# Airworthiness directives that may apply: N2HZ

A list on [N2HZ](https://openairdocs.org/aircraft/N2HZ.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 2026-18-06](https://openairdocs.org/ad/2026-18-06.md): Time limits/Maintenance checks · Effective Oct 16, 2026 · Supersedes AD 2025-15-04
- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02.md): Navigation · Effective Jul 1, 2026
- [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 2022-21-16](https://openairdocs.org/ad/2022-21-16.md): Wings · Effective Dec 21, 2022
- [AD 2019-03-13](https://openairdocs.org/ad/2019-03-13.md): Electrical power · Effective Apr 8, 2019
- [AD 2017-21-04](https://openairdocs.org/ad/2017-21-04.md): Doors · Effective Nov 27, 2017
- [AD 2014-15-19](https://openairdocs.org/ad/2014-15-19.md): Operations information · Effective Oct 14, 2014 · Supersedes AD 2013-03-23
- [AD 2012-13-51](https://openairdocs.org/ad/2012-13-51.md): Fuel · Emergency AD · Effective Aug 13, 2012
- [AD 2011-23-07](https://openairdocs.org/ad/2011-23-07.md): Flight controls · Effective Dec 15, 2011
- [AD 2008-08-19](https://openairdocs.org/ad/2008-08-19.md): Electrical feeder cable · Effective May 27, 2008
- [AD 2019-05-07](https://openairdocs.org/ad/2019-05-07.md): Turbine Engine Compressor Section · Effective Apr 25, 2019 · Supersedes AD 2017-20-01
- [AD 2014-12-52](https://openairdocs.org/ad/2014-12-52.md): Engines · Emergency AD · Effective Jul 28, 2014
- [AD 2012-16-14](https://openairdocs.org/ad/2012-16-14.md): LPT2 rotor blades · Effective Oct 1, 2012
- [AD 2008-02-19](https://openairdocs.org/ad/2008-02-19.md): High pressure (HP) turbine rotor assemblies · Effective Mar 6, 2008
- [AD 99-07-19](https://openairdocs.org/ad/99-07-19.md): Tube and Fuel Flow Meter Mounting Bracket · Effective Apr 21, 1999
- [AD 98-10-15](https://openairdocs.org/ad/98-10-15.md): Fuel Line · Effective May 19, 1998
- [AD 2025-15-04](https://openairdocs.org/ad/2025-15-04.md): Landing Gear · Historical · Effective Sep 10, 2025 · Replaced by AD 2026-18-06

## 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, 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 = '4500304'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '33922')
  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/N2HZ/ads

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