# Airworthiness directives that may apply: N412ET

A list on [N412ET](https://openairdocs.org/aircraft/N412ET.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 2026-08-10](https://openairdocs.org/ad/2026-08-10.md): Passenger compartment equipment · Effective May 11, 2026
- [AD 2025-07-01](https://openairdocs.org/ad/2025-07-01.md): Air Data Computer · Effective May 15, 2025
- [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07.md): Emergency Equipment; Emergency Flotation Section · Effective Dec 5, 2024
- [AD 2024-16-19](https://openairdocs.org/ad/2024-16-19.md): Rotorcraft Tail Boom · Effective Nov 8, 2024
- [AD 2024-16-01](https://openairdocs.org/ad/2024-16-01.md): Fuselage structure · Effective Sep 4, 2024 · Supersedes AD 2000-18-09
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07.md): Ground Proximity System · Effective Jun 22, 2023 · Supersedes AD 2021-23-13
- [AD 2022-20-14](https://openairdocs.org/ad/2022-20-14.md): Main Rotor Gearbox · Effective Dec 27, 2022
- [AD 2022-22-12](https://openairdocs.org/ad/2022-22-12.md): Nose/Tail Landing Gear Structure/Axle · Effective Nov 22, 2022
- [AD 2022-11-19](https://openairdocs.org/ad/2022-11-19.md): Aircraft Fuel System, Engine Oil System (Airframe) · Effective Jul 6, 2022
- [AD 2022-07-02](https://openairdocs.org/ad/2022-07-02.md): Rotorcraft Tail Boom · Effective May 9, 2022
- [AD 2022-07-03](https://openairdocs.org/ad/2022-07-03.md): Flight Control System · Effective Apr 27, 2022
- [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10.md): Cabin Equipment/Furnishings · Effective Apr 20, 2022
- [AD 2020-22-07](https://openairdocs.org/ad/2020-22-07.md): Nacelle/Pylon Structure · Effective Nov 18, 2020
- [AD 2020-16-10](https://openairdocs.org/ad/2020-16-10.md): Cabin Equipment/Furnishings · Effective Sep 3, 2020
- [AD 2020-12-10](https://openairdocs.org/ad/2020-12-10.md): Tail Rotor Blades · Effective Jul 16, 2020 · Supersedes AD 2011-12-08
- [AD 2020-02-11](https://openairdocs.org/ad/2020-02-11.md): Inverter · Effective Mar 17, 2020 · Supersedes AD 2015-04-04
- [AD 2019-09-02](https://openairdocs.org/ad/2019-09-02.md): 7900 Engine Oil System and 2800 Aircraft Fuel System · Effective Jun 4, 2019 · Supersedes AD 2018-17-01
- [AD 2018-16-14](https://openairdocs.org/ad/2018-16-14.md): Emergency Flotation Section · Effective Oct 4, 2018
- [AD 2013-20-18](https://openairdocs.org/ad/2013-20-18.md): Main Rotor Head · Effective Nov 29, 2013 · Supersedes AD 2009-05-09
- [AD 2013-16-16](https://openairdocs.org/ad/2013-16-16.md): Main Landing Gear Strut/Axle/Truck · Effective Sep 17, 2013
- [AD 2013-15-02](https://openairdocs.org/ad/2013-15-02.md): Tail Rotor Blades · Effective Aug 14, 2013 · Supersedes AD 2008-10-03
- [AD 2013-06-51](https://openairdocs.org/ad/2013-06-51.md): Equipment/Furnishings · Emergency AD · Effective Jul 15, 2013
- [AD 2013-05-14](https://openairdocs.org/ad/2013-05-14.md): Main Rotor Mast/Swashplate · Effective Apr 26, 2013
- [AD 2013-01-04](https://openairdocs.org/ad/2013-01-04.md): Main Landing Gear · Effective Mar 11, 2013
- [AD 2012-22-11](https://openairdocs.org/ad/2012-22-11.md): Main Rotor · Effective Dec 20, 2012
- [AD 2012-22-06](https://openairdocs.org/ad/2012-22-06.md): High Landing Gear Forward Crosstube Assembly · Effective Dec 14, 2012
- [AD 2012-11-13](https://openairdocs.org/ad/2012-11-13.md): High Landing Gear Aft Crosstube Assembly · Effective Jul 30, 2012
- [AD 2011-25-01](https://openairdocs.org/ad/2011-25-01.md): Liferafts · Effective Jan 17, 2012
- [AD 2010-26-52](https://openairdocs.org/ad/2010-26-52.md): Tail Rotor Blade · Emergency AD · Effective Nov 15, 2011 · Supersedes AD 2007-19-53
- [AD 2010-10-16](https://openairdocs.org/ad/2010-10-16.md): Crosstube · Effective Jun 8, 2010
- [AD 2007-22-02](https://openairdocs.org/ad/2007-22-02.md): Tail rotor blade (blade) forward tip weight retention block (tip block) and the aft tip closure (tip closure) · Effective Nov 30, 2007 · Supersedes AD 2002-09-04
- [AD 2005-20-38](https://openairdocs.org/ad/2005-20-38.md): Reservoir assembly adapter (adapter) · Effective Oct 28, 2005
- [AD 2001-13-01](https://openairdocs.org/ad/2001-13-01.md): Tail Rotor Counterweight Bellcrank (bellcrank) Retention Nut (retention nut) · Effective Aug 1, 2001
- [AD 2001-09-11](https://openairdocs.org/ad/2001-09-11.md): Tail Rotor Yoke · Effective Jun 11, 2001 · Supersedes AD 98-07-03
- [AD 2001-08-04](https://openairdocs.org/ad/2001-08-04.md): Main Rotor Actuator · Effective May 3, 2001 · Supersedes AD 2000-25-03
- [AD 99-23-23](https://openairdocs.org/ad/99-23-23.md): Measure Yolk Inspection · Effective Dec 1, 1999
- [AD 97-11-04](https://openairdocs.org/ad/97-11-04.md): Mast And Spline Plate · Effective Jun 24, 1997
- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13.md): Ground Proximity System · Historical · Effective Dec 9, 2021 · Replaced by AD 2023-11-07
- [AD 2018-17-01](https://openairdocs.org/ad/2018-17-01.md): Engine Oil System and Aircraft Fuel System · Historical · Effective Sep 5, 2018 · Replaced by AD 2019-09-02
- [AD 2015-04-04](https://openairdocs.org/ad/2015-04-04.md): AC Inverter · Historical · Effective Mar 11, 2015 · Replaced by AD 2020-02-11
- [AD 2011-12-08](https://openairdocs.org/ad/2011-12-08.md): Tail rotor (T/R) blades · Historical · Effective Jul 5, 2011 · Replaced by AD 2020-12-10
- [AD 2009-05-09](https://openairdocs.org/ad/2009-05-09.md): Main rotor yoke · Historical · Effective Mar 31, 2009 · Replaced by AD 2013-20-18
- [AD 2008-10-03](https://openairdocs.org/ad/2008-10-03.md): Tail rotor blade assembly · Historical · Effective May 21, 2008 · Replaced by AD 2013-15-02
- [AD 2007-19-53](https://openairdocs.org/ad/2007-19-53.md): Tail rotor blade (blade) · Historical · Effective Dec 5, 2007 · Replaced by AD 2010-26-52
- [AD 2002-09-04](https://openairdocs.org/ad/2002-09-04.md): Tip Block and Tip Closure · Historical · Effective Jun 7, 2002 · Replaced by AD 2007-22-02
- [AD 2000-18-09](https://openairdocs.org/ad/2000-18-09.md): Tailboom Attachment Cap Angle · Historical · Effective Sep 28, 2000 · Replaced by AD 2024-16-01

## 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 = '1182205'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '52168')
  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/N412ET/ads

---
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