FAA · Supplemental Type Certificate
STC SH8719SW
Installation of replacement wedge windows.
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 (10)
- H3WE MD Helicopter Inc. · 369D
- H3WE MD Helicopter Inc. · 369HE
- H3WE MD Helicopter Inc. · 369HS
- H3WE MD Helicopter Inc. · 369FF
- H3WE MD Helicopter Inc. · 500N
- H3WE MD Helicopter Inc. · 369H
- H3WE MD Helicopter Inc. · 369E
- H3WE MD Helicopter Inc. · 369A (Army OH-6A)
- H3WE MD Helicopter Inc. · 369HM
- H3WE MD Helicopter Inc. · 369F
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 ↗