FAA · Supplemental Type Certificate
STC SA4170NM
Installation of part numbers PPA1301-1/-2 and PPA1201-1.
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 (22)
- A-799 Textron Aviation Inc. · 170
- A-799 Textron Aviation Inc. · 170A
- A-799 Textron Aviation Inc. · 170B
- 5A6 Textron Aviation Inc. · 180
- 5A6 Textron Aviation Inc. · 180A
- 5A6 Textron Aviation Inc. · 180B
- 5A6 Textron Aviation Inc. · 180C
- 5A6 Textron Aviation Inc. · 180D
- 5A6 Textron Aviation Inc. · 180E
- 5A6 Textron Aviation Inc. · 180F
- 5A6 Textron Aviation Inc. · 180G
- 5A6 Textron Aviation Inc. · 180H
- 5A6 Textron Aviation Inc. · 180J
- 5A6 Textron Aviation Inc. · 180K
- 3A24 Textron Aviation Inc. · 185
- 3A24 Textron Aviation Inc. · 185A
- 3A24 Textron Aviation Inc. · 185B
- 3A24 Textron Aviation Inc. · 185C
- 3A24 Textron Aviation Inc. · 185D
- 3A24 Textron Aviation Inc. · 185E
- 3A24 Textron Aviation Inc. · A185E
- 3A24 Textron Aviation Inc. · A185F
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗