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Aircraft STC directory

Cessna Aircraft 320-1 STCs

The Jun 30, 2026 FAA DRS snapshot contains 21 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 320-1. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

21
listed Current at snapshot
17
holder directories
7
modification categories
Apr 1, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications10Avionics4Engine and powerplant2Electrical systems2Flight controls1Cabin and interiors1Fuel systems1

Recorded holders

BF Goodrich Aerospace3Brittain Industries, Inc2Acron Aviation Inc.1Michelin North America Inc.1Seaton Engineering Corp.1Aircraft Components Inc1M7 Aerospace LLC1Straight Flight Inc1Mike Jones Aircraft Sales Inc.1BAS Inc1Scandinavian Avionics Design GmbH1Great Lakes Aero Products Inc1Insight Instrument Corporation1J P Instruments1Rosen Sunvisor Systems LLC1Quiet Flight LLC1Cee Bailey's Aircraft Plastics1

Recently revised 320-1 STCs

Showing the 21 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA362CEOther aircraft modifications

Description of Type Design Change: Install Hoskins Twilighter MK III per Installation Manual and Specification Sheets as amended, dated September 20, 1965. Install Hoskins Twilighter MK IIIB Supplemental Lights per the following required data: Models 310 through 310F and 320 Specification Sheets P/N 65-0025-5 with drawings listed; Models 310G through N and 320-1 through F Specification Sheets P/N 65-0025-6 with drawings listed; Models 401, 401A and 402 Specification Sheets P/N 65-0025-9 with drawing listed; Models 411 and 411A Specification Sheets P/N 65-0025-7 with drawings listed; and Models 421 and 421A Specification Sheets P/N 65-0027-8 with drawings listed.

FAA holder: BF Goodrich Aerospace

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SA01420WIAvionics

Installation of Garmin GNS 430A / 530A COMM/NAV/GPS Systems. Data required: (1) Scandinavian Avionics Design GmbH Drawing List 2027438-DL-02, Issue 2; or later EASA approved revisions. (2) Scandinavian Avionics Design GmbH Approved Aircraft Flight Manual Supplement, Doc. 2027438-AM-02A, Issue 1, and Doc. 2027438-AM-02B, Issue 2, both approved by EASA under approval No. EASA.A.S.01389 dated 07-09-2005, or later EASA approved revision.

FAA holder: Scandinavian Avionics Design GmbH

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