FAA · Supplemental Type Certificate
STC SA2557NM
Installation of KS Avionics EGT/CHT-2( ) combined exhaust gas and cylinder head temperature monitoring system.
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 (206)
- A9EU Aermacchi S.p.A. · S.205-22/R
- A17WE Aerostar Aircraft Corporation · PA-60 Series
- A-759 American Champion Aircraft Corp. · 7GCB
- A-759 American Champion Aircraft Corp. · 7GCA
- A-759 American Champion Aircraft Corp. · 7AC
- A-759 American Champion Aircraft Corp. · 7ACA
- A-759 American Champion Aircraft Corp. · S7AC
- A-759 American Champion Aircraft Corp. · 7BCM (L-16A)
- A-759 American Champion Aircraft Corp. · 7CCM (L-16B)
- A-759 American Champion Aircraft Corp. · S7CCM
- A-759 American Champion Aircraft Corp. · 7DC
- A-759 American Champion Aircraft Corp. · 7EC
- A-759 American Champion Aircraft Corp. · 7ECA
- A-759 American Champion Aircraft Corp. · 7GC
- A-759 American Champion Aircraft Corp. · 7GCAA
- A-759 American Champion Aircraft Corp. · 7FC
- A-759 American Champion Aircraft Corp. · 7GCBA
- A-759 American Champion Aircraft Corp. · 7GCBC
- A-759 American Champion Aircraft Corp. · 7HC
- A-759 American Champion Aircraft Corp. · 7JC
- A-759 American Champion Aircraft Corp. · 7KC
- A-759 American Champion Aircraft Corp. · 7KCAB
- A21CE American Champion Aircraft Corp. · 8GCBC
- A21CE American Champion Aircraft Corp. · 8KCAB
- A48EU Avions Pierre Robin · R2160
- 770 Beech Aircraft Corporation · D18C-T
- ATC 602 Beech Aircraft Corporation · 17 Series
- ATC 604 Beech Aircraft Corporation · SC17R
- ATC 604 Beech Aircraft Corporation · C17R (Army UC-43E)
- 1A3 Bellanca Aircraft Corporation · 17-31TC
- 1A3 Bellanca Aircraft Corporation · 14-19
- 1A3 Bellanca Aircraft Corporation · 14-19-2
- 1A3 Bellanca Aircraft Corporation · 14-19-3
- 1A3 Bellanca Aircraft Corporation · 14-19-3A
- 1A3 Bellanca Aircraft Corporation · 17-30
- 1A3 Bellanca Aircraft Corporation · 17-31
- A-773 Bellanca Aircraft Corporation · 14-13-3W
- A-773 Bellanca Aircraft Corporation · 14-13-3
- A-773 Bellanca Aircraft Corporation · 14-13-2
- A-773 Bellanca Aircraft Corporation · 14-13
- 1A9 Booth Lee F.dba Taylorcraft Aerospace · F21
- 1A9 Booth Lee F. dba Taylorcraft Aerospace · F19
- 1A9 Booth Lee F. dba Taylorcraft Aerospace · F21B
- 1A9 Booth Lee F. dba Taylorcraft Aerospace · F22
- 1A9 Booth Lee F. dba Taylorcraft Aerospace · F21A
- 1A9 Booth Lee F. dba Taylorcraft Aerospace · F22C
- 1A9 Booth Lee F. dba Taylorcraft Aerospace · F22B
- 1A9 Booth Lee F. dba Taylorcraft Aerospace · F22A
- 3A10 The Cessna Aircraft Company · 310
- 3A12 The Cessna Aircraft Company · 172
+ 156 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 ↗