Airworthiness directives, 1971

127 ADs took effect in 1971. 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)) = 1971
  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 72-01-01Engine Flex Hose Assemblies · Alexandria 14-19-2, 14-19-3, 14-19-3A and 1 moreEffective Dec 31, 1971AD 71-26-03Servo Support Bracket · Sikorsky S-55 and S62AEffective Dec 30, 1971AD 71-15-02Flight Deck Roof Panel · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Dec 21, 1971AD 71-20-05Idler Pulley Bearings · Schweizer 269A, 269A-1 and 269BEffective Dec 18, 1971AD 71-25-08Inspect Main Rotor Blades · Hiller UH-12, UH-12A, UH-12B and 6 moreEffective Dec 14, 1971AD 71-25-07Fuel Nozzle Support Assemblies · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-1A and 3 moreEffective Dec 14, 1971AD 71-25-06Water At Station 360 Bulkhead · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 moreEffective Dec 13, 1971AD 71-25-04Aileron Control Cables · Sabreliner NA-265, NA-265-20, NA-265-30 and 3 moreEffective Dec 4, 1971AD 71-25-03Fuel and Oil Restrictor · Textron 19A, A23-24, A23A and 6 moreEffective Dec 3, 1971AD 71-24-09Airspeed Placard and Indicator Markings · Textron 56TCEffective Nov 30, 1971AD 71-24-08Landing Gear Torque Tube · FH1100 Manufacturing FH-1100Effective Nov 30, 1971AD 71-08-02Control Of Speed Brake · Boeing DC-9-11, DC-9-12, DC-9-13 and 19 moreEffective Nov 30, 1971AD 70-22-05Electrical System Modifications · Piper PA-23-250 (Navy UO-1), PA-30, PA-31 and 1 moreEffective Nov 30, 1971AD 65-21-04Control Bearing · Hartzell Propeller HC-12X20-7 and HC-12X20-8Effective Nov 30, 1971AD 71-24-06Attach Lug Engine Mount Strut · FH1100 Manufacturing FH-1100Effective Nov 26, 1971AD 71-23-02Attachment Fittings · Gulfstream Aerospace G-159Effective Nov 26, 1971AD 71-17-05Main Rotor Mast · Brantly International B-2, B-2A and B-2BEffective Nov 26, 1971AD 71-24-02Failure of Transmission Mount Strut · FH1100 Manufacturing 1100 and FH-1100Effective Nov 24, 1971AD 71-24-04Flexible Hoses In Engine Compartment · Cessna 177, 206, 210D and 28 moreEffective Nov 23, 1971AD 71-08-03Particle Separation Kit · Bell Helicopter Textron Canada 206A and 206A-1 (OH-58A)Effective Nov 18, 1971AD 70-25-04Cracking Of Wing Center Section · Textron 65-90Effective Nov 16, 1971AD 71-22-02Cracks In Nose Gear Fork · Cessna 150, 150A, 150B and 52 moreEffective Nov 9, 1971AD 71-16-02Rotex Voltage Sensing Unit · Textron DH.125 Series 1A and DH.125 Series 1A-522Effective Nov 5, 1971AD 71-21-04Piston Bearing Lock Pins · Kelowna Flightcraft R & D 340, 440 and Military C-131EEffective Oct 28, 1971AD 71-20-07Landing Gear Selector Lever Switch · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Oct 22, 1971AD 71-06-01Faults, Failures and Improper Operation · Textron 99, 99A, 99A (FACH) and 4 moreEffective Oct 19, 1971AD 71-20-03Relay In Elevator Servodyne Circuit · Sud Caravelle SE 210 Model VIREffective Oct 18, 1971AD 71-08-05Main Gear Drag Strut · Maryland Air Industries F-27, F-27A, F-27B and 9 moreEffective Oct 14, 1971AD 71-21-10Cockpit Voice Recorder · Microdot Cockpit Voice RecorderEffective Oct 13, 1971AD 71-21-08Binding of Fuel Selector Handle · Piper PA-28-140, PA-28-180, PA-28R-180 and 1 moreEffective Oct 13, 1971AD 71-21-07Loss of AC Power System · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 moreEffective Oct 12, 1971AD 71-21-06Engine Firewall Flex Duct · Piper PA-23-250 (Navy UO-1)Effective Oct 12, 1971AD 70-26-03Main Landing Gear Trunnion Support Beam · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 moreEffective Oct 8, 1971AD 71-21-03Link in Servo Valve Input Linkage · Sikorsky S-61A, S-61D, S-61E and 5 moreEffective Oct 7, 1971AD 71-20-04Lower Fuselage Longeron · American Champion 7ECA, 7GCAA, 7GCBC and 1 moreEffective Sep 30, 1971AD 71-19-02Hydraulic System · Sud Caravelle SE 210 Model VIREffective Sep 27, 1971AD 71-20-02Emergency Escape Hatches · de Havilland Aircraft Co., Ltd., The D.H.114 Heron Series 2A, D.H.114 Heron Series 2DA and D.H.114 Heron Series 2XEffective Sep 23, 1971AD 71-19-06Escape Hatch Lock Check · de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 1A, D.H. 104 Dove Series 2A, D.H. 104 Dove Series 5A and 7 moreEffective Sep 21, 1971AD 71-19-05Failure Of Saddle Bracket · Airbus BAC 1-11 200 SeriesEffective Sep 20, 1971AD 64-15-03Flap System Components · Boeing DC-8-11, DC-8-12, DC-8-21 and 24 moreEffective Sep 11, 1971AD 67-02-03Rear Service Door · Kelowna Flightcraft R & D 340Effective Sep 8, 1971AD 71-19-01Airbrake Bearing Bracket Failure · Alexander Schleicher K 8 and K 8 BEffective Sep 7, 1971AD 71-07-01Front Compressor Front Hub · Pratt & Whitney Division JT8D-1, JT8D-1A, JT8D-7 and 1 moreEffective Sep 7, 1971AD 64-09-06Airbrake Push Pull Rod · Alexander Schleicher K 8, K 8 B, Ka 6 and 15 moreEffective Sep 7, 1971AD 71-18-03Left Nose Wheel Door Hinge · Wheel well doors (Apache Modification STC SA598SW)Effective Sep 2, 1971AD 71-09-02Rudder Hydraulic Support Fitting · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 moreEffective Sep 2, 1971AD 71-18-02Counterweight Assembly · McCauley Propeller Systems 2AF34C55Effective Aug 31, 1971AD 71-18-01Fuel Selector Valve Placard · Cessna 172, 172A, 172B and 16 moreEffective Aug 31, 1971AD 71-17-09Loose Rudder Fittings · K & L Soaring SGS 1-23H and SGS 1-23H-15Effective Aug 26, 1971AD 71-17-08Rear Engine Stoppage On Take Off · Cessna 337, 337A, 337B and 6 moreEffective Aug 24, 1971