FAA · Supplemental Type Certificate
STC SA788NE
Installation of model 6988 de-icer boot.
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 (9)
- 1A10 The New Piper Aircraft Inc. · PA-23
- 1A10 The New Piper Aircraft Inc. · PA-23-160
- 1A10 The New Piper Aircraft Inc. · PA-23-250
- 1A10 The New Piper Aircraft Inc. · PA-E23-250
- A19SO The New Piper Aircraft Inc. · PA-44-180
- A7SO The New Piper Aircraft Inc. · PA-34-200
- A7SO The New Piper Aircraft Inc. · PA-34-220T (III)
- A7SO The New Piper Aircraft Inc. · PA-34-220T (IV)
- A7SO The New Piper Aircraft Inc. · PA-34-200T
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 ↗