STC SA1604SO

Installation of wing external stores attach points on the lower surface of both wings.

Historical Amended Aircraft Small Airplane Rev 01/13/2021 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 (6)

A10CE Learjet Inc. · Learjet 36A
A10CE Learjet Inc. · Learjet 35
A10CE Learjet Inc. · Learjet 35A (C-21A)
A10CE Learjet Inc. · Learjet 25
A10CE Learjet Inc. · Learjet 36
A10CE Learjet Inc. · Learjet 25C

Certification basis — 14 CFR

Part 21

Specific sections

§ 21.47
§ 21.55
§ 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 ↗