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Engine and powerplant

STC SH380NW

FAA DRS lists SH380NW as Current · Reissued, held by Siam Hiller Holdings Inc, for Hiller Aviation UH-12D (Army UH-23D). Recorded change: Installation and maintenance of engine auto reignition system. (UH-12D (ARMY UH-23D) modified per STC SH177WE). Snapshot dated June 30, 2026.

FAA-listed holder
Siam Hiller Holdings Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation and maintenance of engine auto reignition system. (UH-12D (ARMY UH-23D) modified per STC SH177WE).

SH380NW 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: Hiller Aviation UH-12D (Army UH-23D). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Hiller Aviation UH-12D (Army UH-23D)4H10

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Hiller Aviation UH-12D (Army UH-23D) model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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?

Related engine and powerplant STCs

SA01801ATEngine and powerplant

For the Cessna 172 airplane models incorporating Lycoming O-320 engines: Modification of the standard exhaust system as documented in Laminar Flow Systems Installation Instructions Document, "Laminar Flow System Extractor Exhaust System" Revision A, dated, November 20, 1998 and Technical Drawing List, Book No. PFS-B-800, dated, November 16, 1998 or per Power Flow Systems, Inc. Installation Instructions Document PFS-0058-00, Rev. A, dated October 5, 2001 and Master Drawing List, Report No. PFS-0032-00, Rev. IR, dated August 10, 2000, or later FAA approved revisions. For the Cessna 172 airplane models incorporating Lycoming O-320 ,O-360 0r IO-360 engines: Modify the standard exhaust system as document in Power Flow Systems, Inc. Installation Instructions Document PFS-13250-00, Rev B, dated, December 9, 2002 and Master Drawing list PFS-13240-00, Rev, IR, dated October 3, 2002.

FAA holder: Power Flow Systems Inc

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