FAA · Supplemental Type Certificate
STC ST01930LA
Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI)
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 (99)
- A21EA Bombardier Inc. · CL-600-1A11 (CL-600)
- A21EA Bombardier Inc. · CL-600-2A12 (CL-601)
- A21EU British Aerospace Regional Aircraft · Jetstream Series 3101
- A56EU British Aerospace Regional Aircraft · Jetstream 3201
- A22CE Cessna Aircraft Company · 500
- A22CE Cessna Aircraft Company · 550
- A22CE Cessna Aircraft Company · 560
- A22CE Cessna Aircraft Company · S550
- A33EU Dassault Aviation · Falcon 10
- A46EU Dassault Aviation · Mystere-Falcon 50
- A7EU Dassault Aviation · Fan Jet Falcon
- A7EU Dassault Aviation · Mystere-Falcon 20 - C5
- A7EU Dassault Aviation · Mystere-Falcon 20 - D5
- A7EU Dassault Aviation · Mystere-Falcon 20 - E5
- A7EU Dassault Aviation · Mystere-Falcon 20 - F5
- 1A17 Gulfstream Aerospace Corporation · G-159
- 3A20 Hawker Beechcraft Corporation · 65-90
- 3A20 Hawker Beechcraft Corporation · 65-A90
- 3A20 Hawker Beechcraft Corporation · B90
- 3A20 Hawker Beechcraft Corporation · C90
- 3A20 Hawker Beechcraft Corporation · C90A
- 3A20 Hawker Beechcraft Corporation · E90
- A14CE Hawker Beechcraft Corporation · 100
- A14CE Hawker Beechcraft Corporation · A100
- A14CE Hawker Beechcraft Corporation · B100
- A14SW Hawker Beechcraft Corporation · MU-300
- A16SW Hawker Beechcraft Corporation · 400
- A16SW Hawker Beechcraft Corporation · MU-300-10
- A24CE Hawker Beechcraft Corporation · 200
- A24CE Hawker Beechcraft Corporation · 200C
- A24CE Hawker Beechcraft Corporation · 200T
- A24CE Hawker Beechcraft Corporation · 300
- A24CE Hawker Beechcraft Corporation · B200
- A24CE Hawker Beechcraft Corporation · B200C
- A24CE Hawker Beechcraft Corporation · B200T
- A31CE Hawker Beechcraft Corporation · F90
- A3EU Hawker Beechcraft Corporation · BH.125 Series 600A
- A3EU Hawker Beechcraft Corporation · DH.125 Series 1A
- A3EU Hawker Beechcraft Corporation · DH.125 Series 1A/S-522
- A3EU Hawker Beechcraft Corporation · DH.125 Series 3A
- A3EU Hawker Beechcraft Corporation · DH.125 Series 3A/RA
- A3EU Hawker Beechcraft Corporation · DH.125 Series 400A
- A3EU Hawker Beechcraft Corporation · HS.125 Series 600A
- A3EU Hawker Beechcraft Corporation · HS.125 Series 700A
- A3EU Hawker Beechcraft Corporation · HS.125 Series F400B
- A2SW Israel Aircraft Industries Ltd. · 1121
- A2SW Israel Aircraft Industries Ltd. · 1121A
- A2SW Israel Aircraft Industries Ltd. · 1124
- A2SW Israel Aircraft Industries Ltd. · 1124A
- A10CE Learjet Inc. · 24
+ 49 more aircraft
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 ↗