FAA · Supplemental Type Certificate
STC SA11854CH
Installation of modified exhaust system in lieu of original components
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 (37)
- A-780 FS 2003 Corp. · PA-12
- A-780 FS 2003 Corp. · PA-12S
- A-797 FS 2002 Corp. · PA-14
- 1A1 Piper Aircraft Inc. · PA-16
- 1A1 Piper Aircraft Inc. · PA-16S
- 1A2 Piper Aircraft Inc. · PA-18
- 1A2 Piper Aircraft Inc. · PA-18S
- 1A2 Piper Aircraft Inc. · PA-18-105 (Special)
- 1A2 Piper Aircraft Inc. · PA-18S-105 (Special)
- 1A2 Piper Aircraft Inc. · PA-18A
- 1A2 Piper Aircraft Inc. · PA-18-125 (Army L-21A)
- 1A2 Piper Aircraft Inc. · PA-18S-125
- 1A2 Piper Aircraft Inc. · PA-18AS-125
- 1A2 Piper Aircraft Inc. · PA-18-135
- 1A2 Piper Aircraft Inc. · PA-18A-135
- 1A2 Piper Aircraft Inc. · PA-18S-135
- 1A2 Piper Aircraft Inc. · PA-18AS-135
- 1A2 Piper Aircraft Inc. · PA-18-150
- 1A2 Piper Aircraft Inc. · PA-18A-150
- 1A2 Piper Aircraft Inc. · PA-18S-150
- 1A2 Piper Aircraft Inc. · PA-18AS-150
- 1A2 Piper Aircraft Inc. · PA-19 (Army L-18C)
- 1A2 Piper Aircraft Inc. · PA-19S
- 1A4 Piper Aircraft Inc. · PA-20
- 1A4 Piper Aircraft Inc. · PA-20-115
- 1A4 Piper Aircraft Inc. · PA-20-135
- 1A4 Piper Aircraft Inc. · PA-20S
- 1A4 Piper Aircraft Inc. · PA-20S-115
- 1A4 Piper Aircraft Inc. · PA-20S-135
- 1A6 Piper Aircraft Inc. · PA-22
- 1A6 Piper Aircraft Inc. · PA-22-108
- 1A6 Piper Aircraft Inc. · PA-22-135
- 1A6 Piper Aircraft Inc. · PA-22S-135
- 1A6 Piper Aircraft Inc. · PA-22-150
- 1A6 Piper Aircraft Inc. · PA-22S-150
- 1A6 Piper Aircraft Inc. · PA-22-160
- 1A6 Piper Aircraft Inc. · PA-22S-160
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗