FAA · Supplemental Type Certificate
STC ST02230SE
The installation of dual Garmin GTX-33ES Mode-S transponders and single or dual Garmin GTN 650/750 panel mounted navigation and global positioning system (GPS) units, or dual Garmin GTX-335R and/or GTX-345R Mode-S transponders and single or dual Garmin GTN 650/750/625/725 panel mounted navigation and GPS units
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 (21)
- A10CE Learjet Inc. · 24
- A10CE Learjet Inc. · 24A
- A10CE Learjet Inc. · 24B-A
- A10CE Learjet Inc. · 24B
- A10CE Learjet Inc. · 24C
- A10CE Learjet Inc. · 24D
- A10CE Learjet Inc. · 24E
- A10CE Learjet Inc. · 24F-A
- A10CE Learjet Inc. · 24F
- A10CE Learjet Inc. · 25
- A10CE Learjet Inc. · 25A
- A10CE Learjet Inc. · 25B
- A10CE Learjet Inc. · 25C
- A10CE Learjet Inc. · 25D
- A10CE Learjet Inc. · 25F
- A10CE Learjet Inc. · 31
- A10CE Learjet Inc. · 31A
- A10CE Learjet Inc. · 35
- A10CE Learjet Inc. · 35A (C-21A)
- A10CE Learjet Inc. · 36
- A10CE Learjet Inc. · 36A
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗