# Airworthiness directives that may apply: N477CS

A list on [N477CS](https://openairdocs.org/aircraft/N477CS.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 2025-25-05](https://openairdocs.org/ad/2025-25-05.md): Rotorcraft Flight Control · Effective Dec 31, 2025
- [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07.md): Emergency Equipment; Emergency Flotation Section · Effective Dec 5, 2024
- [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 2023-03-01](https://openairdocs.org/ad/2023-03-01.md): Main Rotor System · Effective Feb 21, 2023
- [AD 2022-24-07](https://openairdocs.org/ad/2022-24-07.md): Main Rotor Drive System · Effective Jan 6, 2023 · Supersedes AD 2002-13-06, AD 2016-25-14
- [AD 2021-13-14](https://openairdocs.org/ad/2021-13-14.md): Cabin Equipment/Furnishings · Effective Aug 17, 2021
- [AD 2021-10-21](https://openairdocs.org/ad/2021-10-21.md): Main Rotor System · Effective Jul 7, 2021 · Supersedes AD 2019-07-07
- [AD 2021-07-08](https://openairdocs.org/ad/2021-07-08.md): Main Rotor Mast/Swashplate · Effective Apr 30, 2021 · Supersedes AD 97-26-02
- [AD 2017-05-03](https://openairdocs.org/ad/2017-05-03.md): Main Rotor Blade · Effective Mar 17, 2017
- [AD 2013-16-13](https://openairdocs.org/ad/2013-16-13.md): Tail Rotor Head · Effective Sep 27, 2013
- [AD 2013-16-06](https://openairdocs.org/ad/2013-16-06.md): Main Rotor Blades · Effective Sep 13, 2013
- [AD 2013-11-15](https://openairdocs.org/ad/2013-11-15.md): Main Rotor Control · Effective Jul 26, 2013
- [AD 2012-13-11](https://openairdocs.org/ad/2012-13-11.md): Tail Rotor Head · Effective Aug 7, 2012
- [AD 2011-25-01](https://openairdocs.org/ad/2011-25-01.md): Liferafts · Effective Jan 17, 2012
- [AD 2006-15-14](https://openairdocs.org/ad/2006-15-14.md): Fixed bolts and nuts, main rotor nuts · Effective Aug 31, 2006
- [AD 2000-18-13](https://openairdocs.org/ad/2000-18-13.md): Tension-Torsion (TT) Strap · Effective Oct 19, 2000 · Supersedes AD 99-20-13
- [AD 92-11-01](https://openairdocs.org/ad/92-11-01.md): Torque Indication Hose Assembly · Effective Aug 28, 1992
- [AD 87-26-02 R1](https://openairdocs.org/ad/87-26-02-R1.md): Main Rotor Control Rods · Effective Sep 26, 1989
- [AD 87-09-03](https://openairdocs.org/ad/87-09-03.md): Rotor Blade Bolts · Effective Aug 26, 1988
- [AD 87-19-01](https://openairdocs.org/ad/87-19-01.md): Stc Sh479gl Labels · Effective Dec 18, 1987
- [AD 2018-13-01](https://openairdocs.org/ad/2018-13-01.md): Turbine Governor · Effective Aug 16, 2018
- [AD 2006-16-04](https://openairdocs.org/ad/2006-16-04.md): Inspection of the fuel nozzle screen · Effective Sep 7, 2006 · Supersedes AD 2004-24-09
- [AD 2005-20-11](https://openairdocs.org/ad/2005-20-11.md): Airfoils at the hub and shroud of third-stage turbine wheels · Effective Oct 18, 2005
- [AD 2004-14-02](https://openairdocs.org/ad/2004-14-02.md): SN third-stage turbine wheels · Effective Jul 26, 2004
- [AD 2002-06-08](https://openairdocs.org/ad/2002-06-08.md): Third Stage Turbine Wheels · Effective Apr 26, 2002
- [AD 98-24-28](https://openairdocs.org/ad/98-24-28.md): Main Fuel Control Bellows · Effective Jan 7, 1999
- [AD 96-19-01](https://openairdocs.org/ad/96-19-01.md): Superior Air Parts Manufacture Approval (PMA) Bearings · Effective Sep 26, 1996
- [AD 89-23-12](https://openairdocs.org/ad/89-23-12.md): Turbine Nozzle Assembly · Effective Oct 29, 1989
- [AD 86-20-13](https://openairdocs.org/ad/86-20-13.md): External Splines · Effective Dec 3, 1986
- [AD 85-25-07 R1](https://openairdocs.org/ad/85-25-07-R1.md): Outer Combustion Case Assembly · Effective Aug 15, 1986
- [AD 86-16-03](https://openairdocs.org/ad/86-16-03.md): Scavenge Line Air/Oil Centrifugal Separator Assembly · Effective Aug 13, 1986
- [AD 85-25-12](https://openairdocs.org/ad/85-25-12.md): Turbine-To-Compressor-Coupling · Effective Jan 6, 1986
- [AD 85-25-09](https://openairdocs.org/ad/85-25-09.md): Turbine Shafts And Couplings · Effective Jan 6, 1986
- [AD 85-25-08](https://openairdocs.org/ad/85-25-08.md): Compressor Mount Assembly · Effective Jan 6, 1986
- [AD 83-01-04](https://openairdocs.org/ad/83-01-04.md): Turbine Assemblies · Effective Jan 24, 1983
- [AD 82-24-05](https://openairdocs.org/ad/82-24-05.md): Control Assembly and Power Turbine Governor Assembly · Effective Nov 26, 1982
- [AD 82-03-02](https://openairdocs.org/ad/82-03-02.md): N2 (Electronic) Overspeed Control System · Effective Feb 4, 1982
- [AD 79-16-06](https://openairdocs.org/ad/79-16-06.md): Accessory Drive Gearbox · Effective Jan 11, 1980
- [AD 79-18-13](https://openairdocs.org/ad/79-18-13.md): Third Stage Turbine Wheel · Effective Sep 6, 1979
- [AD 79-06-05](https://openairdocs.org/ad/79-06-05.md): Overspeed Control System · Effective Mar 26, 1979
- [AD 78-26-01](https://openairdocs.org/ad/78-26-01.md): Engine Electrical System · Effective Nov 3, 1978
- [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 2021-10-14](https://openairdocs.org/ad/2021-10-14.md): Main Rotor System · Historical · Effective Jun 24, 2021 · Replaced by AD 2022-24-07
- [AD 2019-07-07](https://openairdocs.org/ad/2019-07-07.md): Main Rotor System · Historical · Effective May 24, 2019 · Replaced by AD 2021-10-21
- [AD 2016-25-14](https://openairdocs.org/ad/2016-25-14.md): Main Rotor System · Historical · Effective Jan 31, 2017 · Replaced by AD 2022-24-07
- [AD 99-20-13](https://openairdocs.org/ad/99-20-13.md): TT Strap · Historical · Effective Nov 2, 1999 · Replaced by AD 2000-18-13
- [AD 97-26-02](https://openairdocs.org/ad/97-26-02.md): Main Rotor Mast Flange Crack Inspection · Historical · Effective Dec 31, 1997 · Replaced by AD 2021-07-08
- [AD 2004-24-09](https://openairdocs.org/ad/2004-24-09.md): Fuel nozzle · Historical · Effective Jan 5, 2005 · Replaced by AD 2006-16-04

## 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 = '8680965'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '03022')
  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/N477CS/ads

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