FAA · Supplemental Type Certificate
STC SR09257RC
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 (14)
- R00007DE Arrow Falcon Exporters Inc. · UH-1H
- H12NM Garlick Helicopters Inc. · TH-1F
- H12NM Garlick Helicopters Inc. · UH-1F
- H12NM Garlick Helicopters Inc. · UH-1P
- H13WE Garlick Helicopters Inc. · UH-1H
- H6SO Southwest Florida Aviation · SW205 (UH-1H)
- H3SO US Helicopter Inc. · UH-1H
- H15NM Western International Aviation Inc. · UH-1H
- H7SO Williams Helicopter Corporation · UH-1H
- H7NE Tamarack Helicopters Inc. · UH-1F
- H11SW Firefly Aviation Helicopter Services · UH-1F
- R00008AT Robinson Air Crane Inc. · TH-1F
- R00008AT Robinson Air Crane Inc. · UH-1F
- R00008AT Robinson Air Crane Inc. · UH-1P
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗