STC ST03318CH

Installation of a Forward Looking Infrared (FLIR) System

Historical Reissued Aircraft Large Airplane Rev 08/01/2016 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 (10)

A-669 The Boeing Company · DC3A-S1C3G
A-669 The Boeing Company · DC3A-S1CG
A-669 The Boeing Company · DC3A-S4C4G
A-669 The Boeing Company · DC3A-SC3G
A-669 The Boeing Company · DC3A-SCG
A-669 The Boeing Company · DC3C-R-1830-90C
A-669 The Boeing Company · DC3C-S1C3G
A-669 The Boeing Company · DC3C-S4C4G
A-669 The Boeing Company · DC3C-SC3G
A-669 The Boeing Company · DC3D-R-1830-90C

Certification basis — 14 CFR

Part 21
Part 25

Specific sections

§ 21.15
§ 21.47
§ 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 ↗