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.

Historical Amended Aircraft Rotorcraft Rev 11/07/2001 View PDF on drs.faa.gov ↗

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 (6)

Certification basis — 14 CFR

Part 21

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 ↗