FAA · Supplemental Type Certificate
STC SR00929SE
Fabrication of Boundary Layer Research (BLR) tail boom mounted strakes in accordance with BLR Master Drawing List No. BL-UH1H-01, Revision D, dated September 10, 2001, or later FAA approved revision; and installation of this strake system in accordance with BLR Installation Drawing List No. BL-UH1H-02, Revision D, dated September 10, 2001, or later FAA approved revision, and BLR Installation Manual No. BH200INS, Revision D, dated September 10, 2001, or later FAA approved revision.
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 (9)
- H11SW Bell Helicopter Textron · UH-1F
- H13WE Bell Helicopter Textron · UH-1H
- H15NM Bell Helicopter Textron · UH-1H
- H3SO Bell Helicopter Textron · UH-1H
- H7NE Bell Helicopter Textron · UH-1F
- H7SO Bell Helicopter Textron · UH-1H
- H12NM Garlick Helicopters Inc. · TH-1F
- H12NM Garlick Helicopters Inc. · UH-1F
- H12NM Garlick Helicopters Inc. · UH-1P
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 ↗