STC SA1094GL

Installation of Grimes floor proximity lighting system, P/N 10-1309-37 in SD3-30 airplanes and P/N 10-1309-57 in SD3-60 airplanes.

Current Reissued Aircraft Large Multi-Engine Rev 06/04/2007 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 (2)

A41EU Short Brothers PLC · SD3-30
A41EU Short Brothers PLC · SD3-60

Certification basis — 14 CFR

Part 21
Part 25

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120
§ 21.47
§ 25.812

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