# Airworthiness directives, 1968

FAA airworthiness directives effective in 1968: 95 ADs with their full text, status and the aircraft they apply to.

Page 1 of 2 · 95 ADs

- [AD 68-16-04](https://openairdocs.org/ad/68-16-04.md): Exhaust Ducts · Kelowna Flightcraft R & D 240 Series, 340 and 440 with STC SA1054WE or SA1096WE · Effective Dec 27, 1968
- [AD 68-26-01](https://openairdocs.org/ad/68-26-01.md): Lower Coupling Drive Shaft · Schweizer 269A, 269A-1 and 269B · Effective Dec 21, 1968
- [AD 68-26-02](https://openairdocs.org/ad/68-26-02.md): Wing Strut Inspection · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more · Effective Dec 20, 1968
- [AD 68-26-03](https://openairdocs.org/ad/68-26-03.md): Stabilizer Rib Cracks · Bombardier CL-44D4 · Effective Dec 19, 1968
- [AD 68-23-06](https://openairdocs.org/ad/68-23-06.md): Internal Portion of Beech Center Section Wing Truss Assembly · Textron C-45G, C-45H, D18C and 9 more · Effective Dec 19, 1968
- [AD 68-25-02](https://openairdocs.org/ad/68-25-02.md): Circuit Card · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 6 more · Effective Dec 10, 1968
- [AD 68-23-02](https://openairdocs.org/ad/68-23-02.md): Fin-body Terminal Fittings · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 7 more · Effective Dec 9, 1968
- [AD 68-23-05](https://openairdocs.org/ad/68-23-05.md): Upper Wing Plank · Lockheed Martin 188A and 188C · Effective Dec 6, 1968
- [AD 68-23-08](https://openairdocs.org/ad/68-23-08.md): Horizontal Tail Surface · Alexandria 14-19-3A and 17-30 · Effective Nov 22, 1968
- [AD 68-23-01](https://openairdocs.org/ad/68-23-01.md): Cabin Superchargers · British Aerospace Argosy AW.650 Series 101, F27 Mark 100, F27 Mark 300 and 18 more · Effective Nov 21, 1968
- [AD 68-09-02](https://openairdocs.org/ad/68-09-02.md): Wing Skin Risers · Lockheed Martin 1329-23A, 1329-23D and 1329-23E · Effective Nov 19, 1968
- [AD 68-07-09](https://openairdocs.org/ad/68-07-09.md): Longitudinal Control System · Cessna 177 · Effective Nov 16, 1968
- [AD 68-23-03](https://openairdocs.org/ad/68-23-03.md): Fuel Octane Placard · Dynac Aerospace Aero Commander 100 and Aero Commander 100-180 · Effective Nov 9, 1968
- [AD 68-22-02](https://openairdocs.org/ad/68-22-02.md): Compressor Assemblies · Rolls-Royce 250-C10B (T63-A-5A), 250-C18 and 250-C18A · Effective Nov 1, 1968
- [AD 68-21-03](https://openairdocs.org/ad/68-21-03.md): Exhaust Tailpipe Assemblies · Piper PA-23-250 (Navy UO-1) and PA-E23-250 with STC SA909WE or SA978WE · Effective Oct 28, 1968
- [AD 68-20-01](https://openairdocs.org/ad/68-20-01.md): Horizontal Stabilizer Support · Sabreliner NA-265, NA-265-20, NA-265-30 and 2 more · Effective Oct 28, 1968
- [AD 68-22-01](https://openairdocs.org/ad/68-22-01.md): Upper Wing Skin · Boeing 707-300 Series, 707-300B Series, 707-300C Series and 1 more · Effective Oct 25, 1968
- [AD 68-20-02](https://openairdocs.org/ad/68-20-02.md): Landing Gear Switch · Dassault Fan Jet Falcon · Effective Oct 25, 1968
- [AD 68-21-06](https://openairdocs.org/ad/68-21-06.md): Deactivate AFCS · Sikorsky S-61A, S-61L and S-61N · Effective Oct 24, 1968
- [AD 68-21-01](https://openairdocs.org/ad/68-21-01.md): Horizontal Stabilizer · Glasflugel H 301 Libelle · Effective Oct 23, 1968
- [AD 68-21-04](https://openairdocs.org/ad/68-21-04.md): Ice Damage to Engine · Textron 65-90, 65-A90, 65-A90-1 and 1 more · Effective Oct 17, 1968
- [AD 68-21-02](https://openairdocs.org/ad/68-21-02.md): Aileron Cable Assembly · Dynac Aerospace Aero Commander 100 and Aero Commander 100-180 · Effective Oct 15, 1968
- [AD 68-19-03](https://openairdocs.org/ad/68-19-03.md): Cracks, Forward Landing Flap · Vickers-Armstrongs Viscount 810 · Effective Oct 12, 1968
- [AD 68-19-02](https://openairdocs.org/ad/68-19-02.md): Cracks in Lower Fuselage · Aermacchi S.205 - 22/R · Effective Oct 11, 1968
- [AD 68-19-01](https://openairdocs.org/ad/68-19-01.md): Suction Gage Markings · Aermacchi S.205 - 22/R · Effective Oct 11, 1968
- [AD 68-20-07](https://openairdocs.org/ad/68-20-07.md): Dowty Propellers (c) R184/4-30-4/, (c) R193/4-30-4/ and (c) R257/4-30-4/ · Effective Oct 8, 1968
- [AD 68-20-06](https://openairdocs.org/ad/68-20-06.md): Rudder Horn Inspection · Sierra Hotel Aero Navion A (Army L-17B and L-17C), Navion B, Navion D and 5 more · Effective Oct 3, 1968
- [AD 68-20-05](https://openairdocs.org/ad/68-20-05.md): Fuel Tank Inspection · Rogers, Burl A. 15AC and S15AC · Effective Oct 3, 1968
- [AD 68-20-04](https://openairdocs.org/ad/68-20-04.md): Elevator Torque Tube · Piper PA-31 and PA-31-300 · Effective Sep 27, 1968
- [AD 68-19-06](https://openairdocs.org/ad/68-19-06.md): Failure, Power Unit Fuel Line · Airbus BAC 1-11 200 Series and BAC 1-11 400 Series · Effective Sep 19, 1968
- [AD 68-19-05](https://openairdocs.org/ad/68-19-05.md): Utility Category Placard · Textron 172B, 172C, 172D and 3 more · Effective Sep 13, 1968
- [AD 68-17-04](https://openairdocs.org/ad/68-17-04.md): Stall Warning System · Cessna 150, 150A, 150B and 63 more · Effective Sep 7, 1968
- [AD 68-16-02](https://openairdocs.org/ad/68-16-02.md): Gear Position Indicator Switch · Aermacchi S.205 - 22/R · Effective Sep 7, 1968
- [AD 68-18-02](https://openairdocs.org/ad/68-18-02.md): Oil Pressure Gauge Line · Cessna 177 · Effective Sep 5, 1968
- [AD 68-15-04](https://openairdocs.org/ad/68-15-04.md): Wire Bundles Adjacent to the Battery Charger · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more · Effective Sep 5, 1968
- [AD 68-17-06](https://openairdocs.org/ad/68-17-06.md): Parking Brake · Textron 23, A23, A23-19 and 2 more · Effective Aug 27, 1968
- [AD 68-17-03](https://openairdocs.org/ad/68-17-03.md): Cracks in Rudder End Rib · Pilatus PC-6, PC-6-H1, PC-6-H2 and 12 more · Historical · Effective Aug 19, 1968 · Replaced by AD 68-17-03 R1
- [AD 68-15-03](https://openairdocs.org/ad/68-15-03.md): Horizontal Stabilizer Top Fitting · Vickers-Armstrongs Viscount 744 and Viscount 745D · Effective Aug 15, 1968
- [AD 63-23-02](https://openairdocs.org/ad/63-23-02.md): Exhaust Valves · Lycoming Engines O-320-A1A, O-320-A1B, O-320-A2A and 25 more · Effective Aug 6, 1968
- [AD 68-16-01](https://openairdocs.org/ad/68-16-01.md): Placard To Prevent Engine Flameout · Textron DH.125 Series 1A, DH.125 Series 1A-522, DH.125 Series 1A/R-522 and 5 more · Effective Aug 5, 1968
- [AD 68-15-02](https://openairdocs.org/ad/68-15-02.md): Cracks In Elevator · Vickers-Armstrongs Viscount 744, Viscount 745D and Viscount 810 · Effective Jul 23, 1968
- [AD 68-15-01](https://openairdocs.org/ad/68-15-01.md): Horizontal Stabilizer · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more · Effective Jul 20, 1968
- [AD 68-14-02](https://openairdocs.org/ad/68-14-02.md): Main Landing Gear · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 3 more · Effective Jul 11, 1968
- [AD 68-14-01](https://openairdocs.org/ad/68-14-01.md): Pneumatic Deicer System · Textron 56TC, D55 and E95 · Effective Jul 10, 1968
- [AD 64-28-02](https://openairdocs.org/ad/64-28-02.md): Main Rotor Blade Flapping Hinge Bearing · Schweizer 269A, 269A-1 and 269B · Effective Jul 6, 1968
- [AD 68-12-01](https://openairdocs.org/ad/68-12-01.md): Sealant at Firewall and Nose Wheel · Aermacchi S.205 - 22/R · Effective Jul 5, 1968
- [AD 68-13-01](https://openairdocs.org/ad/68-13-01.md): Electrical Wire Arcing · Piper PA-31 and PA-31-300 · Effective Jun 25, 1968
- [AD 68-12-06](https://openairdocs.org/ad/68-12-06.md): Compressor Blades · Rolls-Royce 250-C10B (T63-A-5A), 250-C18, 250-C18A and 3 more · Effective Jun 18, 1968
- [AD 68-12-05](https://openairdocs.org/ad/68-12-05.md): Rudder Control System · Dynac Aerospace Aero Commander 100, Aero Commander 100A, Volaire 10 and 1 more · Effective Jun 14, 1968
- [AD 68-12-04](https://openairdocs.org/ad/68-12-04.md): Gear Retraction Fittings · Piper PA-28R-180 · Effective Jun 14, 1968

Next page: https://openairdocs.org/ad.md?year=1968&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)) = 1968
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=1968

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