FAA · Supplemental Type Certificate
STC SA01845WI
Installation of a Center Windshield
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 (35)
- A17SW Air Tractor Inc. · AT-401
- A17SW Air Tractor Inc. · AT-401A
- A17SW Air Tractor Inc. · AT-401B
- A17SW Air Tractor Inc. · AT-402
- A17SW Air Tractor Inc. · AT-402A
- A17SW Air Tractor Inc. · AT-402B
- A17SW Air Tractor Inc. · AT-502
- A17SW Air Tractor Inc. · AT-502A
- A17SW Air Tractor Inc. · AT-502B
- A19SW Air Tractor Inc. · AT-602
- A19SW Air Tractor Inc. · AT-802
- A19SW Air Tractor Inc. · AT-802A
- A4SW Thrush Aircraft Inc. · S2R-G1
- A4SW Thrush Aircraft Inc. · S2R-G10
- A4SW Thrush Aircraft Inc. · S2R-G5
- A4SW Thrush Aircraft Inc. · S2R-G6
- A4SW Thrush Aircraft Inc. · S2R-H80
- A3SW Thrush Aircraft Inc. · S2R-R1340
- A4SW Thrush Aircraft Inc. · S2R-R1340
- A4SW Thrush Aircraft Inc. · S2R-R1820
- A3SW Thrush Aircraft Inc. · S2R-R3S
- A4SW Thrush Aircraft Inc. · S2R-R3S
- A3SW Thrush Aircraft Inc. · S2R-T11
- A4SW Thrush Aircraft Inc. · S2R-T11
- A3SW Thrush Aircraft Inc. · S2R-T15
- A4SW Thrush Aircraft Inc. · S2R-T15
- A3SW Thrush Aircraft Inc. · S2R-T34
- A4SW Thrush Aircraft Inc. · S2R-T34
- A4SW Thrush Aircraft Inc. · S2R-T45
- A4SW Thrush Aircraft Inc. · S2R-T65
- A4SW Thrush Aircraft Inc. · S2R-T660
- A3SW Thrush Aircraft Inc. · S2R
- A4SW Thrush Aircraft Inc. · S2R
- A4SW Thrush Aircraft Inc. · S2RHG-T34
- A4SW Thrush Aircraft Inc. · S2RHG-T65
Specific sections
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗