STC SA8840SW

Replace core assembly of AiResearch Primary/Secondary Air-to-Air Heat Exchanger, part number 194546-3

Current Reissued Aircraft Large Airplane Rev 09/22/2021 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 (3)

A31SO Embraer - Empresa Brasileira de Aeronautica S.A. · EMB-120
A31SO Embraer - Empresa Brasileira de Aeronautica S.A. · EMB-120RT
A31SO Embraer - Empresa Brasileira de Aeronautica S.A. · EMB-120ER

Certification basis — 14 CFR

Part 21

Specific sections

§ 21.47
§ 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 ↗