessna Aircraft Company · 310I
- 3A10 Cessna Aircraft Company · 310J
- 3A10 Cessna Aircraft Company · 310K
- 3A10 Cessna Aircraft Company · 310L
- 3A10 Cessna Aircraft Company · 310N
- 3A10 Cessna Aircraft Company · 310R
- 3A25 Cessna Aircraft Company · 335
- 3A25 Cessna Aircraft Company · 340
- 3A25 Cessna Aircraft Company · 340A
- A7CE Cessna Aircraft Company · 401
- A7CE Cessna Aircraft Company · 402
- A7CE Cessna Aircraft Company · 402A
- A7CE Cessna Aircraft Company · 402B
- A7CE Cessna Aircraft Company · 402C
- A7CE Cessna Aircraft Company · 414
- A7CE Cessna Aircraft Company · 414A
- 3A10 Cessna Aircraft Company · T310R
Certification basis — 14 CFR
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 ↗