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 |
|---|---|---|---|---|
| 58-10-08 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Landing Gear Nut Replacement | Landing gear | |
| 58-10-07 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Aileron Control Lock Clearance | Flight controls | |
| 58-10-06 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Flap Switch Lever | Flight controls | |
| 58-10-03 | Swift Museum Foundation, Inc. GC-1A, GC-1B | Landing Gear Stop Ring | Landing gear | |
| 58-09-03 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Oil Pressure Warning | Other and general | |
| 58-09-02 | Hartzell Propeller, Inc. HC-82XF-1 | Piston Guide Rod | Propeller | |
| 58-09-01 | Scotts-Bell 47 Inc 47J | Main Rotor Blade Inspection | Rotorcraft systems | |
| 58-08-06 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Landing Gear Ram Foot Fittings | Landing gear | |
| 58-08-05 | Hamilton Standard Division 34E, 43E, 43H | Pitch Lock | Propeller | |
| 58-08-04 | Hamilton Standard Division 232, 242, 34D, 34E and 2 more | Pitch Locks | Propeller | |
| 58-08-03 | Air Trading Corporation, The Boeing Company Navy PV-1, DC3-G102, DC3-G102A, DC3-G103A and 12 more | CB Fire Extinguisher System | Other and general | |
| 58-07-06 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Wing Root Terminal Connections | Airframe structure | |
| 58-07-03 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Inner Nacelle Bolts | Airframe structure | |
| 58-07-01 | Hartzell Propeller, Inc. HC-12X20-1, HC-12X20-2, HC-12X20-3, HC-12X20-4 and 32 more | Split Rings | Propeller | |
| 58-06-02 | Hartzell Propeller, Inc. HC-82XF-1, HC-82XF-2, HC-82XF-3, HC-82XF-6 and 7 more | Split Rings | Propeller | |
| 58-06-01 | Kelowna Flightcraft R & D Ltd. 240 Series | Main Landing Gear Axle | Landing gear | |
| 58-05-03 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Modifications And Inspections | Other and general | |
| 58-05-02 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Modifications And Inspections | Other and general | |
| 58-05-01 | The Boeing Company DC-7C | Goodyear Outboard Wheel Halves | Landing gear | |
| 58-04-02 | Hartzell Propeller, Inc. HC-93Z20-2 | Split Ring | Propeller | |
| 58-04-01 | The Boeing Company DC3-G102, DC3-G102A, DC3-G103A, DC3-G202A and 10 more | Aircraft Passenger Entrance Door | Cabin, seats and restraints | |
| 58-03-02 | Hamilton Standard Governors | Governors | Other and general | |
| 58-02-03 | Hiller Aviation UH-12, UH-12A, UH-12B, UH-12C and 1 more | Carburetor Mixture Control Removal | Engine | |
| 58-02-01 | Scotts-Bell 47 Inc 47J | Rotor Blade Bond Separation | Rotorcraft systems | |
| 58-01-05 | Lockheed Aircraft Corporation 1049-54, 149-46, 49-46, 649-79 and 3 more | Wing Skin and Stringer Inspection | Airframe structure | |
| 58-01-04 | Helio Aircraft LLC H-391B | Aileron Bellcrank Inspection | Flight controls | |
| 58-01-03 | Kelowna Flightcraft R & D Ltd. 340, 440 | Carburetor Setting | Engine | |
| 58-01-01 | Twin Commander Aircraft LLC 520, 560, 560-A, 560-E and 1 more | Fuel Vent Line Replacement | Fuel system | |
| 57-26-02 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Flap Idler Sprocket | Flight controls | |
| 57-25-02 | Helio Aircraft LLC H-391B | Fin Spar Inspection | Airframe structure | |
| 57-25-01 | Aircraft Dusting & Spraying Spray Pressure Regulator | Spraying Operations | Other and general | |
| 57-24-01 | Curtiss-Wright/Marquette, Inc. Double Row Turbo Cyclone 972TC18DA1 (R-3350-34, -91),... and 7 more | Impeller Drive Gear Assemblies | Engine | |
| 57-23-01 | Lockheed Aircraft Corporation 18 | Vacuum System Fusible Plug | Heating, ice protection and utility systems | |
| 57-20-04 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Landing Gear Retraction Jack | Landing gear | |
| 57-20-01 | American Champion Aircraft Corp. 7FC | Fireproof Steering Link Boot | Other and general | |
| 57-19-02 | Sikorsky Aircraft Corporation S-58A, S-58B, S-58BT, S-58C and 11 more | Engine Cooling Fan Assembly | Engine | |
| 57-16-04 | Hamilton Standard Governors | Governors | Propeller | |
| 57-16-03 | The Boeing Company DC-7, DC-7B, DC-7C | Elevator Tab Pushrod | Flight controls | |
| 57-16-02 | The Boeing Company DC-7, DC-7B, DC-7C | Rudder Tab Push-Pull Tube | Flight controls | |
| 57-16-01 | The Boeing Company C54-DC, C54A-DC, C54B-DC, C54D-DC and 3 more | Nose Gear Piston Tube | Engine | |
| 57-15-02 | Airlift International, Inc., Curtiss-Wright Corporation C-46A, C-46D, C-46F, C-46R and 11 more | Lightening Holes | Other and general | |
| 57-15-01 | Twin Commander Aircraft LLC 560-A, 560-E, 680 | Landing Gear Retaining Pins | Landing gear | |
| 57-14-03 | Vickers-Armstrongs (Aircraft Limited) Viscount 744, Viscount 745D | Flap Torque Rework | Flight controls | |
| 57-14-02 | Davis Aircraft Products, Inc. Safety Belts | Safety Belts | Other and general | |
| 57-14-01 | Kelowna Flightcraft R & D Ltd. 240 Series, 340 | Nose Gear | Landing gear | |
| 57-13-05 | Hamilton Standard Propeller Blades | Propeller Shank | Propeller | |
| 57-13-01 | Revo, Incorporated Colonial C-1 | Engine Strut Fittings | Engine | |
| 57-12-05 | Kelowna Flightcraft R & D Ltd. 340 | Elevator Main Spar | Flight controls | |
| 57-12-04 | Scotts-Bell 47 Inc 47B, 47B3, 47D, 47D1 and 4 more | Tail Rotor Blade Inspection | Rotorcraft systems | |
| 57-12-03 | Scotts-Bell 47 Inc 47J | Engine Sprag Spindle | Engine |
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.