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.
20,218 orders newest first
| Order | In force | Applies to | What it is about | System |
|---|---|---|---|---|
| 47-25-04 | Superior Aircraft Company V | Compass Illumination | Other and general | |
| 47-25-03 | Superior Aircraft Company V | Nose Gear Drag Link | Landing gear | |
| 47-25-02 | Superior Aircraft Company V | Wing Fillets | Airframe structure | |
| 47-25-01 | Superior Aircraft Company V, V-2 | Fuel System Rework | Fuel system | |
| 47-22-03 | FS 2003 Corp. PA-12 | Landing Gear Tie Strap | Landing gear | |
| 47-22-01 | Don Luscombe Aviation History Foundation, Inc. 8, 8A, 8B, 8C and 2 more | Bulkhead Reinforcement For Seaplanes | Airframe structure | |
| 47-21-23 | Sky Enterprises, Inc. RC-3 | Engine Cooling Fan | Engine | |
| 47-21-22 | Sky Enterprises, Inc. RC-3 | Engine Mounting Bolt Lock Washers | Engine | |
| 47-21-21 | Sky Enterprises, Inc. RC-3 | Tip Float Struts | Airframe structure | |
| 47-21-20 | Sky Enterprises, Inc. RC-3 | Oil Pressure Gage Line Restrictor | Other and general | |
| 47-21-19 | Sky Enterprises, Inc. RC-3 | Control Clamps or Brass Ferrules | Other and general | |
| 47-21-18 | Sky Enterprises, Inc. RC-3 | Mixture Control Support Bracket | Other and general | |
| 47-21-17 | Sky Enterprises, Inc. RC-3 | Backfire Screen | Other and general | |
| 47-21-16 | Sky Enterprises, Inc. RC-3 | Fuel Strainer Drain | Other and general | |
| 47-21-15 | Sky Enterprises, Inc. RC-3 | Radio Filters | Instruments and avionics | |
| 47-21-14 | Sky Enterprises, Inc. RC-3 | Elevator Control Cable Guide | Flight controls | |
| 47-21-13 | Sky Enterprises, Inc. RC-3 | Elevator Push-Pull Tube Rivets | Flight controls | |
| 47-21-12 | Sky Enterprises, Inc. RC-3 | "No Smoking" Placard | Other and general | |
| 47-21-11 | Sky Enterprises, Inc. RC-3 | Firewall Stud Bushings | Other and general | |
| 47-21-10 | Sierra Hotel Aero, Inc. Navion (Army L-17A) | Propeller Guide Pin Dowel | Propeller | |
| 47-21-09 | Sierra Hotel Aero, Inc. Navion (Army L-17A) | Hydraulic System Modifications | Heating, ice protection and utility systems | |
| 47-21-08 | Sierra Hotel Aero, Inc. Navion (Army L-17A) | Generator Terminal Stud Insulator | Electrical power | |
| 47-21-07 | Sierra Hotel Aero, Inc. Navion (Army L-17A) | Carburetor Air Intake Scoop Filler Strip | Engine | |
| 47-21-05 | Sierra Hotel Aero, Inc. Navion (Army L-17A) | Propeller Control Friction Lock | Propeller | |
| 47-21-04 | Sierra Hotel Aero, Inc. Navion (Army L-17A) | Fuel Scupper Drain Line | Other and general | |
| 47-21-03 | Fairchild Personal Planes Division, Fairchild Engine and... 24R46, 24R46A (Army UC-61K), 24R46S, 24W-41A (Army UC-61A) and 2 more | Rudder Cable Turnbuckles | Flight controls | |
| 47-21-02 | Fairchild Personal Planes Division, Fairchild Engine and... 24R46, 24R46S, 24W-46, 24W-46S | 20-Ampere Landing Light Fuse | Electrical power | |
| 47-21-01 | Fairchild Personal Planes Division, Fairchild Engine and... 24R46, 24R46S, 24W-46, 24W-46S | Starter Relay Terminal Wire | Engine | |
| 47-20-09 | Univair Aircraft Corporation 415-C, 415-CD, 415-D | Voltage regulator check | Electrical power | |
| 47-20-08 | Univair Aircraft Corporation 415-C, 415-CD, 415-D | Battery box drain | Electrical power | |
| 47-20-06 | Univair Aircraft Corporation 415-C, 415-CD, 415-D | Aileron reinforcement | Flight controls | |
| 47-20-05 | Univair Aircraft Corporation 415-C, 415-CD, 415-D | Belly skin reinforcement | Airframe structure | |
| 47-20-04 | Univair Aircraft Corporation 415-C, 415-CD, 415-D | Baggage Compartment Zipper | Other and general | |
| 47-20-03 | Univair Aircraft Corporation 415-C, 415-CD, 415-D | Fuel pump line alteration | Fuel system | |
| 47-20-02 | American Champion Aircraft Corp. 11AC, 7AC | Oleo Piston | Engine | |
| 47-16-03 | Taylorcraft 2000, LLC, Taylorcraft, Inc. BC, BC-65, BC12-65, BC12-D and 24 more | Wing Strut Fittings | Landing gear | |
| 47-16-02 | The Boeing Company C54-DC, C54A-DC, C54B-DC, C54D-DC and 3 more | Flexible Conduit Between the Solenoid and the Firewall Junction Box | Other and general | |
| 47-16-01 | The Boeing Company C54-DC, C54A-DC, C54B-DC, C54D-DC and 3 more | Circuit Breaker Switches in Each Nacelle Junction Box | Electrical power | |
| 47-14-02 | The Boeing Company S-307, SA-307B, SA-307B-1 | Main Landing Gear Motors | Landing gear | |
| 47-14-01 | Bellanca Aircraft Corporation 14-13, 14-13-2 | Flap Hinge Bracket | Flight controls | |
| 47-13-02 | Taylorcraft 2000, LLC BC-65, BC12-65, BC12-D, BCS-65 and 3 more | Fuel Hose | Fuel system | |
| 47-12-02 | The Boeing Company C54-DC, C54A-DC, C54B-DC, C54D-DC and 3 more | Center Main Bearings | Other and general | |
| 47-12-01 | The Boeing Company C54-DC, C54A-DC, C54B-DC, C54D-DC and 3 more | Openings Around the Control Cables and Flap Buss System | Flight controls | |
| 47-11-02 | Sierra Hotel Aero, Inc. Navion (Army L-17A) | Hartzell Propeller Blade Rework | Propeller | |
| 47-11-01 | Sierra Hotel Aero, Inc. Navion (Army L-17A) | Rudder-Nose Gear Steering Bellcrank | Landing gear | |
| 47-10-40 | Don Luscombe Aviation History Foundation, Inc. 8, 8A, 8B, 8C and 2 more | Rudder Control Arm Reinforcement | Flight controls | |
| 47-10-39 | Lockheed Aircraft Corporation 49-46 | Aileron Trailing Edge | Flight controls | |
| 47-10-38 | Lockheed Aircraft Corporation 49-46 | Landing Gear Drag Link Cross-Head | Landing gear | |
| 47-10-37 | Lockheed Aircraft Corporation 49-46 | Landing Gear Fulcrum Bolts | Landing gear | |
| 47-10-36 | Lockheed Aircraft Corporation 49-46 | Wing Leading Edge Rework | Airframe structure |
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.