FAA · Supplemental Type Certificate
STC SR00957NY
Installation of external cargo hook release system for co-pilot position.
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 (11)
- H1SW Bell Textron Inc. · 205A-1
- H1SW Bell Textron Inc. · 205B
- H1SW Bell Textron Inc. · 210
- H4SW Bell Textron Inc. · 212
- H4SW Bell Textron Inc. · 412
- H4SW Bell Textron Inc. · 412CF
- H4SW Bell Textron Inc. · 412EP
- H6SW Bell Textron Inc. · 214B
- H6SW Bell Textron Inc. · 214B-1
- H79EU Leonardo S.p.a. · AB412
- H79EU Leonardo S.p.a. · AB412 EP
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗