FAA · Supplemental Type Certificate
STC SA00034SE
Installation of AG-Air Systems, Inc., chemical disbursement system. (S2R modified per STC SA5953NM and S2R-G10 modified per STC SA00172SE)
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 (14)
- A3SW Ayres Corporation · S2R
- A4SW Ayres Corporation · S2R-G5
- A4SW Ayres Corporation · S2R-T34
- A4SW Ayres Corporation · S2R-T15
- A4SW Ayres Corporation · S2R-R3S
- A4SW Ayres Corporation · S2R-T11
- A4SW Ayres Corporation · S2R-T65
- A4SW Ayres Corporation · S2RHG-T65
- A4SW Ayres Corporation · S2R-R1340
- A4SW Ayres Corporation · S2R-R1820
- A4SW Ayres Corporation · S2R-T45
- A4SW Ayres Corporation · S2R-G10
- A4SW Ayres Corporation · S2R-G1
- A4SW Ayres Corporation · S2R-G6
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗