FAA · Supplemental Type Certificate
STC SA1636WE
Installation of AiResearch TPE 331 series engine, tricycle landing gear and ventral fin, extension of fuse- lage and related changes.
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)
- A-765 Textron Aviation Inc. · D18C
- A-765 Textron Aviation Inc. · D18S
- A-765 Textron Aviation Inc. · E18S
- A-765 Textron Aviation Inc. · E18S-9700
- A-765 Textron Aviation Inc. · G18S
- A-765 Textron Aviation Inc. · H18
- A-765 Textron Aviation Inc. · C-45G
- A-765 Textron Aviation Inc. · TC-45G
- A-765 Textron Aviation Inc. · TC-45H
- A-765 Textron Aviation Inc. · C-45H
- A-765 Textron Aviation Inc. · TC-45J
- A-765 Textron Aviation Inc. · JRB-6
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗