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Other aircraft modifications

STC ST01670WI

FAA DRS lists ST01670WI as Current · Issued, held by Kohlman Systems Research Inc., for Gulfstream Aerospace G-1159. Recorded change: Reduced Vertical Separation Minimum (RVSM) non-group (individual) airworthiness approval. Snapshot dated June 30, 2026.

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FAA-listed holder
Kohlman Systems Research Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

ST01670WI identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Gulfstream Aerospace G-1159. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Gulfstream Aerospace G-1159A12EA

Related other aircraft modifications STCs

SA01437SEOther aircraft modifications

The manufacture of a Commander Sunvisor System in accordance with Rosen Sunvisor Systems Drawing List No. 1430000-DL, Revision D, dated July 19, 2004, or later Federal Aviation Administration (FAA) approved revision. The sunvisor system must be installed and maintained in accordance with Rosen Sunvisor Systems Installation and Continued Airworthiness Instructions Document 9050-0143-001, Revision C, dated June 29, 2004, or later FAA approved revision.

FAA holder: Rosen Sunvisor Systems LLC

View record

FAA record reference

STC number
ST01670WI
Product
Aircraft
Country
United States
Application date
September 29, 2011
Revision date
January 26, 2012
CFR references
Part 21