STC ST04104CH

Installation of a FANS Data Link Communication System supporting Air Traffic Services (ATS) utilizing a True North SATCOM, a Universal UniLink UL-801 Communications Management Unit and dual UNS-1Fw Flight Management Systems

Historical Issued Aircraft Large Airplane Rev 06/30/2016 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)

A6WE The Boeing Company · DC-9-87 (MD-87)

Certification basis — 14 CFR

Part 14
Part 21
Part 25
Part 26

Specific sections

§ 21.47
§ 26.11
§ 21.101
§ 21.111
§ 21.113
§ 21.115
§ 21.117
§ 21.119
§ 21.120
§ 25.301

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