# Airworthiness directives that may apply: N375SD

A list on [N375SD](https://openairdocs.org/aircraft/N375SD.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 2026-19-01](https://openairdocs.org/ad/2026-19-01.md): Rotorcraft flight control · Effective Oct 20, 2026 · Supersedes AD 2024-23-06
- [AD 2025-17-11](https://openairdocs.org/ad/2025-17-11.md): tail rotor control system · Effective Oct 10, 2025
- [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 2021-22-11](https://openairdocs.org/ad/2021-22-11.md): Tail Rotor Control System · Effective Jan 10, 2022
- [AD 2020-18-20](https://openairdocs.org/ad/2020-18-20.md): Main Rotor Blade · Effective Oct 28, 2020
- [AD 2020-11-07](https://openairdocs.org/ad/2020-11-07.md): Main Rotor System · Effective Jun 30, 2020
- [AD 2020-06-11](https://openairdocs.org/ad/2020-06-11.md): Main Rotor Control · Effective Apr 28, 2020
- [AD 2019-05-04](https://openairdocs.org/ad/2019-05-04.md): Main Rotor Blade · Effective Apr 17, 2019
- [AD 2016-04-15](https://openairdocs.org/ad/2016-04-15.md): Main Rotor Blades · Effective Mar 31, 2016
- [AD 2016-01-19](https://openairdocs.org/ad/2016-01-19.md): Rotorcraft Tail Boom · Effective Feb 25, 2016
- [AD 2013-03-03](https://openairdocs.org/ad/2013-03-03.md): Tail rotor blades · Effective Mar 15, 2013
- [AD 2008-22-52](https://openairdocs.org/ad/2008-22-52.md): Yaw Stability Augmentation System · Emergency AD · Effective Dec 15, 2008 · Supersedes AD 2008-18-52
- [AD 2008-20-05](https://openairdocs.org/ad/2008-20-05.md): Fuselage · Effective Oct 27, 2008 · Supersedes AD 2008-05-17
- [AD 2007-05-51](https://openairdocs.org/ad/2007-05-51.md): Lateral mixer output link assembly (mixer link) · Emergency AD · Effective May 7, 2007
- [AD 2005-21-02](https://openairdocs.org/ad/2005-21-02.md): Main rotor blade (blade) · Effective Nov 1, 2005 · Supersedes AD 2003-24-01
- [AD 2004-22-12](https://openairdocs.org/ad/2004-22-12.md): Fuselage Station 75 Control Support Bracket Assembly · Effective Dec 3, 2004
- [AD 2004-20-08](https://openairdocs.org/ad/2004-20-08.md): Forward and center thruster control cable assembly connector (connector) · Effective Oct 21, 2004
- [AD 2003-16-11](https://openairdocs.org/ad/2003-16-11.md): Main rotor drive shaft assembly (drive shaft) · Effective Sep 30, 2003
- [AD 2000-08-22](https://openairdocs.org/ad/2000-08-22.md): Turbine Outlet Temperature (TOT) Indicating System · Effective May 22, 2000
- [AD 2000-04-21](https://openairdocs.org/ad/2000-04-21.md): Fuel Hose · Effective Apr 5, 2000
- [AD 99-25-08](https://openairdocs.org/ad/99-25-08.md): Thruster Control Cable Conduit Cap · Effective Mar 1, 2000
- [AD 99-20-12](https://openairdocs.org/ad/99-20-12.md): Bracket P/N 369F5190-1 · Effective Nov 4, 1999
- [AD 99-17-18](https://openairdocs.org/ad/99-17-18.md): Flight Control Components · Effective Sep 24, 1999
- [AD 99-08-07](https://openairdocs.org/ad/99-08-07.md): Engine Control And Warning System · Effective Apr 21, 1999
- [AD 99-04-12](https://openairdocs.org/ad/99-04-12.md): Input Shaft Coupling Assembly · Effective Mar 23, 1999
- [AD 98-15-26](https://openairdocs.org/ad/98-15-26.md): Main Rotor Blade Cracking Inspection · Effective Aug 3, 1998
- [AD 2024-23-06](https://openairdocs.org/ad/2024-23-06.md): Rotorcraft Flight Control · Historical · Effective Dec 24, 2024 · Replaced by AD 2026-19-01
- [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 2008-18-52](https://openairdocs.org/ad/2008-18-52.md): Prevent loss of yaw control and subsequent loss of control of the helicopter · Historical · Replaced by AD 2008-22-52
- [AD 2008-18-51](https://openairdocs.org/ad/2008-18-51.md): Vertical Stabilizer Control System (VSCS) · Historical · Replaced by AD 2008-18-52
- [AD 2008-05-17](https://openairdocs.org/ad/2008-05-17.md): Aft fuselage skin · Historical · Effective Apr 16, 2008 · Replaced by AD 2008-20-05
- [AD 2006-08-12](https://openairdocs.org/ad/2006-08-12.md): Upper tailboom attachment fittings · Historical · Effective Apr 27, 2006 · Replaced by AD 2008-05-17
- [AD 2001-24-51](https://openairdocs.org/ad/2001-24-51.md): Upper Tailboom Attachments, Nutplates and Angles · Historical · Effective Apr 29, 2002 · Replaced by AD 2006-08-12

## 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 = '3027377')
  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/N375SD/ads

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