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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.

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

Recorded modification

What the FAA record covers

Reduced Vertical Separation Minimum (RVSM) non-group (individual) airworthiness approval.

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

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Gulfstream Aerospace G-1159 model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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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