Suspect Unapproved Parts (SUP/UPN)

Real FAA Unapproved Parts Notifications, identifying companies that produced or sold parts for installation on type-certificated aircraft without FAA approval. Source: FAA.gov UPN archive.

2026-AAE-EHL-20250805-430

Flagged companies: Between August 2024 and August 2025, Superior Panel Technology

2026-03-16

Between August 2024 and August 2025, Superior Panel Technology, located at 14331 Livingston St., Tustin CA 92780, produced and sold parts for installation on type-certificated aircraft without approval and authorization of the FAA.

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2025-AAE-EHL-20250422-416

Flagged companies: Landing Stinson LLC

2026-02-27

Between March 16, 2012, and through at least March 1, 2025, Cooper’s Landing Stinson LLC, located in Kennewick, WA, produced and sold parts related to STC SA963NW for installation on Univar Aircraft Corporation (Stinson) Model 108, 108-1, 108-2, and 108-3 aircraft (Type Certificate No. A-767).

Affected aircraft: Stinson LLC, Univar Aircraft Corporation, Stinson

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2025-AAE-EHL-20241031-589

Flagged companies: Between September 2021 and August 2023, Matterwaves Antenna

2025-08-15

Between September 2021 and August 2023, Matterwaves Antenna Technology produced and sold parts for installation on type-certificated aircraft without approval and authorization of the FAA.

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2025-AAE-EHL-20240212-175

2025-08-14

Between January 3, 2023, and July 3, 2025, Isolair, Inc. manufactured and distributed numerous helicopter firefighting systems, forestry service systems, and agricultural service systems for various aircraft makes and models to aftermarket users without the required FAA approval or authorization.

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2025-AAE-EHL-20240823-471

Flagged companies: Lavatory or Galley Refresh Modification Kits, Safran Cabin, Inc, Lavatory or Galley Refresh Modification Kits produced by Safran Cabin, Lavatory Flush Switch Assemblies produced by Safran Cabin

2025-05-29

Lavatory or Galley Refresh Modification Kits produced by Safran Cabin, Inc. from May 2023 to July 2024 for installation on FAA type-certificated (TC) Boeing 737-800 and 737-900ER series aircraft and Lavatory Flush Switch Assemblies produced by Safran Cabin, Inc. from August 2021 to June 2024 on FAA type-certificated (TC) Airbus A320 and A321 series aircraft.

Affected aircraft: Boeing 737-800 and 737-900ER series aircraft a, Airbus A320 and A321 series aircraft

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2025-AAE-EHL-20240711-558

Flagged companies: Wired conduit assemblies, Joslyn Sunbank, LLC, LLC for installation on Federal Aviation, J&K Connectors

2025-05-29

Wired conduit assemblies manufactured as of February 2022 and sold by Joslyn Sunbank, LLC for installation on Federal Aviation Administration (FAA) type-certificated (TC) products and distributed by J&K Connectors from September 2022 through November 2023.

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2025-AAE-EHL-20231103-798

Flagged companies: Seamech International, Inc, Receiver Dryer, Cabin

2025-02-24

Receiver Dryer, Cabin Temperature Sensor, Condenser Fan, Forward/Aft Evaporator Module, Controller (Twin Pack), Compressor (Twin Pack – Direct Drive Scroll – Left/Right – Eclipse 500), Actuator Assemblies, Integrated Compressor Pallet (Twin Pack), Thermal Expansion Valves, and Solenoid Valve produced by Seamech International, Inc for installation on type-certificated (TC) products from January 1, 2019 through August 31, 2023. 2025-S20201210013 02/21/2025 Articles for installation on FAA type-certificated (TC) engines identified as Combustor Bleed Gasket from September 18, 2023 to November 22, 2023.

Affected aircraft: Eclipse 500

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2023-AAE-EHL-20230801-713

Flagged companies: Landing Gears, Seaplanes North, LLC, Landing Gears produced by Seaplanes North, LLC, Window Shades, produced by Aero Shade Technologies

2025-02-18

Landing Gears produced by Seaplanes North, LLC for installation on type-certificated (TC) products from May 30, 2012, to February 27, 2024. 2025-AAE-20240229-831 FAA Unapproved Parts Notifications (UPN) for 2024 Date Subject Number 02/24/2024 Cylinder Liners, Valve Springs, Piston Rings, Hardware for Cylinder and Overhaul Gasket Kits, produced by Southern Aero, LLC, for installation on Franklin Aircraft Engines from June 2010 to present. 2024-EHL-20230608-303 FAA Unapproved Parts Notifications (UPN) for 2023 Date Subject Number 10/10/2023 Window Shades, produced by Aero Shade Technologies for installation on type-certificated (TC) products from October 2021 to Present 2023-CE2022440004 9/21/2023 General Electric Company (GE) CF6 bushing part number 1856M94P01 sold by AOG Technics LTD to TAP Maintenance & Engineering for installation on type-certificated (TC) products.

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2023-AAE-EHL-20230505-789

Flagged companies: Product Techniques, Inc

2023-09-13

Butyrate Dopes, Nitrate Dopes, Cements, and Adhesives, produced by Product Techniques, Inc., for installation on type-certificated (TC) products from April 2011 to December 2022.

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2023-AAE-EHL-20221214-460

Flagged companies: Traffic Collision Avoidance System (TCAS) Transmitter/Receiver units being, Receiver units being sold by Aviation, Parts, LLC

2023-08-02

Traffic Collision Avoidance System (TCAS) Transmitter/Receiver units being sold by Aviation Parts, LLC. of Moscow, Russia

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2023-AAE-EHL-20220902-351

Flagged companies: Jet Tech, LLC

2023-06-15

GPS Left/Right Deviation Converter, part number 1201-4000-01, produced by Jet Tech, LLC, for installation on type-certificated (TC) products from June 2014 to August 2021

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