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 71-17-07Wing Flap Attachment Rib · Aerostar PA-60-600 (Aerostar 600) and PA-60-601 (Aerostar 601)Effective Aug 23, 1971AD 70-23-04Wing Flap Tracks · Aerostar PA-60-600 (Aerostar 600) and PA-60-601 (Aerostar 601)Effective Aug 23, 1971AD 71-15-01Forward Cabin Attendant's Seat · Boeing DC-9-11, DC-9-12, DC-9-13 and 19 moreEffective Aug 21, 1971AD 71-17-03Hubs · McCauley Propeller Systems D3A32C77, D3A32C79, D3A32C88 and 1 moreEffective Aug 18, 1971AD 71-17-06Stage 2, 3, 7 and 8 Compressor Rotor Discs · Pratt & Whitney Division J60-P-5B, JT12A-6, JT12A-6A and 1 moreEffective Aug 17, 1971AD 71-17-02Body Gear Steering · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 moreEffective Aug 17, 1971AD 53-24-01Stabilizer Strut Terminal · Grumman American G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B)Effective Aug 17, 1971AD 71-17-01Fuel Line Blockage · Maule Aerospace Technology M-4-180C and M-4-220CEffective Aug 16, 1971AD 71-20-08Placard On Cabin Pressurization · Vickers-Armstrongs Viscount 810Effective Aug 13, 1971AD 71-19-04Placard On Cabin Pressurization · Vickers-Armstrongs Viscount 744 and Viscount 745DEffective Aug 6, 1971AD 71-16-07Carburetor Heating System · SOCATA MS 894AEffective Aug 4, 1971AD 71-16-04Battery Change or Modification of Comb · Learjet 23, 24 and 25Effective Aug 3, 1971AD 71-16-01Fuel Cell Flapper Valves · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 moreEffective Aug 3, 1971AD 71-13-03Dunlop Air Bottles · 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 Jul 31, 1971AD 71-13-02Dunlop Air Bottle · 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 Jul 31, 1971AD 71-16-05Voltage Sensing Unit · Airbus BAC 1-11 200 Series and BAC 1-11 400 SeriesEffective Jul 29, 1971AD 71-16-03Fuel Line Replacement · SOCATA MS 894AEffective Jul 29, 1971AD 71-15-03Generator System Cables · SOCATA MS 880B and MS 894AEffective Jul 26, 1971AD 71-05-03Known Icing Conditions · Textron 99, 99A, 99A (FACH) and 5 moreEffective Jul 16, 1971AD 63-26-03Tail Area Inspection · Piper PA-23 and PA-23-160Effective Jul 13, 1971AD 71-14-06Magnetos Grounding · Piper PA-28-140, PA-28-150, PA-28-160 and 2 moreEffective Jul 9, 1971AD 71-14-03Regulator · International Inflatables RegulatorEffective Jul 2, 1971AD 71-14-02Tubeless Tires · BFGoodrich Tubeless TiresEffective Jul 2, 1971AD 70-26-04Stabilizer Balance Weight Tube · Piper PA-28-140, PA-28-150, PA-28-160 and 8 moreEffective Jun 24, 1971AD 71-13-05Landing Gear Wheel Forks · Dornier Luftfahrt Do 28 D-1Effective Jun 23, 1971AD 71-13-01HistoricalFuel Injector Manifold To Nozzle Tube Assemblies · Lycoming Engines TIO-540-A1A, TIO-540-A1B, TIO-540-A1C and 3 moreEffective Jun 22, 1971 · Replaced by AD 71-13-01 R1AD 71-12-05Electric Trim Switch Modification · Piper PA-23-250 (Navy UO-1), PA-24-260, PA-30 and 5 moreEffective Jun 16, 1971AD 71-12-03Flex Drive Elevator Tab Control · Grumman American G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B)Effective Jun 10, 1971AD 71-12-01Engine Control Support Bracket · Piper PA-23, PA-23-160 and PA-23-250 (Navy UO-1)Effective Jun 8, 1971AD 71-06-08Wheel/Brake Assembly · Cleveland Aircraft Products Wheel/Brake AssemblyEffective Jun 8, 1971AD 70-10-01Instrument Panel Circuit Boards · Textron 99, 99A, 99A (FACH) and 4 moreEffective Jun 3, 1971AD 69-08-02Elevator Spar Web · Textron 99, 99A, 99A (FACH) and 4 moreEffective Jun 3, 1971AD 69-06-06Rudder Spar · Textron 65-80, 65-88, 65-90 and 12 moreEffective Jun 3, 1971AD 71-09-04Main Landing Gear Actuator Beam · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 moreEffective May 28, 1971AD 71-11-03VNE Placard · FH1100 Manufacturing 1100 and FH-1100Effective May 19, 1971AD 71-11-01Protection for Circuit Wires · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 moreEffective May 19, 1971AD 71-06-03Twelfth Stage Compressor Rotor Disc · Pratt & Whitney Division JT4A-10, JT4A-11, JT4A-12 and 3 moreEffective May 19, 1971AD 70-22-04Circuit Breakers · Wood Electric Circuit BreakersEffective May 19, 1971AD 60-08-05Cooling Shield to Wheel Lip Clearance · Curtiss-Wright/Marquette Double Row Turbo Cyclone 972TC18DA1 (R-3350-34, -91), Double Row Turbo Cyclone 972TC18DA2, Double Row Turbo Cyclone 972TC18DA3 and 8 moreEffective May 19, 1971AD 70-26-01Passenger Evacuation System · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 moreEffective May 18, 1971AD 71-10-02Overvoltage Relay Ground · Aerostar PA-60-600 (Aerostar 600) and PA-60-601 (Aerostar 601)Effective May 14, 1971AD 71-10-01Fuel Leakage · Alexandria 17-30Effective May 8, 1971AD 71-08-04Undervoltage Sensing Unit · Vickers-Armstrongs Viscount 744, Viscount 745D and Viscount 810Effective May 8, 1971AD 70-24-02Main Landing Gear Wheel Bearing · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 moreEffective May 7, 1971AD 71-09-06Cracks In Main Gear Gland Nut · Martin-Marietta 202, 202A and 404Effective May 4, 1971AD 71-02-02Twelfth Stage Compressor Rotor Disc · Pratt & Whitney Division JT4A-10, JT4A-11, JT4A-12 and 3 moreEffective May 4, 1971AD 71-09-05Front Seat Belt Attaching Hardware · Piper PA-32-260, PA-32-300 and PA-32S-300Effective Apr 30, 1971AD 71-09-03Gasket and/or Fuel Leakage · Continental Motors TSIO-360-A, TSIO-520-B, TSIO-520-D and 2 moreEffective Apr 29, 1971AD 71-09-01Nacelle Electrical Failures · Cessna 320, 320-1, 320A and 5 moreEffective Apr 23, 1971AD 71-08-01Aft Evacuation Slide · Boeing DC-9-11, DC-9-12, DC-9-13 and 19 moreEffective Apr 20, 1971