FAA · Supplemental Type Certificate
STC SR00332NY
Installation of Avionics Specialties power analyzer and recorder no. SL17009 and SL17061. (UH-1H with STC SR00267SE installed)
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 (13)
- H13WE Garlick Helicopters Inc. · UH-1H
- H5NM Garlick Helicopters Inc. · TH-1L
- H5NM Garlick Helicopters Inc. · UH-1E
- H5NM Garlick Helicopters Inc. · UH-1L
- H7SO Overseas Aircraft Support Inc · TH-1L
- H7SO Overseas Aircraft Support Inc · UH-1E
- H7SO Overseas Aircraft Support Inc · UH-1L
- H4NM US Helicopter Inc. · TH-1L
- H4NM US Helicopter Inc. · UH-1E
- H4NM US Helicopter Inc. · UH-1L
- H7SO Williams Helicopter Corporation · TH-1L
- H7SO Williams Helicopter Corporation · UH-1E
- H7SO Williams Helicopter Corporation · UH-1L
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 ↗