# Airworthiness directives that may apply: N911KB

A list on [N911KB](https://openairdocs.org/aircraft/N911KB.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 2026-20-06](https://openairdocs.org/ad/2026-20-06.md): Main rotor gearbox · Effective Oct 13, 2026
- [AD 2026-17-05](https://openairdocs.org/ad/2026-17-05.md): Cabin Equipment/Furnishings · Effective Oct 2, 2026
- [AD 2026-08-10](https://openairdocs.org/ad/2026-08-10.md): Passenger compartment equipment · Effective May 11, 2026
- [AD 2026-02-01](https://openairdocs.org/ad/2026-02-01.md): Tail Rotor Drive Shaft · Effective Feb 26, 2026
- [AD 2026-03-02](https://openairdocs.org/ad/2026-03-02.md): Rotorcraft Tail Boom · Effective Feb 17, 2026 · Supersedes AD 2014-13-09
- [AD 2025-18-04](https://openairdocs.org/ad/2025-18-04.md): Cabin Equipment/Furnishings · Effective Oct 21, 2025
- [AD 2025-13-06](https://openairdocs.org/ad/2025-13-06.md): Tail Rotor Control System · Effective Jul 18, 2025
- [AD 2025-04-10](https://openairdocs.org/ad/2025-04-10.md): Emergency equipment · Effective Mar 24, 2025
- [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07.md): Emergency Equipment; Emergency Flotation Section · Effective Dec 5, 2024
- [AD 2024-17-01](https://openairdocs.org/ad/2024-17-01.md): Main Rotor Control · Effective Nov 4, 2024 · Supersedes AD 2021-11-17, AD 2021-11-22
- [AD 2024-04-01](https://openairdocs.org/ad/2024-04-01.md): Cabin Equipment/Furnishings · Effective Apr 19, 2024
- [AD 2024-04-10](https://openairdocs.org/ad/2024-04-10.md): Tail Rotor Blades · Effective Mar 19, 2024
- [AD 2022-17-01](https://openairdocs.org/ad/2022-17-01.md): Air Conditioning System · Effective Sep 27, 2022
- [AD 2022-10-51](https://openairdocs.org/ad/2022-10-51.md): Flight Control System · Emergency AD · Effective Jun 7, 2022
- [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10.md): Cabin Equipment/Furnishings · Effective Apr 20, 2022
- [AD 2022-02-19](https://openairdocs.org/ad/2022-02-19.md): Flight Compartment Equipment · Effective Mar 17, 2022
- [AD 2022-01-03](https://openairdocs.org/ad/2022-01-03.md): Fire Bottle, Portable · Effective Mar 7, 2022
- [AD 2021-24-17](https://openairdocs.org/ad/2021-24-17.md): Tail rotor blades · Effective Jan 18, 2022
- [AD 2021-21-01](https://openairdocs.org/ad/2021-21-01.md): Cabin Equipment/Furnishings · Effective Dec 10, 2021 · Supersedes AD 2019-05-06
- [AD 2021-17-17](https://openairdocs.org/ad/2021-17-17.md): Cabin Equipment/Furnishings · Effective Nov 22, 2021
- [AD 2021-22-07](https://openairdocs.org/ad/2021-22-07.md): Fire Bottle, Portable · Effective Nov 18, 2021
- [AD 2021-16-10](https://openairdocs.org/ad/2021-16-10.md): Tail Rotor Blades · Effective Oct 13, 2021
- [AD 2021-13-05](https://openairdocs.org/ad/2021-13-05.md): Tail Rotor Control System · Effective Aug 11, 2021
- [AD 2021-07-12](https://openairdocs.org/ad/2021-07-12.md): Rotorcraft Flight Control · Effective May 11, 2021
- [AD 2021-09-07](https://openairdocs.org/ad/2021-09-07.md): Rotorcraft Flight Control · Effective May 10, 2021 · Supersedes AD 2019-17-02
- [AD 2021-03-04](https://openairdocs.org/ad/2021-03-04.md): Fasteners, Tail Rotor Drive Shaft · Effective Mar 29, 2021
- [AD 2020-26-03](https://openairdocs.org/ad/2020-26-03.md): Rotorcraft Flight Control · Effective Jan 22, 2021 · Supersedes AD 2007-26-51
- [AD 2020-22-04](https://openairdocs.org/ad/2020-22-04.md): Tail Rotor Drive · Effective Nov 18, 2020
- [AD 2014-05-06 R2](https://openairdocs.org/ad/2014-05-06-R2.md): Main Rotor Control · Effective Feb 19, 2019 · Supersedes AD 2014-05-06 R1
- [AD 2013-21-05 R1](https://openairdocs.org/ad/2013-21-05-R1.md): Tail Rotor Control System · Effective Dec 21, 2018 · Supersedes AD 2013-21-05
- [AD 2018-07-01](https://openairdocs.org/ad/2018-07-01.md): Main Rotor Gearbox · Effective May 3, 2018 · Supersedes AD 2013-16-14
- [AD 2017-03-01](https://openairdocs.org/ad/2017-03-01.md): Main Rotor Control · Effective Mar 31, 2017 · Supersedes AD 2014-05-06
- [AD 2015-12-09 R1](https://openairdocs.org/ad/2015-12-09-R1.md): Flight Controller · Effective Feb 25, 2016 · Supersedes AD 2015-12-09
- [AD 2014-16-24](https://openairdocs.org/ad/2014-16-24.md): Main Rotor Head · Effective Sep 25, 2014 · Supersedes AD 2012-10-53
- [AD 2014-05-01](https://openairdocs.org/ad/2014-05-01.md): Main Rotor Gearbox · Effective Apr 14, 2014
- [AD 2013-21-06](https://openairdocs.org/ad/2013-21-06.md): Fuselage, Equipment Attach Fittings · Effective Jan 31, 2014
- [AD 2013-18-05](https://openairdocs.org/ad/2013-18-05.md): Extinguishing System · Effective Oct 18, 2013
- [AD 2013-11-15](https://openairdocs.org/ad/2013-11-15.md): Main Rotor Control · Effective Jul 26, 2013
- [AD 2013-06-51](https://openairdocs.org/ad/2013-06-51.md): Equipment/Furnishings · Emergency AD · Effective Jul 15, 2013
- [AD 2013-10-01](https://openairdocs.org/ad/2013-10-01.md): Exterior lighting · Effective Jun 20, 2013
- [AD 2012-23-07](https://openairdocs.org/ad/2012-23-07.md): Main Rotor Mast/Swashplate · Effective Jan 11, 2013
- [AD 2012-11-02](https://openairdocs.org/ad/2012-11-02.md): Crack · Effective Jul 10, 2012 · Supersedes AD 2008-22-51
- [AD 2012-03-01](https://openairdocs.org/ad/2012-03-01.md): Engine Controls · Effective Mar 21, 2012
- [AD 2011-25-01](https://openairdocs.org/ad/2011-25-01.md): Liferafts · Effective Jan 17, 2012
- [AD 2009-11-10](https://openairdocs.org/ad/2009-11-10.md): Main rotor drive · Effective Jun 12, 2009
- [AD 2008-04-05](https://openairdocs.org/ad/2008-04-05.md): Wiring harness · Effective Mar 6, 2008
- [AD 2004-22-11](https://openairdocs.org/ad/2004-22-11.md): Rotorcraft Flight Manual (RFM) · Effective Dec 7, 2004 · Supersedes AD 2003-20-11
- [AD 2002-14-17](https://openairdocs.org/ad/2002-14-17.md): Main rotor hub shaft · Effective Jul 26, 2002 · Supersedes AD 99-12-01
- [AD 2001-26-52](https://openairdocs.org/ad/2001-26-52.md): Rotorcraft Flight Manual - Smart Multifunction Display (SMD45H) · Emergency AD · Effective Feb 6, 2002
- [AD 2000-26-12](https://openairdocs.org/ad/2000-26-12.md): Hydraulic Line Shielding Hose · Effective Feb 6, 2001
- [AD 2000-26-02](https://openairdocs.org/ad/2000-26-02.md): Fenestron Tail Rotor · Effective Jan 26, 2001 · Supersedes AD 97-20-13
- [AD 2000-13-08](https://openairdocs.org/ad/2000-13-08.md): Tail Rotor Drive Shaft · Effective Aug 9, 2000 · Supersedes AD 98-15-25
- [AD 2000-10-07](https://openairdocs.org/ad/2000-10-07.md): Oil Cooler Fan Splined Drive Shaft · Effective Jun 21, 2000
- [AD 2000-01-19](https://openairdocs.org/ad/2000-01-19.md): Main Rotor Blade Expansion Bolt · Effective Feb 4, 2000
- [AD 99-22-01](https://openairdocs.org/ad/99-22-01.md): Tail Boom Frame Flange Inspection · Effective Dec 17, 1999
- [AD 2009-03-05](https://openairdocs.org/ad/2009-03-05.md): Compressor turbine (CT) disc bore · Effective Mar 27, 2009
- [AD 2004-17-03](https://openairdocs.org/ad/2004-17-03.md): Compressor turbine and power turbine blades for blade axial shift · Effective Sep 24, 2004 · Supersedes AD 2003-16-10
- [AD 2021-11-22](https://openairdocs.org/ad/2021-11-22.md): Tail Rotor System · Historical · Effective Jul 16, 2021 · Replaced by AD 2024-17-01
- [AD 2021-11-17](https://openairdocs.org/ad/2021-11-17.md): Main Rotor Control · Historical · Effective Jul 16, 2021 · Replaced by AD 2024-17-01
- [AD 2019-17-02](https://openairdocs.org/ad/2019-17-02.md): Rotorcraft Flight Control · Historical · Effective Sep 25, 2019 · Replaced by AD 2021-09-07
- [AD 2019-05-06](https://openairdocs.org/ad/2019-05-06.md): Cabin Equipment/Furnishings · Historical · Effective Apr 17, 2019 · Replaced by AD 2021-21-01
- [AD 2014-05-06 R1](https://openairdocs.org/ad/2014-05-06-R1.md): Main Rotor Control · Historical · Effective Jan 22, 2019 · Replaced by AD 2014-05-06 R2
- [AD 2016-11-21](https://openairdocs.org/ad/2016-11-21.md): Swashplate Ring, Cardan Ring, Bolt, Mixing Lever Gear Unit (flight controls) · Historical · Effective Jul 11, 2016 · Replaced by AD 2021-11-22
- [AD 2015-12-09](https://openairdocs.org/ad/2015-12-09.md): Flight Controller · Historical · Effective Jul 23, 2015 · Replaced by AD 2015-12-09 R1
- [AD 2014-13-09](https://openairdocs.org/ad/2014-13-09.md): Tail Rotor · Historical · Effective Jul 30, 2014 · Replaced by AD 2026-03-02
- [AD 2014-05-06](https://openairdocs.org/ad/2014-05-06.md): Main Rotor Control · Historical · Effective Apr 14, 2014 · Replaced by AD 2014-05-06 R1
- [AD 2013-21-05](https://openairdocs.org/ad/2013-21-05.md): Tail Rotor Control System · Historical · Effective Dec 5, 2013 · Replaced by AD 2013-21-05 R1
- [AD 2013-16-14](https://openairdocs.org/ad/2013-16-14.md): Main Rotor Gearbox · Historical · Effective Oct 9, 2013 · Replaced by AD 2018-07-01
- [AD 2012-10-53](https://openairdocs.org/ad/2012-10-53.md): Main Rotor Head · Historical · Effective Dec 5, 2012 · Replaced by AD 2014-16-24
- [AD 2012-10-51](https://openairdocs.org/ad/2012-10-51.md): Main Rotor Head · Historical · Replaced by AD 2012-10-53
- [AD 2008-22-51](https://openairdocs.org/ad/2008-22-51.md): Ring frame that connects the tail rotor fenestron housing to the rear structure tube (tailboom) · Historical · Replaced by AD 2012-11-02
- [AD 2007-26-51](https://openairdocs.org/ad/2007-26-51.md): Tail rotor control rod (control rod) · Historical · Effective Feb 19, 2008 · Replaced by AD 2020-26-03
- [AD 2003-16-10](https://openairdocs.org/ad/2003-16-10.md): Compressor turbine and power turbine blades · Historical · Effective Aug 29, 2003 · Replaced by AD 2004-17-03

## 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 = '8680990'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '52151')
  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/N911KB/ads

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