Aircraft STC directory

Cal Pacific Airmotive Army P-51C STCs

The Jun 30, 2026 FAA DRS snapshot contains 4 selected supplemental type certificates with status Current whose public applicability data names the Cal Pacific Airmotive Army P-51C. 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

Oct 14, 2016

latest recorded revision

Modification demand surface

Other aircraft modifications2 Aircraft structures1 Propellers1

Recorded holders

Andrew D. Humphrey1 Aviation Products Systems Inc.1 Razorback Fabrics Inc1

Recently revised Army P-51C STCs

Showing the 4 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA01734SE (PG 3)Aircraft structuresRevised Oct 14, 2016

Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.

FAA holder: Andrew D. Humphrey

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SA3239CHPropellersRevised Dec 31, 2014

Installation of modified propeller blades.

FAA holder: Tri-State Aviation, Inc

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ST334CHOther aircraft modificationsRevised May 21, 2014

Installation of Superflite 102 fabric.

FAA holder: Aviation Products Systems Inc.

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SA8075SW (PAGE 2)Other aircraft modificationsRevised Nov 9, 2003

Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER).

FAA holder: Razorback Fabrics Inc

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