STC SA09866SC

Installation of Honeywell TPE-331 engine IAW Texas Turbine Conversions, Inc. master drawing list no. 4001, Rev C, dtd 5/5/01, or later FAA approved revision. FAA approved Airplane FLight Manual Supplement TTC-FMS-1, dtd 5/5/01, or later FAA approved revision required.

Current Amended Aircraft Single-Engine Rev 01/31/2002 View PDF on drs.faa.gov ↗

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 (1)

A-815 Bombardier-Rotax GmbH · Otter DHC-3 (U-1A)

Certification basis — 14 CFR

Part 21

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 ↗