STC ST04402CH

Installation of Kidde Halotron BrX portable fire extinguishers to replace existing Halon 1211 fire extinguishers in accordance with Envoy Aerospace Master Data List, Document No. E18047-2620-L001, Revision -, dated June 13, 2019, or later FAA approved revision.

Historical Amended Aircraft Rev 12/10/2021 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)

A16WE The Boeing Company · 737-900ER Series

Certification basis — 14 CFR

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

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