FAA-listed STC holder

Quantum Swiss LLC STCs

The Jun 30, 2026 FAA DRS snapshot lists 4 selected supplemental type certificates with status Current under Quantum Swiss LLC. The records span 10 public aircraft directories and 1 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Jul 12, 2022

latest recorded revision

Modification mix

Engine and powerplant4

Aircraft represented

Cessna Aircraft 150G52 STCs Cessna Aircraft 150H49 STCs Cessna Aircraft 150J49 STCs Cessna Aircraft 150D48 STCs Cessna Aircraft 150K48 STCs Cessna Aircraft 150E47 STCs Cessna Aircraft 150F45 STCs Cessna Aircraft 150L45 STCs Cessna Aircraft 17743 STCs Textron Aviation 1775 STCs

Recently revised records

Showing the 4 most recently revised records. Category directories provide the complete paginated discovery path.

4 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Quantum Swiss LLC supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA1008SW Installation of Lycoming O-360-A1A or O-360-A3A engine and Sensenich M76EM8S5-0-60 propeller. Engine and powerplant View record	Textron Aviation 177TC A13CE	Current at cited snapshot Revised Jul 12, 2022 Application: Nov 15, 1968	FAA holder: Quantum Swiss LLC FAA authority record
SA1034SW Installation of Lycoming O-320-E2D engine and Sensenich 74DM or McCauley 1C172TM propeller. Engine and powerplant View record	Cessna Aircraft 150DTC 3A19 Cessna Aircraft 150ETC 3A19 Cessna Aircraft 150FTC 3A19 Cessna Aircraft 150GTC 3A19 Cessna Aircraft 150HTC 3A19 Cessna Aircraft 150JTC 3A19 Cessna Aircraft 150KTC 3A19 Cessna Aircraft 150LTC 3A19	Current at cited snapshot Revised Jul 12, 2022 Application: Sep 12, 1968	FAA holder: Quantum Swiss LLC FAA authority record
SA1043SW Installation of Lycoming O-360-A1A or O-360-A3A engine and Hartzell Constant-Speed Propeller Model HC-C2YK-1B/7666A-2. Engine and powerplant View record	Cessna Aircraft 177TC A13CE	Current at cited snapshot Revised Jul 12, 2022 Application: Nov 15, 1968	FAA holder: Quantum Swiss LLC FAA authority record
SA1052SW Installation of Lycoming O-320-E2D engine according to STC SA1034SW on floatplane version. Engine and powerplant View record	Cessna Aircraft 150HTC 3A19 Cessna Aircraft 150LTC 3A19 Cessna Aircraft 150KTC 3A19 Cessna Aircraft 150JTC 3A19 Cessna Aircraft 150GTC 3A19	Current at cited snapshot Revised Jul 12, 2022 Application: Jun 18, 1969	FAA holder: Quantum Swiss LLC FAA authority record

Modification mix

Aircraft represented

Recently revised records

Installation of Lycoming O-360-A1A or O-360-A3A engine and Sensenich M76EM8S5-0-60 propeller.

Installation of Lycoming O-320-E2D engine and Sensenich 74DM or McCauley 1C172TM propeller.

Installation of Lycoming O-360-A1A or O-360-A3A engine and Hartzell Constant-Speed Propeller Model HC-C2YK-1B/7666A-2.

Installation of Lycoming O-320-E2D engine according to STC SA1034SW on floatplane version.