FAA · Supplemental Type Certificate
STC SA02519SE
Installation of a hinged inspection door
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 (15)
- 3A19 Textron Aviation Inc. · 150
- 3A19 Textron Aviation Inc. · 152
- A-799 Textron Aviation Inc. · 170
- 3A12 Textron Aviation Inc. · 172
- 3A17 Textron Aviation Inc. · 175
- 5A6 Textron Aviation Inc. · 180
- 3A13 Textron Aviation Inc. · 182
- 3A24 Textron Aviation Inc. · 185
- A9CE Textron Aviation Inc. · 188
- A4CE Textron Aviation Inc. · 206
- A16CE Textron Aviation Inc. · 207
- A37CE Textron Aviation Inc. · 208
- 3A21 Textron Aviation Inc. · 210
- 3A10 Textron Aviation Inc. · 310
- A6CE Textron Aviation Inc. · 337
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 ↗