STC ST01219WI-D

Installation of dual Honeywell AM-250 altimeters to interface with the Bendix/King KFC 325 autopilot system for Reduced Vertical Separation Minimum (RVSM) group airworthiness approval.

Historical Issued Aircraft Large Multi-Engine Rev 12/23/2003 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 The Cessna Aircraft Company · 500

Certification basis — 14 CFR

Part 21
Part 25

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120
§ 21.47
§ 21.101
§ 21.115
§ 25.301
§ 25.303

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗