FAA · Supplemental Type Certificate
STC SA2687NM
Installation of Truboplus/ Electronics Int'l gauges and switches.
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 (231)
- 1A16 Ag Cat Corporation · G-164 Series
- A9SW Air Tractor Inc. · AT-400
- A9SW Air Tractor Inc. · AT-302
- A9SW Air Tractor Inc. · AT-300
- A-759 American Champion Aircraft Corp. · 7 Series
- A-761 American Champion Aircraft Corp. · 11AC
- A-761 American Champion Aircraft Corp. · S11BC
- A-761 American Champion Aircraft Corp. · S11AC
- A-761 American Champion Aircraft Corp. · 11BC
- A21CE American Champion Aircraft Corp. · 8GCBC
- A21CE American Champion Aircraft Corp. · 8KCAB
- A-737 Arctic Aircraft Company Inc. · S-1A Series
- A-754 Arctic Aircraft Company Inc. · S-1B Series
- 4A19 Augustair Inc. · 2150 Series
- A3SW Ayres Corporation · S2R Series
- A4SW Ayres Corporation · S2R Series
- 2H1 Bell Helicopter Textron · 47 Series
- 2H3 Bell Helicopter Textron · 47 Series
- H-1 Bell Helicopter Textron · 47 Series
- 1A3 Bellanca Aircraft Corporation · 14-19 Series
- A18CE Bellanca Aircraft Corporation · 17 Series
- ATC 319 Bellanca Aircraft Corporation · CH-400 Skyrocket
- ATC 328 Bellanca Aircraft Corporation · 300-W Pacemaker
- 7A7 British Aerospace (Scotland) · Twin Pioneer Series 3
- 7A7 British Aerospace (Scotland) · Twin Pioneer Series 2
- A11EU British Aerospace (Scotland) · B.206 Series 2
- A11EU British Aerospace (Scotland) · B.206 Series 1
- A22EU British Aerospace (Scotland) · B.121 Series 3
- A22EU British Aerospace (Scotland) · B.121 Series 2
- A22EU British Aerospace (Scotland) · B.121 Series 1
- 3A10 The Cessna Aircraft Company · 310
- 3A12 The Cessna Aircraft Company · 172
- 3A13 The Cessna Aircraft Company · 182
- 3A17 The Cessna Aircraft Company · 175
- 3A19 The Cessna Aircraft Company · 152
- 3A19 The Cessna Aircraft Company · 150
- 3A21 The Cessna Aircraft Company · 210
- 3A24 The Cessna Aircraft Company · 185
- 3A25 The Cessna Aircraft Company · 340
- 3A25 The Cessna Aircraft Company · 335
- 3A25 The Cessna Aircraft Company · 320
- 5A5 The Cessna Aircraft Company · 305 Series
- 5A6 The Cessna Aircraft Company · 180
- A-768 The Cessna Aircraft Company · 140
- A-768 The Cessna Aircraft Company · 120
- A-790 The Cessna Aircraft Company · 190
- A-799 The Cessna Aircraft Company · 170
- A13CE The Cessna Aircraft Company · 177
- A16CE The Cessna Aircraft Company · 207
- A2CE The Cessna Aircraft Company · 336
+ 181 more aircraft
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 ↗