FAA · Supplemental Type Certificate
STC SA00902CH
Installation of Walter Turboprop Engine Model M601E-11 and the Avia-Hamilton Standard Aviation Ltd. Propeller Model VJ8.510AG.
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 (12)
- A4SW Ayres Corporation · S2R
- A4SW Ayres Corporation · S2R-T65
- A4SW Ayres Corporation · S2R-R1340
- A4SW Ayres Corporation · S2R-R1820
- A4SW Ayres Corporation · S2R-T45
- A4SW Ayres Corporation · S2R-G6
- A4SW Ayres Corporation · S2R-R3S
- A4SW Ayres Corporation · S2R-T15
- A4SW Ayres Corporation · S2R-G10
- A4SW Ayres Corporation · S2R-T11
- A4SW Ayres Corporation · S2R-G5
- A4SW Ayres Corporation · S2R-T34
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗