Aircraft STC directory

Hamilton Standard Division 12D STCs

The Jun 30, 2026 FAA DRS snapshot contains 3 selected supplemental type certificates with status Current whose public applicability data names the Hamilton Standard Division 12D. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

listed Current at snapshot

holder directories

modification categories

Mar 25, 2004

latest recorded revision

Modification demand surface

Propellers3

Recorded holders

Pacific Propeller International LLC3

Recently revised 12D STCs

Showing the 3 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SP362NWPropellersRevised Mar 25, 2004

Installation of Pacific Propeller, Inc. chafing ring PP17010 in accordance with Pacific Propeller, Inc. FAA Sealed Drawing List 76005, dated September 27, 1976, or later FAA Sealed Revision thereto.

FAA holder: Pacific Propeller International LLC

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SP725NWPropellersRevised Mar 25, 2004

Install barrel support block No. PPI 51462-10 in place of Hamilton Standard Part No. 51462 in accordance with Pacific Propeller, Inc. Drawing List o. 76018, dated February 7, 1979, or later FAA approved revision thereto.

FAA holder: Pacific Propeller International LLC

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SP755NWPropellersRevised Mar 25, 2004

Installation of O ring seal in place of crush gasket in accordance with FAA Sealed Pacific Propeller, Inc. Draing List No. 7020, dated March 5, 1979, or later FAA sealed revision thereto.

FAA holder: Pacific Propeller International LLC

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