STC ST10945SC

Installation of SANDEL SA4550 Primary Attitude Display, SN4500 Primary Navigation Displays and associated equipment into a Cessna 500 aircraft to obtain WAAS approval for a GARMIN GNS-400W/500W Global Navigation System with an FGS-70 Automatic Flight Control System. Equipment Installations

Current Issued Aircraft Large Multi-Engine Rev 05/26/2009 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)

A22CE Cessna Aircraft Company · 500

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 ↗