FAA · Supplemental Type Certificate
STC SA8008SW
Installation of Zeftronics alternator control units P/N's R25101 (27.7V systems) or R25102 (28.8V systems).
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 (51)
- 3A12 The Cessna Aircraft Company · 172N
- 3A12 The Cessna Aircraft Company · 172
- 3A13 The Cessna Aircraft Company · TR182
- 3A13 The Cessna Aircraft Company · T182
- 3A13 The Cessna Aircraft Company · R182
- 3A13 The Cessna Aircraft Company · 182
- 3A13 The Cessna Aircraft Company · 182Q
- 3A17 The Cessna Aircraft Company · R172 Series
- 3A19 The Cessna Aircraft Company · A152
- 3A19 The Cessna Aircraft Company · 152
- 3A21 The Cessna Aircraft Company · 210L
- 3A21 The Cessna Aircraft Company · T210K
- 3A21 The Cessna Aircraft Company · 210K
- 3A21 The Cessna Aircraft Company · 210
- 3A21 The Cessna Aircraft Company · T210L
- 3A21 The Cessna Aircraft Company · 210M
- 3A21 The Cessna Aircraft Company · P210 Series
- 3A21 The Cessna Aircraft Company · T210 Series
- 3A21 The Cessna Aircraft Company · T210N
- 3A21 The Cessna Aircraft Company · T210M
- 3A21 The Cessna Aircraft Company · P210N
- 3A21 The Cessna Aircraft Company · 210N
- 3A24 The Cessna Aircraft Company · A185F
- 3A24 The Cessna Aircraft Company · 185
- 5A6 The Cessna Aircraft Company · 180K
- 5A6 The Cessna Aircraft Company · 180
- A13CE The Cessna Aircraft Company · 177B
- A13CE The Cessna Aircraft Company · 177A
- A13CE The Cessna Aircraft Company · 177
- A16CE The Cessna Aircraft Company · T207
- A16CE The Cessna Aircraft Company · 207
- A20CE The Cessna Aircraft Company · 177RG
- A4CE The Cessna Aircraft Company · 206
- A4CE The Cessna Aircraft Company · T206H
- A4CE The Cessna Aircraft Company · U206
- A6CE The Cessna Aircraft Company · 337G
- A6CE The Cessna Aircraft Company · T337H
- A6CE The Cessna Aircraft Company · P337H
- A6CE The Cessna Aircraft Company · 337H
- A6CE The Cessna Aircraft Company · T337G
- A6CE The Cessna Aircraft Company · T337F
- A6CE The Cessna Aircraft Company · 337F
- A6CE The Cessna Aircraft Company · 337
- A9CE The Cessna Aircraft Company · A188B
- A9CE The Cessna Aircraft Company · T188C
- A9CE The Cessna Aircraft Company · 188
- A13EU Reims Aviation S.A. · FA152
- A13EU Reims Aviation S.A. · F152
- A18EU Reims Aviation S.A. · FR172 Series
- A18EU Reims Aviation S.A. · FR172K
+ 1 more aircraft
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 ↗