The U.S. aircraft register, updated daily
FAA orders · 20,218 airworthiness directives on file

What the FAA has ordered

An airworthiness directive is an order: when the FAA finds an unsafe condition in a design, it tells the owners of every aircraft, engine or propeller of that design what to inspect, repair or replace, and by when. 20,218 are on file, 291 of them issued as emergencies, 310 so far this year. Each one here is linked to the model families and engine series it names, with the number of aircraft on the register today.

270 orders from 1993 newest first

OrderIn forceApplies toWhat it is aboutSystem
93-23-08 1993-12-29 Textron Aviation Inc. BAe.125 Series 1000B, BAe.125 Series 800A, BAe.125... and 37 more Battery and Emergency ContactorsElectrical power
93-24-07 1993-12-23 Textron Aviation Inc. BAe.125 Series 800A, BAe.125 Series 800A (C-29A),... and 2 more Auxiliary Power Unit (APU) Fuel Control Enclosure BoxEngine
93-23-03 1993-12-22 The Boeing Company DC-9-11, DC-9-12, DC-9-13, DC-9-14 and 18 more Evacuation SlidesEmergency equipment
93-22-10 1993-12-22 ATR - GIE Avions de Transport R gional, ATR - GIE Avions... ATR42-200, ATR42-300, ATR42-320, ATR42-500 and 7 more Aileron Control SystemFlight controls
93-19-08 1993-12-22 ATR - GIE Avions de Transport R gional, ATR - GIE Avions... ATR42-200, ATR42-300, ATR42-320 Main Landing Gear InspectionLanding gear
93-18-05 1993-12-21 MD Helicopters, Inc. 369D, 369E, 369F, 369FF and 1 more Fuel Vent LineFuel system
93-22-07 1993-12-20 Textron Aviation Inc. BAe.125 Series 800A, BAe.125 Series 800A (C-29A),... Forward Cabin DoorCabin, seats and restraints
93-22-06 1993-12-17 Airbus A300 B2-1A, A300 B2-1C, A300 B2-203, A300 B2K-3C and 3 more Generator Control UnitElectrical power
93-21-03 1993-12-17 Schweizer Aircraft Corporation 269A, 269A-1, 269B Magnesium Tailboom FittingOther and general
93-20-03 1993-12-17 Lockheed Martin Corporation L-1011-385-1, L-1011-385-1-14, L-1011-385-1-15, L-1011-385-3 Corrosion TasksAirframe structure
93-19-07 1993-12-17 F.28 Mark 0100 Escape SlidesOther and general
93-22-09 1993-12-16 BAE Systems (Operations) Limited ATP Hydraulic Selector ValvesHeating, ice protection and utility systems
93-22-03 1993-12-16 F.28 Mark 0100 Inspect Rudder Pedal AssembliesFlight controls
93-22-01 1993-12-16 F.28 Mark 0100 Liftdumper System WiringElectrical power
93-23-12 1993-12-15 Learjet Inc. 60 Heating SystemsHeating, ice protection and utility systems
93-22-05 1993-12-14 Continental Motors, Continental Motors C90-12F, C90-12FH, C90-12FJ, C90-12FP and 21 more Carburetor Air Intake Housing AssembliesEngine
93-16-15 1993-12-14 Continental Motors IO-520-B, IO-520-BA, IO-520-BB, IO-520-C and 26 more Fuel Pump Drive ShaftEngine
93-21-11 1993-12-13 Fokker Services F27 Mark 100, F27 Mark 200, F27 Mark 300, F27 Mark 400 and 3 more Brake Control ValveEngine
93-21-09 1993-12-13 Airbus A320-111 Inspect Rivet HeadsOther and general
93-21-08 1993-12-13 The Boeing Company DC-8-72, DC-8-72F, DC-8-73, DC-8-73F Front Spar Pylon Support FittingsAirframe structure
93-21-07 1993-12-13 BAE Systems (Operations) Limited BAe 146-100A, BAe 146-200A, BAe 146-300A Lift SpoilerOther and general
93-21-06 1993-12-13 Gulfstream Aerospace LP 1125 Westwind Astra Horizontal StabilizerAirframe structure
93-21-05 1993-12-13 ATR - GIE Avions de Transport R gional, ATR - GIE Avions... ATR42-200, ATR42-300, ATR42-320 Autopilot WiringFlight controls
93-23-02 1993-12-07 BAE Systems (Operations) Limited Jetstream Model 4101 Main Entrance DoorAirframe structure
93-23-01 1993-12-07 Airbus, The Boeing Company A300 B2-1A, A300 B2-1C, A300 B2-203, A300 B2K-3C and 125 more Water Heaters and Coffee MakersOther and general
93-22-08 1993-12-03 BAE Systems (Operations) Limited Jetstream Model 4101 Earth Post AssembliesOther and general
93-20-06 1993-12-03 Thrush Aircraft, Inc. 600 S-2D, S-2R, S2R-R1340, S2R-R1820 and 5 more Outboard Wing HuckboltsAirframe structure
93-20-05 1993-12-03 Thrush Aircraft, Inc. S-2R, S2R-G10, S2R-G6, S2R-R1340 and 8 more Vertical Tail Attachment BracketAirframe structure
93-21-02 1993-11-26 Kelowna Flightcraft R & D Ltd. 240 Series Elevators And RudderFlight controls
93-21-01 1993-11-26 F.28 Mark 0100 Hydraulic SystemsHeating, ice protection and utility systems
93-20-04 1993-11-26 The Boeing Company 747-100 Series, 747-100B Series, 747-100B SUD Series,... and 3 more Evacuation Slide/RaftsEmergency equipment
92-19-09 R1 1993-11-26 Short Brothers PLC SD3-30 Service Bulletins ApplicabilityOther and general
93-19-05 1993-11-24 The Boeing Company 767-200 Series, 767-300 Series, 767-300F Series Slat Control and RiggingOther and general
93-18-08 1993-11-24 Pratt & Whitney Canada Corp. JT15D-1, JT15D-1A, JT15D-1B, JT15D-4 and 3 more High Pressure Turbine (HPT) AssemblyEngine
93-18-02 1993-11-24 Airbus A320-111, A320-211, A320-231 Nose Landing Gear wheelsLanding gear
93-17-09 1993-11-24 McDonnell Douglas Corporation DC-10 Series (all) Maintenance Inspection ProgramOther and general
93-17-02 1993-11-24 The Boeing Company 737-200 Series, 737-300 Series, 737-400 Series, 737-500 Series Wing Main Tank Float SwitchElectrical power
93-15-04 1993-11-19 Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q, JT9D-7Q3 Fuel Nozzle And Support AssemblyEngine
93-18-06 1993-11-18 F.28 Mark 0100 Evacuation Of Cabin SmokeEmergency equipment
93-18-04 1993-11-18 ATR GIE Avions de Transport R gional, ATR GIE Avions... ATR42-300, ATR42-320 Fuselage Frame InspectionAirframe structure
93-05-16 R1 1993-11-18 The Boeing Company DC-9-11, DC-9-12, DC-9-13, DC-9-14 and 19 more Inspect Retention NutOther and general
93-20-02 1993-11-17 McDonnell Douglas Corporation DC-8-21, DC-8-32, DC-8-33, DC-8-51 and 8 more AFM Changes - Cargo Door InspectionAirframe structure
83-07-09 R1 1993-11-12 Bombardier Inc. CL-600-1A11 (CL-600), CL-600-2A12 (CL-601) Wire OverheatingElectrical power
93-18-01 1993-11-09 BAE Systems (Operations) Limited Jetstream Model 4101 Aileron Control SystemFlight controls
93-13-11 1993-11-08 Honeywell International Inc. LTP 101-600, LTP 101-600A, LTP 101-600A-1A, LTP 101-700A-1A and 21 more Gas Generator Turbine Rotor DiskEngine
93-18-07 1993-11-03 The Boeing Company 747-100 Series, 747-100B Series, 747-100B SUD Series,... and 8 more Fire Extinguishing Discharge TubesOther and general
93-20-01 1993-11-02 Textron Aviation Inc. 400A, 400T Engine Electronic Fuel Control WiringEngine
93-19-01 1993-10-29 Dowty Propellers (c) R.354, (c) R.375 Retention BoltsPropeller
93-18-03 1993-10-29 Precision Airmotive Corporation Carburetors CarburetorsOther and general
93-17-13 1993-10-20 Schweizer Aircraft Corporation 269A, 269A-1, 269B, 269C Lower Coupling Drive ShaftRotorcraft systems

Source: FAA airworthiness directives (final rules and emergency directives) from the FAA's Dynamic Regulatory System, as of November 9, 2026. The FAA's text is the authority; this site adds the links to models, engines and the register. Related: aircraft systems · type certificates.