# Airworthiness directives that may apply: N401HT

A list on [N401HT](https://openairdocs.org/aircraft/N401HT.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 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 2015-17-12](https://openairdocs.org/ad/2015-17-12.md): Air conditioning · Effective Sep 29, 2015
- [AD 2013-09-11](https://openairdocs.org/ad/2013-09-11.md): Air Conditioning · Effective Jul 5, 2013
- [AD 2006-16-18 R1](https://openairdocs.org/ad/2006-16-18-R1.md): Installing a warning placard on the TAWS/RMI · Effective Jul 18, 2008 · Supersedes AD 2006-16-18
- [AD 2007-11-17](https://openairdocs.org/ad/2007-11-17.md): Wires for the positive and negative terminal studs of the engine and/or auxiliary power unit (APU) fire extinguishing bottles. · Effective Jul 6, 2007 · Supersedes AD 2006-04-10
- [AD 2006-06-03](https://openairdocs.org/ad/2006-06-03.md): Airplane flight manual (AFM) · Effective Apr 20, 2006
- [AD 2004-08-15](https://openairdocs.org/ad/2004-08-15.md): TAWS8000 terrain awareness warning systems (TAWS) · Effective Jun 7, 2004 · Supersedes AD 2003-13-08
- [AD 2001-23-17](https://openairdocs.org/ad/2001-23-17.md): GNS 430 units · Effective Dec 28, 2001
- [AD 2001-22-14](https://openairdocs.org/ad/2001-22-14.md): Fire Extinguishing System Bottle Cartridges · Effective Dec 10, 2001
- [AD 93-05-15](https://openairdocs.org/ad/93-05-15.md): Thrust Reverser Throttle Load Limiter · Effective Apr 23, 1993
- [AD 90-07-10 R1](https://openairdocs.org/ad/90-07-10-R1.md): Air Conditioning System · Effective May 29, 1990
- [AD 90-06-13](https://openairdocs.org/ad/90-06-13.md): Vertical Gyro · Effective Mar 30, 1990
- [AD 88-13-03 R1](https://openairdocs.org/ad/88-13-03-R1.md): Cotter Pins - Main Landing Gear · Effective Mar 15, 1989
- [AD 88-24-16](https://openairdocs.org/ad/88-24-16.md): Cabin Electrical Power · Effective Dec 12, 1988
- [AD 88-11-07](https://openairdocs.org/ad/88-11-07.md): Flap Panels · Effective Jul 21, 1988
- [AD 88-06-02](https://openairdocs.org/ad/88-06-02.md): Electrical Power · Effective May 10, 1988
- [AD 85-24-04](https://openairdocs.org/ad/85-24-04.md): AFM Revised Placard - Icing · Effective Feb 24, 1986
- [AD 85-25-10](https://openairdocs.org/ad/85-25-10.md): Placard - Icing Conditions · Effective Feb 11, 1986
- [AD 2006-04-10](https://openairdocs.org/ad/2006-04-10.md): Identification sleeves · Historical · Effective Mar 24, 2006 · Replaced by AD 2007-11-17

## 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 = '2076607'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '99999')
  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/N401HT/ads

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