STC SR09518RC

Installation of Night Vision Goggle (NVG) compatible interior lighting system in accordance with Ahlers Aerospace, Inc. Master Drawing List 350-01(E99-129), Rev W, dated July 12, 2011, or later Federal Aviation Administration (FAA) approved revision. Rotorcraft Flight Manual Supplement: Ahlers Aerospace, Inc., Document No. E99-150, Rev. B, dated August 4, 2010; or E99-271, Rev. IR, dated July 12, 2011; or later

Current Amended Aircraft Rotorcraft Rev 10/04/2011 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)

Certification basis — 14 CFR

Specific sections

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

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