# Airworthiness directives, 1974

FAA airworthiness directives effective in 1974: 154 ADs with their full text, status and the aircraft they apply to.

Page 1 of 4 · 154 ADs

- [AD 73-20-01](https://openairdocs.org/ad/73-20-01.md): Front and Rear Spar Fittings · Maryland Air Industries F-27, F-27A, F-27B and 9 more · Effective Dec 31, 1974
- [AD 74-26-02](https://openairdocs.org/ad/74-26-02.md): Rudder Control · Revo Colonial C-1, Colonial C-2, Lake LA-4 and 3 more · Effective Dec 27, 1974
- [AD 74-26-10](https://openairdocs.org/ad/74-26-10.md): Shutting Down Engine · Piper PA-31, PA-31-300, PA-31-350 and 1 more · Effective Dec 26, 1974
- [AD 72-22-05](https://openairdocs.org/ad/72-22-05.md): Operation Limitation Placard · Piper PA-24, PA-24-250 and PA-24-260 · Effective Dec 26, 1974
- [AD 74-26-09](https://openairdocs.org/ad/74-26-09.md): Magnetos · Bendix Electrical Components Division Magnetos · Effective Dec 24, 1974
- [AD 74-26-08](https://openairdocs.org/ad/74-26-08.md): Engine Oil Low Pressure Switch · Sabreliner NA-265-40, NA-265-60 and NA-265-70 · Effective Dec 24, 1974
- [AD 71-21-02](https://openairdocs.org/ad/71-21-02.md): Tail Fin and Tail Boom · Bell Helicopter Textron 205A and 205A-1 · Effective Dec 23, 1974
- [AD 74-26-07](https://openairdocs.org/ad/74-26-07.md): Incorrect Placard Detection · Piper PA-28-180 · Effective Dec 21, 1974
- [AD 74-26-04](https://openairdocs.org/ad/74-26-04.md): Explosion Hazards · Piper PA-31 and PA-31-300 · Effective Dec 19, 1974
- [AD 74-25-08](https://openairdocs.org/ad/74-25-08.md): Wing Rear Spar Fittings · Revo Colonial C-1 and Colonial C-2 · Effective Dec 18, 1974
- [AD 74-25-11](https://openairdocs.org/ad/74-25-11.md): Fire Pull Handle Module Assembly · Lockheed Martin L-1011-385-1 · Effective Dec 16, 1974
- [AD 74-25-10](https://openairdocs.org/ad/74-25-10.md): Rotor Brake Disc · Bell Helicopter Textron Canada 206A and 206B · Effective Dec 16, 1974
- [AD 74-16-05](https://openairdocs.org/ad/74-16-05.md): Main Rotor Head Spindle Lock Nut · Erickson Air-Crane S-64A and S-64E · Effective Dec 12, 1974
- [AD 74-25-01](https://openairdocs.org/ad/74-25-01.md): Fuel System Hose · General Electric CT58-140-1 and CT58-140-2 · Effective Dec 10, 1974
- [AD 74-24-13](https://openairdocs.org/ad/74-24-13.md): Altimeters · United Instruments Altimeters · Effective Dec 5, 1974
- [AD 74-25-02](https://openairdocs.org/ad/74-25-02.md): Electrical Attitude And Directional Gyros · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601) and PA-60-601P (Aerostar 601P) with STC SA2336WE or SA2367WE · Effective Dec 4, 1974
- [AD 74-24-12](https://openairdocs.org/ad/74-24-12.md): Aileron Centering Assembly · Piper PA-28-151 · Effective Dec 2, 1974
- [AD 74-24-11](https://openairdocs.org/ad/74-24-11.md): Main Landing Gear · Lockheed Martin L-1011-385-1 · Effective Dec 2, 1974
- [AD 74-24-10](https://openairdocs.org/ad/74-24-10.md): Wheel Assembly · BFGoodrich Wheel Assembly, 727-100 Series, 727-100C Series and 4 more · Effective Nov 27, 1974
- [AD 74-24-08](https://openairdocs.org/ad/74-24-08.md): Engine Throttle Cables · Lockheed Martin 382, 382B, 382E and 2 more · Effective Nov 27, 1974
- [AD 74-24-06](https://openairdocs.org/ad/74-24-06.md): Landing Gear Position Indicator Lock Switch · Boeing 727-200 Series · Effective Nov 26, 1974
- [AD 74-24-05](https://openairdocs.org/ad/74-24-05.md): Propeller Pitch Control Sleeve Assembly · Honeywell International TPE331-3U, TPE331-3UW, TPE331-5 and 1 more · Effective Nov 26, 1974
- [AD 74-24-03](https://openairdocs.org/ad/74-24-03.md): Strobe Light System · Textron 100, 200, 58 and 16 more · Effective Nov 22, 1974
- [AD 70-14-07](https://openairdocs.org/ad/70-14-07.md): Fuel Injection Pump · Continental Motors IO-360-A, IO-360-C, IO-360-D and 25 more · Effective Nov 22, 1974
- [AD 74-24-04](https://openairdocs.org/ad/74-24-04.md): Lower Center Wing · Lockheed Martin 382, 382B, 382E and 2 more · Effective Nov 20, 1974
- [AD 74-24-01](https://openairdocs.org/ad/74-24-01.md): Main Rotor Blade Grips · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 1 more · Effective Nov 15, 1974
- [AD 74-23-08](https://openairdocs.org/ad/74-23-08.md): Fire Extinguishers · Gulfstream Aerospace G-159 · Effective Nov 15, 1974
- [AD 74-23-07](https://openairdocs.org/ad/74-23-07.md): Air Inlet Duct · Cessna A188B · Effective Nov 15, 1974
- [AD 74-23-09](https://openairdocs.org/ad/74-23-09.md): Inflight Situations · Textron 19A, 23, A23-19 and 2 more · Effective Nov 14, 1974
- [AD 74-23-05](https://openairdocs.org/ad/74-23-05.md): Fuel Pumps · Honeywell International TFE731-2 · Effective Nov 14, 1974
- [AD 75-03-06](https://openairdocs.org/ad/75-03-06.md): Cracks and Optical Distortion · Mitsubishi Heavy Industries MU-2B-26 and MU-2B-36 · Effective Nov 13, 1974
- [AD 74-23-03](https://openairdocs.org/ad/74-23-03.md): Auto Pack Trip System · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more · Effective Nov 8, 1974
- [AD 74-25-05](https://openairdocs.org/ad/74-25-05.md): Main Rotor Blades · Sikorsky S-61L, S-61N, S-61NM and 1 more · Effective Nov 6, 1974
- [AD 74-23-01](https://openairdocs.org/ad/74-23-01.md): External Power Receptacle · Learjet 23 and 24 · Effective Nov 5, 1974
- [AD 74-23-02](https://openairdocs.org/ad/74-23-02.md): Tail Rotor Pitch · Bell Helicopter Textron 204B and 205A-1 · Effective Nov 3, 1974
- [AD 74-22-03](https://openairdocs.org/ad/74-22-03.md): Life Rafts · Pan Avion Life Rafts · Effective Nov 1, 1974
- [AD 74-22-07](https://openairdocs.org/ad/74-22-07.md): Compressor Rotor Disks · Honeywell International T5313A · Effective Oct 31, 1974
- [AD 74-22-04](https://openairdocs.org/ad/74-22-04.md): Crankcase · Continental Motors 6-285-B · Effective Oct 28, 1974
- [AD 74-22-06](https://openairdocs.org/ad/74-22-06.md): Horizontal Stabilizer · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more · Effective Oct 23, 1974
- [AD 74-22-05](https://openairdocs.org/ad/74-22-05.md): Full Valve Stem and Cap Nut · Piper PA-23, PA-23-160, PA-23-235 and 2 more · Effective Oct 23, 1974
- [AD 74-20-05](https://openairdocs.org/ad/74-20-05.md): Elevator Modification · Bell Helicopter Textron 212 · Effective Oct 21, 1974
- [AD 72-07-09](https://openairdocs.org/ad/72-07-09.md): Cracks And Loose Bolts In Fin & Rudder · Cessna 182, 182A, 182B and 74 more · Effective Oct 17, 1974
- [AD 74-25-06](https://openairdocs.org/ad/74-25-06.md): Takeoff Gross Weight Limitation · Sikorsky S-61L, S-61N and S-61NM · Effective Oct 16, 1974
- [AD 74-19-03](https://openairdocs.org/ad/74-19-03.md): Horizontal Stabilizer Ribs · Bell Helicopter Textron Canada 206A and 206B · Effective Oct 13, 1974
- [AD 73-26-09](https://openairdocs.org/ad/73-26-09.md): Flight Compartment Side Windows · Cessna 500 · Effective Oct 9, 1974
- [AD 74-21-02](https://openairdocs.org/ad/74-21-02.md): Stall Warning System · Piper PA-36-285 · Effective Oct 4, 1974
- [AD 74-20-12](https://openairdocs.org/ad/74-20-12.md): Pilot and Co-pilot Side Windows · Twin Commander 690A · Effective Oct 4, 1974
- [AD 74-06-01](https://openairdocs.org/ad/74-06-01.md): AiResearch Turbochargers · PA-23-235, PA-23-250 (Navy UO-1) and PA-E23-250 with STC SA852WE or 2 others · Historical · Effective Oct 2, 1974 · Replaced by AD 2005-01-10
- [AD 72-20-02](https://openairdocs.org/ad/72-20-02.md): Cylinders · Continental Motors IO-470-D, IO-470-E, IO-470-F and 10 more · Effective Oct 2, 1974
- [AD 74-20-08](https://openairdocs.org/ad/74-20-08.md): Fire Procedures Checklist · Cessna 310, 310A and 310B · Effective Oct 1, 1974

Next page: https://openairdocs.org/ad.md?year=1974&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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)) = 1974
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/ad?year=1974

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
