FAA · Supplemental Type Certificate
STC SR09316RC
Fabrication, modification, and installation of a new vertical fin spar.
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 (19)
- H13WE Garlick Helicopters Inc. · UH-1B
- H3NM Garlick Helicopters Inc. · UH-1B
- H5NM Garlick Helicopters Inc. · HH-1K
- H5NM Garlick Helicopters Inc. · TH-1L
- H5NM Garlick Helicopters Inc. · UH-1E
- H5NM Garlick Helicopters Inc. · UH-1L
- H1RM Hawkins & Powers Aviation Inc. · UH-1B
- H5SO International Helicopters Inc. · UH-1B
- R00012AT Southern Helicopter Inc. · UH-1B
- H6SO Southwest Florida Aviation · SW204 (UH-1B)
- H6SO Southwest Florida Aviation · SW204HP (UH-1B)
- H3SO US Helicopter Inc. · UH-1B
- 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
- H8NM Smith Helicopters · UH-1E
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗