Airworthiness directives, 1975

248 ADs took effect in 1975. 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)) = 1975
  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 75-22-11High Pressure Turbine Thermal Shield · General Electric CF6-6D and CF6-6D1Effective Oct 28, 1975AD 75-22-10Hub Lock Washer · Enstrom Helicopter Corporation, The 280 and F-28AEffective Oct 28, 1975AD 75-22-19Main Landing Gear · Aermacchi F.260 and F.260BEffective Oct 27, 1975AD 75-22-14Propeller Air Dome Pressure · Piper PA-31PEffective Oct 24, 1975AD 75-22-03Tail Rotor Drive Shaft · MD Helicopters 369, 369A, 369H and 3 moreEffective Oct 24, 1975AD 75-22-05Second Stage Turbine Wheels · Rolls-Royce 501-D13, 501-D13A, 501-D13D and 2 moreEffective Oct 23, 1975AD 75-22-04Tail Rotor Blades · MD Helicopters 369, 369A, 369H and 3 moreEffective Oct 23, 1975AD 75-21-04Batteries · SOCATA MS 880BEffective Oct 22, 1975AD 75-21-03Tail Boom · Airbus Helicopters SA.316B Alouette III, SA.316C Alouette III, SA.319B Alouette III and 1 moreEffective Oct 20, 1975AD 75-06-03Pitch Link Assembly · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 1 moreEffective Oct 20, 1975AD 75-21-02Fuselage Frame · DaimlerChrysler Aerospace BO-209-150 FF, BO-209-150 FV, BO-209-150 RV and 2 moreEffective Oct 16, 1975AD 75-21-01Landing Gear · Aermacchi F.260 and F.260BEffective Oct 13, 1975AD 75-20-03Usable Fuel Data · Piper PA-34-200 and PA-34-200TEffective Oct 10, 1975AD 75-05-17Auxiliary Power Units · Airesearch Auxiliary Power Units, 747-100 Series, 747-100B Series and 10 moreEffective Oct 6, 1975AD 75-17-33Baggage Doors · Sikorsky S-61L, S-61N and S-61NMEffective Oct 3, 1975AD 75-20-06HistoricalVertical Tubes · Alexandria 14-19-3A, 17-30, 17-31 and 4 moreEffective Sep 26, 1975 · Replaced by AD 2014-20-12AD 75-19-05Horizontal Drive Shaft · General Electric CF700-2C, CF700-2D, CF700-2D-2 and 1 moreEffective Sep 26, 1975AD 75-20-07Front Bearing Plate Bolt · Piper PA-36-285Effective Sep 22, 1975AD 75-19-03Lavatory Fire Capacitor Assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 moreEffective Sep 19, 1975AD 75-18-07Rotor Blade Pillow Block Assemblies · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 1 moreEffective Sep 19, 1975AD 75-18-06Tail Rotor Pitch Control · Scotts-Bell 47 47B, 47B3, 47D and 5 moreEffective Sep 19, 1975AD 75-19-04Valve System · Aerostar International RX-6, S-40A, S-50A and 2 moreEffective Sep 17, 1975AD 75-01-01Low Turbine Shaft Spline · Pratt & Whitney Division JT8D-1, JT8D-1A, JT8D-7 and 1 moreEffective Sep 17, 1975AD 75-20-08Textron B24REffective Sep 15, 1975AD 75-17-17Flight Attendant Rest Seat · Lockheed Martin L-1011-385-1, L-1011-385-1-14 and L-1011-385-1-15Effective Sep 11, 1975AD 75-15-08Engine Lubrication · Filtrator Company Engine Crankcase Breather and Vacuum Pump… (D'Shannon Products STC SA2219WE)Effective Sep 10, 1975AD 75-19-01Flap Speed · Twin Commander 685, 690 and 690AEffective Sep 8, 1975AD 75-12-11Auto Flight Pitch Computer · Lockheed Martin L-1011-385-1, L-1011-385-1-14 and L-1011-385-1-15Effective Sep 2, 1975AD 74-04-02Ground Spoiler Deployment In Flight · Boeing DC-8-11, DC-8-12, DC-8-21 and 24 moreEffective Sep 2, 1975AD 75-17-03Wing Fuselage Fittings · British Aerospace Regional H.P. 137 Jetstream Mk. 1Effective Sep 1, 1975AD 75-17-01Aileron Control In-Flight · Vickers-Armstrongs Viscount 744, Viscount 745D and Viscount 810Effective Sep 1, 1975AD 74-17-05Ground Spoilers · Gulfstream Aerospace G-1159Effective Sep 1, 1975AD 75-16-15Handbrake Control Valves · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Aug 28, 1975AD 75-16-14Static Inverter Failure · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Aug 28, 1975AD 75-16-12Rear Fuselage Tail Cone · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Aug 28, 1975AD 75-16-09HS External Gearbox Oil Tank Filler Cap And Housing · Rolls-Royce RB211-22B-02, RB211-22B/MOD 72-8700, RB211-524B-02 and 22 moreEffective Aug 27, 1975AD 75-16-07Ring Nuts · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Aug 27, 1975AD 65-18-03Engine Mount Assembly · Vickers-Armstrongs Viscount 744, Viscount 745D and Viscount 810Effective Aug 27, 1975AD 71-20-01Flap Drive Shaft Bearing Assembly · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Aug 25, 1975AD 75-16-08Intermediate and High Pressure Compressors · Rolls-Royce RB211-22B-02, RB211-22B/MOD 72-8700, RB211-524B-02 and 22 moreEffective Aug 22, 1975AD 75-17-37Carburetor Mixture and/or Heat Control · Textron 19A, 23, A23 and 10 moreEffective Aug 20, 1975AD 75-17-31NLG Orifice Support Tube · Boeing DC-8-11, DC-8-12, DC-8-21 and 24 moreEffective Aug 20, 1975AD 75-17-27Main Rotor Head Assembly · Airbus Helicopters Deutschland BO-105A and BO-105CEffective Aug 20, 1975AD 75-17-26Over-Torquing of Engine · Airbus Helicopters SA341GEffective Aug 20, 1975AD 75-17-25Main Rotor Head · Airbus Helicopters SA341GEffective Aug 20, 1975AD 75-17-24Landing Gear Actuator Brackets · Aermacchi S.205 - 18/R, S.205 - 20/R, S.205 - 22/R and 2 moreEffective Aug 20, 1975AD 75-17-22Front Horizontal Stabilizer · SOCATA MS 880B and MS 885Effective Aug 19, 1975AD 75-17-21Cabin Pressurization · Textron BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 7 moreEffective Aug 19, 1975AD 75-17-20Main Rotor Blade · Airbus Helicopters SA341GEffective Aug 19, 1975AD 75-17-19Landing Gear · Aermacchi F.260Effective Aug 19, 1975