Airworthiness Directives (ADs) are legally enforceable regulations issued by the FAA in accordance with 14 CFR part 39 to correct an unsafe condition in a product. Part 39 defines a product as an aircraft, engine, propeller, or appliance.
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There are no Emergency ADs.
These 70 airworthiness directives affect the following 40 makes.
- ACE Aeronautics LLC
- ATR - GIE Avions de Transport Régional
- Airbus Helicopters
- Airbus Helicopters Deutschland GmbH
- Airbus SAS
- Austro Engine GmbH
- BHI H60 Helicopters, LLC
- Bell Textron, Inc.
- Billings Flying Service, Inc
- Boeing Company, The
- Carson Helicopters, Inc.
- Dassault Aviation
- Delta Enterprise
- Embraer S.A.
- GE Aviation Czech s.r.o.
- General Electric Company
- Gulfstream Aerospace Corporation
- High Performance Helicopters Corp.
- Hoffmann GmbH & Co. KG
- Leonardo S.p.a.
- Northwest Rotorcraft, LLC
- PJ Helicopters Inc
- Pickering Aviation, Inc.
- Pilatus Aircraft Limited
- Piper Aircraft, Inc.
Showing results 1 – 25 of 40
These 70 airworthiness directives were published in the last 60 days.
| Pub. Date | AD No. | Eff. Date | Title |
|---|---|---|---|
| 12/17/2020 | 2020-26-17 | 1/4/2021 | ATR--GIE Avions de Transport Regional Airplanes |
| 12/17/2020 | 2020-26-05 | 12/17/2020 | Textron Aviation Inc. (Type Certificate Previously Held by Cessna Aircraft Company) Airplanes |
| 12/17/2020 | 2020-26-02 | 1/4/2021 | Yabora Industria Aeronautica S.A. (Type Certificate Previously Held by Embraer S.A.) Airplanes |
| 12/16/2020 | 2020-25-11 | 1/21/2021 | Airbus Helicopters |
| 12/16/2020 | 2020-25-07 | 1/21/2021 | Embraer S.A. Airplanes |
| 12/16/2020 | 2020-25-10 | 1/21/2021 | General Electric Company Turbofan Engines |
| 12/16/2020 | 2020-25-02 | 1/21/2021 | Saab AB, Support and Services (Formerly Known as Saab AB, Saab Aeronautics) Airplanes |
| 12/16/2020 | 2020-25-08 | 1/21/2021 | Yabora Industria Aeronautica S.A. (Type Certificate Previously Held by Embraer S.A.) Airplanes |
| 12/14/2020 | 2020-26-06 | 12/29/2020 | Technify Motors GmbH (Type Certificate Previously Held by Thielert Aircraft Engines GmbH) Reciprocating Engines |
| 12/14/2020 | 2020-24-04 | 12/18/2020 | The Boeing Company Airplanes |
| 12/11/2020 | 2020-25-12 | 1/15/2021 | Superior Air Parts, Inc. Engines and Lycoming Engines Reciprocating Engines With a Certain SAP Crankshaft Assembly |
| 12/10/2020 | 2020-25-03 | 12/28/2020 | Airbus SAS Airplanes |
| 12/10/2020 | 2020-25-09 | 1/14/2021 | Pratt & Whitney Division Turbofan Engines |
| 12/10/2020 | 2020-21-16 | 1/14/2021 | The Boeing Company Airplanes |
| 12/10/2020 | 2020-21-17 | 1/14/2021 | The Boeing Company Airplanes |
| 12/10/2020 | 2020-22-10 | 1/14/2021 | The Boeing Company Airplanes |
| 12/8/2020 | 2020-24-07 | 1/12/2021 | Airbus Helicopters |
| 12/7/2020 | 2020-25-05 | 12/22/2020 | Hoffmann GmbH & Co. KG Propellers |
| 12/7/2020 | 2020-25-01 | 1/11/2021 | Textron Aviation, Inc. Airplanes (Type Certificate Previously Held by Beechcraft Corporation) |
| 12/4/2020 | 2020-25-04 | 1/8/2021 | Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines |
| 12/1/2020 | 2020-24-03 | 12/16/2020 | Airbus Helicopters |
| 12/1/2020 | 2020-24-12 | 1/5/2021 | Airbus SAS Airplanes |
| 12/1/2020 | 2020-24-11 | 1/5/2021 | Airbus SAS Airplanes |
| 12/1/2020 | 2020-24-09 | 1/5/2021 | Piper Aircraft, Inc. Airplanes |
| 11/27/2020 | 2020-23-03 | 1/4/2021 | Airbus Helicopters |
Showing results 1 – 25 of 70
- 3-Ring Incorporated
- 328 Support Services GmbH
- AC
- AC Spark Plug
- ACE Aeronautics LLC
- ACS Products Company
- ADS Supply Company
- Adventure Loft, Inc.
- Aer-Pegaso S.p.A.
- Aermacchi S.p.A.
- Aero Advantage
- Aero Resources, Inc.
- Aero Spacelines, Incorporated
- Aero Union Corporation
- Aeroclubul Romaniei
- Aeromot-Industria Mecanico Metalurgica Ltda.
- Aeronaut Instruction Research
- Aeronautica Macchi S.p.A.
- Aeronautica Macchi S.p.A. & Aerfer-Industrie Aerospaziali Meridionali S.p.A.
- Aeronautical Accessories, Inc.
- Aerosonic Corporation
- Aerospace Lighting Corporation
- Aerospace Welding Minneapolis Inc
- Aerospatiale (Societe Nationale Industrielle Aerospatiale)
- Aerostar Aircraft Corporation
- Aerostar International
- Aerotech Inc.
- Aerotechnic Vertiebs-u. Service GmbH
- Aerotek II, Inc.
- Agusta S.p.A.
- Air & Space America, Inc.
- Air Associates
- Air Cruisers Company
- Air Spares International Inc
- Air Tractor, Inc.
- Air Trading Corporation
- Airborne Manufacturing, Inc.
- Airbus
- Airbus Canada Limited Partnership
- Airbus Defense and Space S.A.
- Airbus Helicopters
- Airbus Helicopters Deutschland GmbH
- Airbus SAS
- Aircraft Belt & Trim Corporation
- Aircraft Belts, Inc.
- Aircraft Dusting & Spraying
- Aircraft Industries a.s.
- Aircraft Metal Products
- Aircraft Parts & Development Corp.
- Aircraft Radio Corporation
- Aircraft Tank Service, Inc.
- Airesearch
- Airlift International, Inc.
- Airotech
- Airtell International, Inc.
- Alexander Schleicher GmbH & Co.
- Alexandria Aircraft, LLC
- All Aircraft
- Allied Ag Cat Productions, Inc.
- Allied Signal Aerospace Company
- Allied Signal Commercial Avionics Systems
- AlliedSignal
- ALLIEDSIGNAL AVIONICS INC.
- Alliedsignal Avionics, Inc.
- AlliedSignal Inc
- Alliedsignal Inc
- Allliedsignal Aerospace
- Alpha Aviation Concept Limited
- Altitude Shop
- Am-Safe, Inc.
- Ameri-King Corporation
- American Champion Aircraft Corp.
- American Navion Society, LTD.
- AMI Industries Inc.
- Andrea Radio Corporation
- Anjou Aeronautique
- APEX Aircraft
- Apical Industries, Inc.
- Aquila - Aviation by Excellence AG
- Arizona Aerospace Foundation
- Arrow Falcon Exporters, Inc.
- Artex Aircraft Supplies, Inc.
- Aspen Avionics, Inc.
- Aspen Avionics,Inc.
- AST, Inc
- Atlantic Coast Seaplanes LLC
- ATR - GIE Avions de Transport Régional
- ATR – GIE Avions de Transport Régional
- Augustair, Inc.
- Austro Engine GmbH
- Autair Ltd.
- Auto Crat Manufacturing Company
- Auxiliary Power International Corporation
- Avian Balloon
- Aviat Aircraft Inc
- Aviatech Inc.
- Aviation Communication & Surveillance Systems
- Avidyne Corporation
- Avidyne Corporation
- Aviointeriors S.p.A
- Aviointeriors S.p.A.
- AVOX Systems
- B-N Group Ltd.
- B/E Aerospace
- B/E Aerospace Fischer GmbH
- B/E Aerospace Fischer GmbH (B/E Aerospace Fischer)
- BAE Systems (Operations) Limited
- Ballonbau Worner GmbH
- Ballonfabrik Augsburg
- Balloon Club of America
- Balony Kubicek spol s.r.o.
- BALÓNY KUBÍCEK spol. s r.o.
- Barry Aviation, LLC
- Batteries
- Becker Flugfunkwerk GmbH.
- Beech
- Beechcraft
- Bell Helicopter Textron Canada Limited
- Bell Helicopter Textron, A Division of Textron Canada
- Bell Helicopter Textron, Inc.
- Bell Textron, Inc.
- Bellanca Aircraft Corporation
- Bendix
- Bendix Avionics
- Bendix Electrical Components Division
- Bendix Energy Controls Division
- Bendix/King
- BendixKing
- BendixKing/Honeywell International
- BFGoodrich
- BFGoodrich Avionics Systems
- BHI H60 Helicopters, LLC
- Bill Coe
- Billings Flying Service, Inc
- Blanik Aircraft CZ s.r.o.
- BLANIK LIMITED
- Bob Fields Aerocessories
- Boeing Airplane Company, Wichita Division
- Boeing Company, The
- Boeing Defense & Space Group
- Bombardier
- Bombardier Inc.
- Bombardier-Rotax GmbH
- Brackett Aircraft Company
- Bradley Rankin
- Brantly International, Inc.
- Breeze Eastern Aerospace
- Briggs & Stratton Corporation
- Britax Sell Gmbh & Co.
- British Aerospace (Commercial Aircraft) Ltd
- British Aerospace and Societe Nationale Industrielle Aerospatiale
- British Aerospace Regional Aircraft
- British Aerospace, Aircraft Group
- Brown-Line Corporation
- BRP--POWERTRAIN GMBH & CO KG
- BRP-Rotax GmbH & Co KG
- Bruce Industries, Inc.
- Bureau of Land Management
- C-O-Two
- California Department of Forestry
- Cameron Balloons Ltd (Thunder and Colt)
- Cameron Balloons Ltd.
- Cameron Balloons Ltd. (Sky Balloons)
- Cameron Balloons US
- Carson Helicopters, Inc.
- Centrair
- Central Air Service, Inc.
- Cessna Aircraft Company
- CFE Company
- CFM International, S.A.
- Chadwick, Inc.
- Champion Spark Plug Company
- Chromalloy
- Cirrus Design Corporation
- Cleveland Aircraft Products
- Collins
- Collins Radio
- Columbia Helicopters, Inc.
- Commander Aircraft Corporation
- Commonwealth Aircraft, Inc.
- Consolidated Air Crane, Inc.
- Consolidated Vultee Aircraft Corporation, Stinson Division
- Construcciones Aeronauticas, S.A.
- Continental
- Continental Aerospace Technologies, Inc.
- Continental Copters, Inc.
- Continental Motors
- Continental Motors Inc
- Costruzioni Aeronautiche Tecnam srl
- Coulson Aviation (USA) Inc.
- CPAC, Inc.
- Croman Corporation
- CTRM Aviation Sdn. Bhd.
- Curtiss-Wright Corporation
- Curtiss-Wright/Marquette, Inc.
- D & R Nevada LLC
- Daher Aircraft Design, LLC
- DaimlerChrysler Aerospace AG
- Dassault Aviation
- Davis Aircraft Products, Inc.
- Day, Gene C.
- de Havilland Aircraft Co., Ltd., The
- De Havilland Aircraft of Canada Limited
- Dee Howard Company, The
- DeHavilland Support Limited
- Delta Enterprise
- Detroit Diesel Allison
- DG Flugzeugbau GmbH
- Diamond Aircraft Industries GmbH
- Diamond Aircraft Industries Inc
- Don Luscombe Aviation History Foundation, Inc.
- Dornier Luftfahrt GmbH
- Dornier-Werke GmbH
- Douglas Aircraft Co., Inc.
- Dowty Propellers
- Dowty Rotol
- Dynac Aerospace Corporation
- E.I. DUPONT DE NEMOURS & COMPANY
- EADS CASA
- EADS-PZL Warszawa-Okecie S.A.
- Eagle Balloons Corp.
- Eclipse Aerospace, Inc.
- Edison
- Edison, Thomas A., Inc.
- EDO Corporation
- Eiriavion Oy
- Eisemann
- Embraer S.A.
- Embury Sky Systems
- Emerald Enterprises Ltd.
- Engine Alliance
- Engine Components, Inc.
- Enstrom Helicopter Corporation, The
- Entwicklungsgemeinschaft Sport- und Segelflug
- EON Corporation
- Erickson Air-Crane
- EROS
- ESB Wisco, Incorporated
- Essex PB&R Corporation
- Eureka Williams Company
- Eurocopter France
- EVEKTOR, spol. s r.o.
- Evergreen Air Center
- Extra Flugzeugproduktions- und Vertriebs- GmbH
- Facet Aerospace
- Fairchild Camera & Instrument Corporation
- Fairchild Engine Division, Fairchild Engine and Airplane Corp.
- Fairchild Hiller Corporation
- Fairchild Industries Products
- Fairchild Industries, Inc.
- Fairchild Personal Planes Division, Fairchild Engine and Airplane Corp.
- Fantasy Sky Promotions Inc.
- Federal Skis
- Federico Helicopters, Inc.
- FH1100 Manufacturing Corporation
- Fiberglas-Technik Rudolf Lindner GmbH & Co. KG
- Filotechnica Salmoiraghi
- Fire Fighting Enterprises Limited
- Firestone
- First Technology Fire and Safety Ltd
- Flight Equipment and Engineering Corporation
- Flight Trails Helicopter
- FLS Aerospace (Lovaux) Ltd.
- Flug- und Fahrzeugwerke Ag
- Flugzeugwerke Altenrheim AG (FFA)
- Flying High
- Flying Tiger Line, Inc.
- Fokker Services
- Fokker Services B.V.
- Found Aircraft Canada, Inc.
- Frakes Aviation
- Franklin Engine Company
- Fred Garcia
- Freedman Aircraft Engineering Corp.
- FreeFlight Systems
- Frost Engineering
- FS 2000 Corp.
- FS 2001 Corp.
- FS 2002 Corp.
- FS 2003 Corp.
- Fuji Heavy Industries, Ltd.
- Funk Aircraft Company
- G.Q. Security Parachutes, Inc.
- GA 8 Airvan (Pty) Ltd
- GA200 (Pty) Ltd
- Garmin AT
- GARMIN International
- Garmin International
- Garrett
- Garrett Airresearch
- Garrett Auxiliary Power Division
- Garrett Turbine Engine Company
- Garviner
- Garwin, Inc.
- GE Aviation Czech s.r.o.
- GE Honda Aero Engines
- General Avia Costruzioni Aeronautiche
- General Electric Aircraft Engines
- General Electric Company
- General Machine - Diecron, Inc.
- Gerdes Products Company
- GEVEN S.p.A.
- Glacier Helicopter, Inc.
- Gladden Products Corp.
- Glaser-Dirks Flugzeugbau GmbH
- Glasflugel
- Global Helicopter Technology, Inc.
- Godfrey
- Goodrich
- Goodrich De-icing and Specialty Systems
- Goodyear
- Goodyear Aerospace Corp
- Goodyear Aircraft Corporation
- Goodyear Aviation Tires
- Goodyear Tire and Rubber Company
- Gores, William
- GQ Parachutes Ltd.
- GQ Security Parachutes
- Graviner
- Great Lakes Aircraft Company, LLC (John Duncan)
- GROB Aircraft AG
- Grob-Werke
- GROB-WERKE GMBH & CO KG
- Grumman American Aviation Corporation
- Gulfstream Aerospace Corporation
- Gulfstream Aerospace LP
- Gulfstream American Corporation
- Hagglund Helicopters, LLC
- Hamburger Flugzeugbau G.m.b.H.
- Hamill Manufacturing Company
- Hamilton Standard
- Hamilton Standard Division
- Hamilton Sundstrand
- Hamilton Sundstrand Corporation
- Hamilton Sundstrand Power Systems
- Harbin Hafei Aviation Industry Co., Ltd. (HAIC)
- Hartzell Engine Technologies
- Hartzell Propeller, Inc.
- Hawker Beechcraft Corporation
- Hawker Textron Aviation Inc.
- Hawkins & Powers Aviation, Inc.
- HB Aircraft Industries AG
- Head Balloons, Inc.
- Heath Tecna
- Heavy Lift Helicopters Inc
- Heli-Crane Corporation
- Helicopter Transport Services, Inc.
- Helio Aircraft Corporation
- Helio Aircraft LLC
- Herb M. Graves
- High Performance Helicopters Corp.
- Hiller Aviation
- HOAC-Austria
- Hoffmann GmbH & Co. KG
- Holmes, Douglas W.
- Honda Aircraft Company LLC
- Honeywell ASCa Inc
- Honeywell International Inc.
- Honeywell, Inc.
- Hot Air Balloons
- HPH s.r.o.
- HTL Advanced Technology
- Inc.
- Indiana Mills & Manufacturing
- Induction Air Filters
- Industrie Aeronautiche e Meccaniche
- Iniziative Industriali Italiane S.p.A.
- Interceptor Aircraft Corporation
- International Aero Engines AG (IAE)
- International Aero Engines LLC
- International Helicopters, Inc.
- International Inflatables Company
- Intertechnique
- Intreprinderea De Constructii Aeronautice
- Invest In Opportunities, Inc.
- IPECO
- Ipeco Holdings Limited
- Isenberg, Wilbur M.
- Israel Aircraft Industries, Ltd.
- Jet Electronics Technology, Inc.
- JGS Properties, LLC
- JJASPP Engineering Services LLC
- JR Aerosports, LTD
- K & L Soaring LLC
- Kaiser Fleetwings, Inc.
- Kaman Aerospace Corporation
- Kawasaki Heavy Industries, Limited
- Kearns, Edward Scott
- Kelly Aerospace Power Systems
- Kelowna Flightcraft R & D Ltd.
- Kidde Aerospace
- Kidde Aerospace & Defense
- Kidde Graviner
- King Radio Corporation
- Koito Industries Ltd
- Kollsman
- KWAD Company
- L'Hotellier, Louis
- L. B. Smith Aircraft Corporation
- Lavia Argentina S.A. (Laviasa)
- Lear, Inc.
- Learjet Inc.
- Leigh Systems
- Leonardo S.p.a.
- LeSEA
- Lester Branchflower
- Liberty Aerospace Incorporated
- Lifesavings Systems Corp
- Lindstrand Balloons Ltd.
- Lindstrand Balloons USA Inc
- Lindstrand Hot Air Balloons Ltd
- Linstrandt
- LITEF GmbH
- Litton Systems
- LLB Enterprise
- Lockheed Aircraft Corporation
- Lockheed Aircraft Service Company
- Lockheed Martin Aeronautics Company
- Lockheed Martin Corporation
- Lockheed-Georgia Corporation
- Lucas Air Equipment
- Lycoming Engines
- L’Hotellier
- M7 Aerospace LLC
- Magnaghi Aeronautica S.p.A.
- Mareco
- Marrs, Joe G.
- Martin-Marietta Corporation
- Marvel Schebler
- Marvel-Schebler Products Division
- Maryland Air Industries, Inc.
- Maule Aerospace Technology, Inc.
- McCauley
- McCauley Propeller Systems
- McClish, Thomas H.
- McCreary, Gifton
- McGrath, Michael D.
- McLaughlin Para Center
- MD Helicopters, Inc.
- Mechanical Products
- Meggitt (Troy),Inc
- Meggitt Safety Systems Inc
- Menasco Manufacturing Co.
- MHI RJ Aviation ULC
- MICCO Aircraft Company
- Michelin Aircraft Tire Corporation
- Microdot
- Microturbo
- Microturbo SA
- Microturbo Saphir
- Minden Air Corp
- Mitchell Industries, Inc.
- Mitsubishi Heavy Industries, Ltd.
- Mooney Aircraft Corporation
- Mooney Aviation Company Inc
- Mooney International Corporation
- Mooney Mite Aircraft Corporation
- MT-Propeller Entwicklung GmbH
- Narco
- National Aeronca Association
- National Ballooning
- National Parachute Supply, Inc
- Naval Aircraft Factory
- NavWorx,Inc
- Neptune Aviation Service, Inc.
- Nomad TC Pty Ltd
- Noorduyn Aviation Ltd.
- Nordskog Industries, Inc.
- North American Aerodynamics
- Northrop Grumman LITEF GmbH LCR-100
- Northwest Rotorcraft, LLC
- Nytech Inc.
- O2 Corporation
- OAS Parts LLC
- Odom, William P.
- Omega Aircraft Corporation
- Ontic Engineering and Manufacturing, Inc.
- Orlando Helicopter Airways, Inc.
- Overland Aviation
- Overseas Aircraft Support Inc
- P. V. Shields
- Pacific Aerospace Limited
- Pacific Aviation, Inc.
- Pacific Inflatables Company
- Pacific International Foods, Inc.
- Pacific Propeller, Inc.
- Pacific Scientific Company
- Pan Avion Company
- Para Flite, Inc.
- Para Gear Equipment Co.
- Para Phernalia
- Para Wing SA
- Para-Flite, Inc.
- Parachute Associates, Inc.
- Parker Hannifin Corporation
- Pathfinder Corporation
- Piaggio & C.
- Piaggio Aero Industries S.p.A.
- Pickering Aviation, Inc.
- Pilatus Aircraft Limited
- Pioneer Parachute Co., Inc.
- Pioneer Parachute Company
- Piper Aircraft, Inc.
- PJ Helicopters Inc
- Polskie Zaklady Lotnieze Spolka zo.o
- Porsche K.-G., Dr. Ing.h.c.F.
- Pratt & Whitney
- Pratt & Whitney Canada
- Pratt & Whitney Canada Corp.
- Pratt & Whitney Canada, Inc.
- Pratt & Whitney Division
- Pratt, Read & Co., Inc.
- Precise Flight Inc.
- Precision Airmotive Corporation
- Pressed Steel Tank Company
- Prestolite Company
- Przedsiebiorstwo Doswiadczalno-Produkcyjne
- PTC Aerospace
- PTC Seating Products
- Pure Air, Inc.
- Puritan-Bennett Aero Systems
- Pyrotector, Inc.
- PZL Mielec
- PZL-Swidnik S.A.
- Quartz Mountain Aerospace, Inc.
- Quest Aircraft Design, LLC
- R. Hunt Propeller
- Rajay
- Rajay/Rotomaster
- Rankin, Joe
- Rapco, Inc.
- Ratier-Forest, Division de Figeac
- Ray Hara C/O Cazer Para Loft
- Razorback Fabrics, Inc.
- Rec Whse
- RECARO Aircraft Seating GmbH & Co. KG
- RECARO Aircraft Seats GmbH & Co.
- Red Tail Flying Services LLC
- Regal Air, Inc.
- Reims Aviation S.A.
- Relative Workshop, Inc
- Reltny Parachute Service
- REVO, Incorporated
- Revo, Incorporated
- Reynolds Aviation
- Richards Heavylift Helo, Inc.
- Rigging Innovations, Inc.
- Risley, Lester W.
- Robertson, Cliff c/o Gadbois Business Management
- Robinson Air Crane, Inc.
- Robinson Helicopter Company
- Rockwell Collins
- Rockwell Collins, Inc.
- Rockwell International
- Rogers, Burl A.
- Rogersport
- Rolladen-Schneider Flugzeugbau GmbH
- Rolls-Royce Corporation
- Rolls-Royce Deutschland Ltd & Co KG
- Rolls-Royce Limited
- Rolls-Royce Limited, Bristol Engines Division
- Rolls-Royce plc
- Rosemount Aerospace, Inc.
- Rosemount, Inc.
- Rotorcraft Development Corporation
- Rowland Aviation Services LLC
- Royal Inventum Company
- RUAG Aerospace Services GmbH
- Rupert Parachute Company
- Russell Manufacturing Company
- Rust, Robert E.
- Ryan Aeronautical Company
- S.E.L.A. Laboratoire Abadie
- S.M. & T. Aircraft
- Saab AB, Saab Aeronautics
- Saab AB, Saab Aerosystems
- Saab AB, Support and Services
- Sabreliner Corporation
- Safran Aerosystems
- Safran Helicopter Engines, S.A.
- San Joaquin Helicopters
- Sandel Avionics Incorporated
- Sandia
- Sandia Attitude Indicator
- Sargent Industries, Pico Division
- SCHEIBE-AIRCRAFT-GMBH
- Schempp-Hirth Flugzeugbau
- Schweizer Aircraft Corporation
- Schweizer RSG LLC
- Schwien Engineering Corporation
- Scott Aviation
- Scotts-Bell 47 Inc
- Seabird Aviation Australia Pty. Ltd.
- Secur Aiglon
- Sensenich Propeller Manufacturing Company, Inc.
- Shadin
- Shakespeare Products Company
- Short Brothers & Harland Ltd.
- Short Brothers PLC
- Siam Hiller Holdings, Inc.
- SICLI
- Sicma Aero Seat
- SICMA Aero Seat
- Siemens S.A.S
- Sierra Engineering Company
- Sierra Hotel Aero, Inc.
- Sikorsky Aircraft
- Sikorsky Aircraft Corporation
- Siller Helicopters
- SIXTYHAWK TC, LLC
- Sky Balloons Ltd.
- Sky Enterprises, Inc.
- Sky Supplies
- SKYDANCE BLACKHAWK OPERATIONS LLC
- Skypower
- Skyship Services
- Skyways International Trading and Transport Co.
- Slick Electro, Inc.
- Slingsby Aviation Ltd.
- Slingsby Sailplanes Ltd.
- SME Aero, Inc.
- Smith Helicopters
- Snow Aviation International, Inc.
- SOCATA
- SOCATA - Groupe Aerospatiale
- Societe C.A.R.M.A.M.
- Societe de Motorisation Aeronautiques
- Soloy Conversions, Ltd.
- Southern Helicopter, Inc.
- Southwest Florida Aviation International
- Spectrolab Nightsun XP Searchlight
- Spencer Aircraft Industries
- Sperry Corporation
- Sperry Flight Systems
- Spinks Industries, M. H. Spinks, Sr.
- Sprague Engineering
- SSK Industries Inc.
- Starbird, Inc.
- Stemme AG
- Steward-Davis Incorporated
- Stewart-Warner Corporation
- STOL Aviation LLC
- Stolp-Adams Company
- Strong Enterprise, Inc.
- Strong Enterprises
- Sud Aviation
- Sundance Balloons (US)
- Sundstrand
- Sundstrand Aerospace
- Superior Air Parts, Inc.
- Superior Aircraft Company
- Superior Flow Company
- Swift Museum Foundation, Inc.
- Switlik Parachute Company
- Symphony Aircraft Industries Inc
- Szybowcowy Zaklad Doswiadczalny
- T.B.M., Inc.
- Tamarack Helicopters, Inc.
- Tandem Rotor, LLC
- Tarver Propellers, LLC
- Taylorcraft 2000, LLC
- Taylorcraft, Inc.
- Technify Motors GmbH
- TECO, Inc.
- Teledyne Continental Motors
- Tempo Design Corporation
- Terra Corporation
- Teryjon Aviation, Inc.
- Texas Instruments
- Textron Aviation Inc.
- Textron Lycoming
- Textron Lycoming, AVCO Corporation
- Thales Avionics (Sextant Avionique)
- Thales AVS France SAS (Thales)
- The Annex
- The Chute Shop
- The Deutsch Company
- Thielert Aircraft Engines GmbH
- Thomas Sports Equipment LTD
- Thompson Aircraft Sales
- Thompson Products, Inc.
- Thrush Aircraft, Inc.
- Timberline Helicopters, Inc.
- Timm Aircraft Corporation
- Titeflex Corporation
- Tost
- Tracor Aerospace, Inc.
- Transaire Spraying Co.
- Transcontinental and Western Air, Inc.
- Transport Category Airplanes
- Trig Avionics Limited
- Trimble
- Triton Aerospace LLC
- True Flight Holdings LLC
- TRW Hartzell Propeller
- Turbomeca S.A.
- Twin Commander Aircraft LLC
- Ultramagic, S.A.
- Unical Aviation, Inc.
- Uninsured Relative Workshop
- United Aeronautical Corporation
- United Aircraft of Canada
- United Data Control, Inc.
- United Instruments, Inc.
- Univair Aircraft Corporation
- Universal Oil Products, Inc.
- UPS Aviation Technologies, Inc.
- Ursula Hanle
- US Helicopter, Inc.
- USDA Forest Service
- Valentin GmbH & Co.
- VFW-Vereinigte Flugtechnische Werke, G.m.b.H.
- Vickers-Armstrongs (Aircraft Limited)
- Vickers-Slingsby
- Viking Air Limited
- Volpar, Inc.
- Vulcanair S.p.A.
- Waara, William
- Waco Aircraft Company, The
- WACO Classic Aircraft Corporation
- WACO Classis Aircraft Corporation
- Walter Kidde
- Warner Engine Company, LLC
- Weatherly Aircraft Company
- Weber Aircraft
- Weckbecker
- West Coast Fabrications
- Western International Aviation, Inc.
- Westgaard Parachute Enterprise
- Westland Helicopters Limited
- Weston-Garwin Carruth
- Westway Parachuting Enterprise
- Whelen Engineering Company, Inc.
- Williams International Company, L.L.C.
- Williams, Harry E.
- Wood Electric
- Woodward Governor Company
- Wright Aeronautical Division, Curtiss-Wright Corporation
- Wright, Kevin
- Wytwornia Sprzetu Komunikacyjnego
- XtremeAir GmbH
- Yaborã Indústria Aeronáutica S.A.
- Zaklad Szybowcowy Jezow
- Zenair Ltd.
- Zlin Aircraft a.s.
- ZLT Zeppelin Luftschifftechnik GmbH & Co KG
- Zodiac Aero Evacuation Systems
- Zodiac Aerotechnics
- Zodiac Seats California LLC
- Zodiac Seats France