# Airworthiness directives that may apply: N20WS

A list on [N20WS](https://openairdocs.org/aircraft/N20WS.md).

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

- [AD 2024-24-11](https://openairdocs.org/ad/2024-24-11.md): Power Lever · Effective Dec 23, 2024
- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15.md): Fuel Quantity Indicator · Effective Mar 21, 2022
- [AD 2009-05-05](https://openairdocs.org/ad/2009-05-05.md): Primary Flight Displays · Effective Apr 3, 2009 · Supersedes AD 2008-06-28 R1
- [AD 2008-14-13](https://openairdocs.org/ad/2008-14-13.md): Upper door hinge · Effective Aug 14, 2008
- [AD 2008-11-18](https://openairdocs.org/ad/2008-11-18.md): Heat exchanger · Effective Jul 7, 2008
- [AD 2008-03-16](https://openairdocs.org/ad/2008-03-16.md): Rudder, aileron, and rudder-aileron interconnect rigging · Effective Mar 11, 2008
- [AD 2007-14-03](https://openairdocs.org/ad/2007-14-03.md): Cirrus Airplane Parachute System (CAPS) · Effective Aug 16, 2007
- [AD 2006-21-03](https://openairdocs.org/ad/2006-21-03.md): Brake caliper piston O-ring seals · Effective Nov 17, 2006
- [AD 2006-19-10](https://openairdocs.org/ad/2006-19-10.md): Adjust crew seat break-over bolts · Effective Oct 24, 2006 · Supersedes AD 2005-17-19
- [AD 2006-07-06](https://openairdocs.org/ad/2006-07-06.md): Wire harness · Effective May 11, 2006
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19.md): Mode S transponders · Effective Feb 23, 2005 · Supersedes AD 2004-10-15
- [AD 2002-24-08](https://openairdocs.org/ad/2002-24-08.md): Cable clamp · Effective Jan 24, 2003 · Supersedes AD 2002-05-05
- [AD 2002-21-02](https://openairdocs.org/ad/2002-21-02.md): Self-locking retaining nut · Effective Nov 8, 2002
- [AD 2001-25-03](https://openairdocs.org/ad/2001-25-03.md): Rivets In Elevator and Rudder · Effective Dec 17, 2001
- [AD 2023-17-04](https://openairdocs.org/ad/2023-17-04.md): Reciprocating Engine Oil System · Effective Oct 26, 2023 · Supersedes AD 2022-04-04
- [AD 2023-05-16](https://openairdocs.org/ad/2023-05-16.md): Reciprocating Engine Power Section · Effective Mar 15, 2023 · Supersedes AD 2023-04-08
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06.md): Fuel servo diaphragm · Effective Feb 24, 2012 · Supersedes AD 2011-15-10
- [AD 2011-26-07](https://openairdocs.org/ad/2011-26-07.md): Engine · Effective Jan 24, 2012 · Supersedes AD 2002-13-04
- [AD 2010-11-04](https://openairdocs.org/ad/2010-11-04.md): Hydraulic lifters · Effective Jun 16, 2010 · Supersedes AD 2009-24-52
- [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03.md): Fuel injection servos · Effective Feb 9, 2009 · Supersedes AD 2008-08-14
- [AD 2000-23-21](https://openairdocs.org/ad/2000-23-21.md): Crankshaft · Effective Dec 12, 2000 · Supersedes AD 2000-08-51
- [AD 98-19-02](https://openairdocs.org/ad/98-19-02.md): Piston Pins · Effective Nov 9, 1998
- [AD 98-17-11](https://openairdocs.org/ad/98-17-11.md): Crankshafts · Effective Oct 19, 1998
- [AD 97-26-17](https://openairdocs.org/ad/97-26-17.md): Crankshaft · Effective Jan 23, 1998 · Supersedes AD 87-23-08
- [AD 95-21-15](https://openairdocs.org/ad/95-21-15.md): Aviation Gasoline · Effective Nov 28, 1995 · Supersedes AD 94-14-12
- [AD 93-10-02](https://openairdocs.org/ad/93-10-02.md): Missing Cylinder Valve Retainer Key · Effective Aug 12, 1993
- [AD 92-04-09](https://openairdocs.org/ad/92-04-09.md): Rocker Shaft Hold Down Stud · Effective Jun 22, 1993
- [AD 91-19-03](https://openairdocs.org/ad/91-19-03.md): Oil Filter · Effective Sep 29, 1991
- [AD 88-03-06](https://openairdocs.org/ad/88-03-06.md): Oil Filter · Effective Apr 15, 1988
- [AD 81-13-10 R1](https://openairdocs.org/ad/81-13-10-R1.md): Oil Pressure · Effective Nov 20, 1981
- [AD 81-16-05](https://openairdocs.org/ad/81-16-05.md): Magnetos · Effective Aug 6, 1981
- [AD 80-06-05](https://openairdocs.org/ad/80-06-05.md): Magnetos · Effective Mar 28, 1980
- [AD 70-14-07](https://openairdocs.org/ad/70-14-07.md): Fuel Injection Pump · Effective Nov 22, 1974
- [AD 74-18-07](https://openairdocs.org/ad/74-18-07.md): Cylinder · Effective Aug 28, 1974
- [AD 72-24-03](https://openairdocs.org/ad/72-24-03.md): Oil Filter Adapter · Effective Nov 15, 1972
- [AD 2008-06-28 R1](https://openairdocs.org/ad/2008-06-28-R1.md): Primary Flight Displays (PFDs) · Historical · Effective Apr 10, 2008 · Replaced by AD 2009-05-05
- [AD 2008-06-28](https://openairdocs.org/ad/2008-06-28.md): Primary flight display · Historical · Effective Apr 10, 2008 · Replaced by AD 2008-06-28 R1
- [AD 2005-17-19](https://openairdocs.org/ad/2005-17-19.md): Crew seat recline locks · Historical · Effective Oct 13, 2005 · Replaced by AD 2006-19-10
- [AD 2002-05-05](https://openairdocs.org/ad/2002-05-05.md): Limitation Section - Cirrus Aircraft Parachute System (CAPS) Activation Cable · Historical · Effective Mar 19, 2002 · Replaced by AD 2002-24-08
- [AD 2023-04-08](https://openairdocs.org/ad/2023-04-08.md): Reciprocating Engine Power Section · Historical · Effective Feb 23, 2023 · Replaced by AD 2023-05-16
- [AD 2022-04-04](https://openairdocs.org/ad/2022-04-04.md): Reciprocating Engine Oil System · Historical · Effective Mar 29, 2022 · Replaced by AD 2023-17-04
- [AD 2009-24-52](https://openairdocs.org/ad/2009-24-52.md): Hydraulic lifters · Historical · Replaced by AD 2010-11-04
- [AD 2009-24-51](https://openairdocs.org/ad/2009-24-51.md): Hydraulic lifters · Historical · Replaced by AD 2009-24-52
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14.md): Fuel injection servo plugs · Historical · Effective Apr 29, 2008 · Replaced by AD 2009-02-03
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51.md): Fuel injection servo plugs · Historical · Replaced by AD 2008-08-14
- [AD 2002-13-04](https://openairdocs.org/ad/2002-13-04.md): Magneto impulse coupling stop pin · Historical · Effective Jul 12, 2002 · Replaced by AD 2011-26-07
- [AD 2000-11-51](https://openairdocs.org/ad/2000-11-51.md): Magnetos · Historical · Replaced by AD 2002-13-04
- [AD 2000-08-51](https://openairdocs.org/ad/2000-08-51.md): Crankshaft · Historical · Replaced by AD 2000-23-21
- [AD 94-14-12](https://openairdocs.org/ad/94-14-12.md): Octane Aviation Gasoline · Historical · Replaced by AD 95-21-15

## 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.effective_date, m.matched_by
FROM (
  SELECT ad_id, min(rank) AS rank, arg_min(matched_by, rank) AS matched_by
  FROM (SELECT ad_id, 1 AS rank, 'airframe' AS matched_by FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code = '2130000'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '17025')
  GROUP BY ad_id
) m JOIN 'https://openairdocs.org/data/latest/faa_directive.parquet' d USING (ad_id)
ORDER BY d.status = 'Historical', m.rank, coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/aircraft/N20WS/ads

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