# Airworthiness directives that may apply: Dehavilland DHC-2 MK. I(L20A)

A list on [Dehavilland DHC-2 MK. I(L20A)](https://openairdocs.org/model/dehavilland-dhc-2-mk-i-l20a.md).

Matched by model name and maker. Each AD’s applicability may narrow it by serial number, part number or configuration.

- [AD 2023-19-06](https://openairdocs.org/ad/2023-19-06.md): Airframe · Effective Nov 6, 2023 · Supersedes AD 64-09-03
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02.md): Indicating/Recording System, Navigation · Effective May 26, 2023 · Supersedes AD 2021-23-12
- [AD 2023-06-11](https://openairdocs.org/ad/2023-06-11.md): Wing Spar · Effective Apr 28, 2023
- [AD 2022-17-05](https://openairdocs.org/ad/2022-17-05.md): Fuselage Structure (General) · Effective Sep 30, 2022 · Supersedes AD 2002-14-28
- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15.md): Fuel Quantity Indicator · Effective Mar 21, 2022
- [AD 2020-16-15](https://openairdocs.org/ad/2020-16-15.md): Fuselage · Effective Sep 21, 2020
- [AD 2018-19-11](https://openairdocs.org/ad/2018-19-11.md): Wings · Effective Oct 30, 2018
- [AD 2016-25-22](https://openairdocs.org/ad/2016-25-22.md): Flight Controls · Effective Dec 22, 2016 · Supersedes AD 2016-19-08
- [AD 2015-02-10](https://openairdocs.org/ad/2015-02-10.md): Flight Controls · Effective Feb 18, 2015
- [AD 2008-12-12](https://openairdocs.org/ad/2008-12-12.md): Ignition connector plug · Effective Jul 23, 2008 · Supersedes AD 2004-21-06
- [AD 2008-11-11](https://openairdocs.org/ad/2008-11-11.md): Front spar center · Effective Jul 23, 2008 · Supersedes AD 92-24-02
- [AD 2007-12-13](https://openairdocs.org/ad/2007-12-13.md): Wing lift strut lower clevis fitting · Effective Jul 16, 2007 · Supersedes AD 88-08-02
- [AD 2005-25-08](https://openairdocs.org/ad/2005-25-08.md): Electronic Flight Information System (EFIS) · Effective Jan 23, 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 2002-13-08](https://openairdocs.org/ad/2002-13-08.md): Mass Balance Weights at Elevator Tip Ribs · Effective Aug 13, 2002
- [AD 99-15-07](https://openairdocs.org/ad/99-15-07.md): Rear Fuselage Bulkhead · Effective Sep 10, 1999
- [AD 90-02-22](https://openairdocs.org/ad/90-02-22.md): Fuselage Attachment Brackets · Effective Feb 13, 1990
- [AD 84-20-07](https://openairdocs.org/ad/84-20-07.md): Wing Lift Strut Assembly · Effective Oct 12, 1984
- [AD 84-09-06](https://openairdocs.org/ad/84-09-06.md): Control Column Sub-Assembly · Effective May 10, 1984
- [AD 84-07-05](https://openairdocs.org/ad/84-07-05.md): L/R Aileron Hinge Bracket · Effective Apr 18, 1984
- [AD 81-13-01](https://openairdocs.org/ad/81-13-01.md): Elevator Butt Ribs · Effective Jun 18, 1981
- [AD 80-24-02](https://openairdocs.org/ad/80-24-02.md): Aileron Mount Structures · Effective Nov 20, 1980
- [AD 76-14-02](https://openairdocs.org/ad/76-14-02.md): Various Modifications · Effective Jul 12, 1976
- [AD 74-17-03](https://openairdocs.org/ad/74-17-03.md): Cabin Heater Inspection · Effective Aug 12, 1974
- [AD 73-25-05](https://openairdocs.org/ad/73-25-05.md): Float Support Structure · Effective Dec 14, 1973
- [AD 66-17-02](https://openairdocs.org/ad/66-17-02.md): Front and Rear Spars · Effective Jul 22, 1966
- [AD 64-14-02](https://openairdocs.org/ad/64-14-02.md): Elevator Trim Tab End Blocks · Effective Jul 24, 1964
- [AD 54-15-01](https://openairdocs.org/ad/54-15-01.md): Control Cable Turnbuckle Threads
- [AD 53-23-02](https://openairdocs.org/ad/53-23-02.md): Fuel Tank Filler Neck
- [AD 53-21-01](https://openairdocs.org/ad/53-21-01.md): Wing Rear Spar Attachment Bolt
- [AD 53-12-02](https://openairdocs.org/ad/53-12-02.md): Hydraulic Hand Pump Seals
- [AD 53-11-02](https://openairdocs.org/ad/53-11-02.md): Engine Oil Sump Chafing
- [AD 53-10-02](https://openairdocs.org/ad/53-10-02.md): Wing Skin Cracks
- [AD 53-09-02](https://openairdocs.org/ad/53-09-02.md): Fuselage Skin Cracks
- [AD 53-07-01](https://openairdocs.org/ad/53-07-01.md): Elevator Hinge Attachment
- [AD 2016-19-08](https://openairdocs.org/ad/2016-19-08.md): Flight Controls · Historical · Effective Oct 24, 2016 · Replaced by AD 2016-25-22
- [AD 2004-21-06](https://openairdocs.org/ad/2004-21-06.md): Firewall Connector Plugs Lockwire Security · Historical · Effective Dec 6, 2004 · Replaced by AD 2008-12-12
- [AD 2002-14-28](https://openairdocs.org/ad/2002-14-28.md): Front Fuselage Struts · Historical · Effective Sep 6, 2002 · Replaced by AD 2022-17-05
- [AD 92-24-02](https://openairdocs.org/ad/92-24-02.md): Horizontal Stabilizer Front Center Spar · Historical · Effective Dec 15, 1992 · Replaced by AD 2008-11-11
- [AD 88-08-02](https://openairdocs.org/ad/88-08-02.md): Wing Strut Assemblies · Historical · Effective May 11, 1988 · Replaced by AD 2007-12-13
- [AD 64-09-03](https://openairdocs.org/ad/64-09-03.md): Aileron Mass Balance Weight Arm · Historical · Effective May 22, 1964 · Replaced by AD 2023-19-06

## 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
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('2808002'))
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/model/dehavilland-dhc-2-mk-i-l20a/ads

---
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