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Engine and powerplant

STC SR00420NY

FAA DRS lists SR00420NY as Current · Reissued, held by Airwolf Filter, Corp, for Siam Hiller Holdings UH-12, Siam Hiller Holdings UH-12A, and Siam Hiller Holdings UH-12B, and 6 more aircraft configurations. Recorded change: Installation of Airwolf remote mounted engine oil filter Model AFC-600. Snapshot dated June 30, 2026.

FAA-listed holder
Airwolf Filter, Corp
Aircraft configurations
9
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Airwolf remote mounted engine oil filter Model AFC-600.

SR00420NY 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: Siam Hiller Holdings UH-12, Siam Hiller Holdings UH-12A, and Siam Hiller Holdings UH-12B, and 6 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Siam Hiller Holdings UH-126H1
Siam Hiller Holdings UH-12A6H1
Siam Hiller Holdings UH-12B6H2
Siam Hiller Holdings UH-12C6H2
Siam Hiller Holdings UH-12D4H10
Siam Hiller Holdings UH-12E-L4H11
Siam Hiller Holdings UH-12E4H11
Siam Hiller Holdings UH-12LH1WE
Siam Hiller Holdings UH-12L4H1WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Siam Hiller Holdings UH-12 and Siam Hiller Holdings UH-12A, and 7 more aircraft configurations 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?

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