FAA · Supplemental Type Certificate
STC ST01985WI
Installation of the Garmin GI-275 I Electronic Standby Instrument (ESI)
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 (20)
- T00005NY Bombardier Inc. · BD-100-1A10
- A46EU Dassault Aviation · Mystere-Falcon 50
- A53NM Gulfstream Aerospace LP · Gulfstream 200
- A12EA Gulfstream Aerospace Corporation · G-IV
- A12EA Gulfstream Aerospace Corporation · GV
- A10CE Learjet Inc. · 60
- A3EU Textron Aviation Inc. · BAe.125 Series 800A
- A3EU Textron Aviation Inc. · BAe.125 Series 800B
- A3EU Textron Aviation Inc. · BAe.125 Series 1000A
- A3EU Textron Aviation Inc. · BAe.125 Series 1000B
- A3EU Textron Aviation Inc. · Hawker 750
- A3EU Textron Aviation Inc. · Hawker 800
- A3EU Textron Aviation Inc. · Hawker 800XP
- A3EU Textron Aviation Inc. · Hawker 850XP
- A3EU Textron Aviation Inc. · Hawker 900XP
- A3EU Textron Aviation Inc. · Hawker 1000
- A22CE Textron Aviation Inc. · 550
- A22CE Textron Aviation Inc. · 560
- A22CE Textron Aviation Inc. · 560XL
- A9NM Textron Aviation Inc. · 650
Certification basis — 14 CFR
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗