Airworthiness directives, 1999

507 ADs took effect in 1999. Every AD since 1946 has a page with its text, status and the registered aircraft it may apply to.

Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.makes, d.models, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE year(coalesce(d.effective_date, d.publication_date, d.issue_date)) = 1999
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Earlier years
AD 99-25-16Inspect Vertical Flange Of Inboard Z-Stiffeners · Fokker Services F27 Mark 050Effective Dec 28, 1999AD 99-22-14HistoricalHigh Pressure Turbine Shaft · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 moreEffective Dec 28, 1999 · Replaced by AD 2004-26-04AD 99-24-04 C1Hi-Lok Pin Fasteners · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 moreEffective Dec 27, 1999 · Supersedes AD 99-24-04AD 99-24-04HistoricalHi-Lok Pin Fasteners · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 2 moreEffective Dec 27, 1999 · Replaced by AD 99-24-04 C1AD 99-24-03Wire Harness Support Bracket/Clamp · Boeing MD-11 and MD-11FEffective Dec 27, 1999AD 99-23-20Transient Suppression Diode · Boeing 737-100 Series, 737-200 Series, 737-300 Series and 2 moreEffective Dec 27, 1999AD 99-22-10High Pressure Compressor (HPC) Spool and Disk · General Electric Aircraft Engines CF34-1A, CF34-3A, CF34-3A1 and 1 moreEffective Dec 27, 1999AD 99-19-20AFM - Limitations Section - Ice Protection System · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 moreEffective Dec 27, 1999AD 99-19-19AFM - Limitation Section - Ice Protection Sys. · Fokker Services F27 Mark 050, F27 Mark 100, F27 Mark 200 and 5 moreEffective Dec 27, 1999AD 99-19-18AFM - Limitations Section - Ice Protection Sys. · Bombardier DHC-8-101, DHC-8-102, DHC-8-103 and 14 moreEffective Dec 27, 1999AD 99-19-17AFM - Limitation Section - Ice Protection System · Lockheed Martin 1329-23A, 1329-23D, 1329-23E and 1 moreEffective Dec 27, 1999AD 99-19-16AFM - Limitations Section - Ice Protection System · 328 Support Services 328-100Effective Dec 27, 1999AD 99-19-15AFM - Limitations Section - Ice Protection Systems · EADS CASA C-212-CB, C-212-CC, C-212-CD and 8 moreEffective Dec 27, 1999AD 99-19-14AFM - Limitations Section - Ice Protection System · Saab AB, Saab Aerosystems SAAB 2000, SAAB 340B and 340A (SAAB SF340A)Effective Dec 27, 1999AD 99-19-13AFM - Limitations Section - Ice Protection System · BAE Systems HS 748 Series 2A and HS 748 Series 2BEffective Dec 27, 1999AD 99-19-11AFM - Ice Protection Systems · BAE Systems ATPEffective Dec 27, 1999AD 99-19-10AFM - Ice Protection Systems · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 8 moreEffective Dec 27, 1999AD 99-19-09AFM - Limitation Section - Ice Protection System · Maryland Air Industries F-27, F-27A, F-27B and 9 moreEffective Dec 27, 1999AD 99-19-08AFM - Deicing · Lockheed 14-H, 14-H2, 14-N and 3 moreEffective Dec 27, 1999AD 99-19-07AFM - Limitation Section - Ice Protection System · Frakes G-73Effective Dec 27, 1999AD 99-19-06AFM - Limitations Section - Ice Protecting Sys. · Mitsubishi Heavy Industries YS-11, YS-11A-200, YS-11A-300 and 2 moreEffective Dec 27, 1999AD 99-19-03AFM - Limitations Section - Ice Protection System · Sabreliner NA-265-40, NA-265-60, NA-265-70 and 1 moreEffective Dec 27, 1999AD 98-24-03 R1Combustion Core Fairings · Rolls-Royce Deutschland BR700-710A1-10 and BR700-710A2-20Effective Dec 27, 1999AD 99-25-13 C1HistoricalLimitations Section - AFM - Backup Generator Having Sheared Shaft · Boeing 777-200 Series and 777-300 SeriesEffective Dec 23, 1999 · Replaced by AD 2000-13-04AD 99-25-13HistoricalLimitations Section - Airplane Flight Manual - Backup Generator · Boeing 777-200 Series and 777-300 SeriesEffective Dec 23, 1999 · Replaced by AD 99-25-13 C1AD 99-25-07Main Brake Assemblies · Airbus A319-111, A319-112, A319-113 and 13 moreEffective Dec 23, 1999AD 99-23-21Reverse Thrust Switches and Actuators · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 moreEffective Dec 21, 1999AD 99-23-19Spoiler Actuator · Learjet 31, 31A, 35 and 2 moreEffective Dec 21, 1999AD 99-23-17Main Gearbox Epicyclic Module Attachment Bolt · Airbus Helicopters AS332C, AS332L and AS332L1Effective Dec 21, 1999AD 99-25-05Hub · Hartzell Propeller HD-E6C-3Effective Dec 20, 1999AD 99-23-11Inspect Fuel Feed Pipe · BAE Systems Avro 146-RJ100A, Avro 146-RJ70A, Avro 146-RJ85A and 3 moreEffective Dec 20, 1999AD 99-23-16HistoricalInspect Vertical Flange of Inboard Z-Stiffeners · Airbus A330-202, A330-223, A330-301 and 9 moreEffective Dec 17, 1999 · Replaced by AD 2018-09-02AD 99-23-15Flight Attendant Panel 19VE · 328 Support Services 328-100Effective Dec 17, 1999AD 99-23-14AFM Changes-Emergency Lighting · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 21 moreEffective Dec 17, 1999 · Supersedes AD 88-18-01AD 99-23-13Forward and Aft Frame Inspection · Boeing 727-200 SeriesEffective Dec 17, 1999AD 99-23-12Co-Pilot Control Cables And Fairleads/Swivel Guides · 328 Support Services 328-100Effective Dec 17, 1999AD 99-23-10PS Wire Bundle · Textron Hawker 1000Effective Dec 17, 1999AD 99-23-09Nose Landing Gear Wheel Rotation · Airbus A319-111, A319-112, A319-113 and 15 moreEffective Dec 17, 1999AD 99-23-08Fuel Quantity Indicating System (FQIS) Wiring · Boeing DC-9-11, DC-9-12, DC-9-13 and 15 moreEffective Dec 17, 1999AD 99-23-06Main Landing Gear Locking Indication System · Aerospatiale SN-601 CorvetteEffective Dec 17, 1999AD 99-23-05Inspect Wing Ladder Plates for Cracks · Bombardier DHC-8-101, DHC-8-102, DHC-8-103 and 6 moreEffective Dec 17, 1999AD 99-22-01Tail Boom Frame Flange Inspection · Airbus Helicopters Deutschland EC135P1 and EC135T1Effective Dec 17, 1999AD 99-25-02Torque Tube Crank · Boeing 737-100 Series, 737-200 Series, 737-300 Series and 2 moreEffective Dec 15, 1999AD 99-24-18HistoricalTail Rotor Spider Plate Bearing · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 8 moreEffective Dec 15, 1999 · Replaced by AD 2001-17-32AD 99-24-13AFM - Flight Director #2 Coupled To Autopilot · Embraer EMB-135ER, EMB-135LR, EMB-145 and 3 moreEffective Dec 15, 1999AD 99-24-14Stage 2 High Pressure Turbine (HPT) Disks · General Electric CF6-80E1A2Effective Dec 13, 1999AD 99-24-08Electrically Powered Airplane Systems · Boeing 737-100 Series, 737-200 Series, 737-300 Series and 2 moreEffective Dec 13, 1999AD 99-23-02"CONNECTRAL" Green Electrical Module · Airbus Helicopters AS-365N2, SA-365N and SA-365N1Effective Dec 8, 1999AD 99-23-01Grip Assembly P/N A756-6 Rev. A thru 7 N · Robinson Helicopter R44Effective Dec 8, 1999AD 99-22-17MLG Downlock And Brake Hydraulic Swivels · Saab AB, Saab Aerosystems SAAB 340B and 340A (SAAB SF340A)Effective Dec 7, 1999