FAA · Supplemental Type Certificate
STC SA02499SE
Installation of a Pratt & Whitney PT6A-41, PT6A-42, or PT6A-42A engine and a Avia V508H/106B/A propeller
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 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-R1340
- A4SW Thrush Aircraft Inc. · S2R-R1820
- A4SW Thrush Aircraft Inc. · S2R-R3S
- A4SW Thrush Aircraft Inc. · S2R-T11
- A4SW Thrush Aircraft Inc. · S2R-T15
- A4SW Thrush Aircraft Inc. · S2R-T34
- A4SW Thrush Aircraft Inc. · S2R-T45
- A4SW Thrush Aircraft Inc. · S2R
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 ↗