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Aircraft STC directory

Cessna Aircraft 320B STCs

The Jun 30, 2026 FAA DRS snapshot contains 36 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 320B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

36
listed Current at snapshot
25
holder directories
9
modification categories
Apr 1, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications17
Avionics4
Engine and powerplant4
Fuel systems3
Flight controls2
Electrical systems2
Aircraft connectivity2
Landing gear and brakes1
Propellers1

Recorded holders

Brittain Industries, Inc4BF Goodrich Aerospace3Saint-Gobain Performance Plastics Corp2S-TEC Corporation2Acron Aviation Inc.1Michelin North America Inc.1Seaton Engineering Corp.1OCR Aviation1Aircraft Components Inc1Javelin Conversions Inc.1Straight Flight Inc1Mike Jones Aircraft Sales Inc.1BAS Inc1Lord Corporation1Honeywell International Inc1Ontic Engineering and Manufacturing Inc.1Scandinavian Avionics Design GmbH1Great Lakes Aero Products Inc1Eaglejet Aviation Inc.1Insight Instrument Corporation1

Recently revised 320B STCs

Showing the 36 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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