STC SA10352SC

Installation of an Aviation Communication & Surveillance Systems (ACSS) TCAS II, dual ACSS Mode-S transponders and dual Sextant VSI/TCAS display in accordance with BHE & Associates, LTD Master Drawing List No. R1675, Rev. C, dated October 29, 2004 or later FAA approved revision. FAA approved Airplane Flight Manual Supplement Document No. R1682, Rev. I. R., dated November 3, 2004, or later FAA approved revision is required.

Historical Reissued Aircraft Large Multi-Engine Rev 05/02/2005 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 (4)

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 ↗