# Airworthiness directives: TCDS H79EU A list on [TCDS H79EU](https://openairdocs.org/tcds/H79EU.md). ADs whose products are models on this data sheet, matched by model and maker. Those in force first, newest first. - [AD 2026-02-09](https://openairdocs.org/ad/2026-02-09.md): Main Rotor Gearbox · Effective Feb 18, 2026 - [AD 2026-02-05](https://openairdocs.org/ad/2026-02-05.md): Fuselage Structure (General) · Effective Feb 6, 2026 - [AD 2025-03-03](https://openairdocs.org/ad/2025-03-03.md): Cabin Equipment/Furnishings · Effective Feb 19, 2025 - [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07.md): Emergency Equipment; Emergency Flotation Section · Effective Dec 5, 2024 - [AD 2024-04-05](https://openairdocs.org/ad/2024-04-05.md): Main Rotor Gearbox · Effective Apr 19, 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 2023-07-03](https://openairdocs.org/ad/2023-07-03.md): Rotorcraft Tail Boom · Effective May 10, 2023 - [AD 2022-22-12](https://openairdocs.org/ad/2022-22-12.md): Nose/Tail Landing Gear Structure/Axle · Effective Nov 22, 2022 - [AD 2022-14-03](https://openairdocs.org/ad/2022-14-03.md): Rotorcraft Tail Boom · Effective Jul 28, 2022 - [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10.md): Cabin Equipment/Furnishings · Effective Apr 20, 2022 - [AD 2022-01-03](https://openairdocs.org/ad/2022-01-03.md): Fire Bottle, Portable · Effective Mar 7, 2022 - [AD 2022-02-08](https://openairdocs.org/ad/2022-02-08.md): Fuel Controlling system · Effective Feb 25, 2022 - [AD 2021-20-12](https://openairdocs.org/ad/2021-20-12.md): Emergency Flotation Section · Effective Nov 22, 2021 - [AD 2021-22-07](https://openairdocs.org/ad/2021-22-07.md): Fire Bottle, Portable · Effective Nov 18, 2021 - [AD 2021-19-05](https://openairdocs.org/ad/2021-19-05.md): Cabin Equipment/Furnishings, Cargo Compartments · Effective Oct 12, 2021 - [AD 2021-16-04](https://openairdocs.org/ad/2021-16-04.md): Electrical Power System · Effective Sep 23, 2021 - [AD 2021-18-07](https://openairdocs.org/ad/2021-18-07.md): Landing Gear System · Effective Sep 20, 2021 - [AD 2021-07-16](https://openairdocs.org/ad/2021-07-16.md): Main Rotor Drive System · Effective Apr 28, 2021 - [AD 2020-18-19](https://openairdocs.org/ad/2020-18-19.md): Main Rotor Brake · Effective Sep 21, 2020 · Supersedes AD 2014-12-07 - [AD 2018-05-10](https://openairdocs.org/ad/2018-05-10.md): Cabin Equipment/Furnishings · Effective Mar 27, 2018 - [AD 2015-23-02](https://openairdocs.org/ad/2015-23-02.md): Cargo Compartments · Effective Nov 24, 2015 - [AD 2015-11-07](https://openairdocs.org/ad/2015-11-07.md): Tail Rotor Drive Shaft · Effective Jun 24, 2015 - [AD 2014-12-09](https://openairdocs.org/ad/2014-12-09.md): Main Rotor Gearbox · Effective Jul 7, 2014 - [AD 2014-04-13](https://openairdocs.org/ad/2014-04-13.md): Tail rotor blades · Effective Mar 25, 2014 - [AD 2014-02-06](https://openairdocs.org/ad/2014-02-06.md): Main Rotor Mast/Swashplate · Effective Mar 12, 2014 - [AD 2013-16-16](https://openairdocs.org/ad/2013-16-16.md): Main Landing Gear Strut/Axle/Truck · Effective Sep 17, 2013 - [AD 2013-06-51](https://openairdocs.org/ad/2013-06-51.md): Equipment/Furnishings · Emergency AD · Effective Jul 15, 2013 - [AD 2012-22-06](https://openairdocs.org/ad/2012-22-06.md): High Landing Gear Forward Crosstube Assembly · Effective Dec 14, 2012 - [AD 2012-18-02](https://openairdocs.org/ad/2012-18-02.md): External Load Handling Equipment · Effective Sep 26, 2012 - [AD 2012-11-13](https://openairdocs.org/ad/2012-11-13.md): High Landing Gear Aft Crosstube Assembly · Effective Jul 30, 2012 - [AD 2012-07-01](https://openairdocs.org/ad/2012-07-01.md): Tail rotor bladees · Effective Apr 20, 2012 - [AD 2011-25-01](https://openairdocs.org/ad/2011-25-01.md): Liferafts · Effective Jan 17, 2012 - [AD 2011-10-11](https://openairdocs.org/ad/2011-10-11.md): Rescue hoist hook · Effective May 31, 2011 - [AD 2010-10-16](https://openairdocs.org/ad/2010-10-16.md): Crosstube · Effective Jun 8, 2010 - [AD 2009-18-17](https://openairdocs.org/ad/2009-18-17.md): Miscellaneous Hardware · Effective Sep 21, 2009 - [AD 2005-13-17](https://openairdocs.org/ad/2005-13-17.md): Tail rotor blade (blade) forward tip · Effective Jul 11, 2005 - [AD 2001-17-33](https://openairdocs.org/ad/2001-17-33.md): Hoist · Effective Sep 14, 2001 - [AD 2001-09-11](https://openairdocs.org/ad/2001-09-11.md): Tail Rotor Yoke · Effective Jun 11, 2001 · Supersedes AD 98-07-03 - [AD 2000-02-09](https://openairdocs.org/ad/2000-02-09.md): Rescue Hoist Hook Assembly · Effective Feb 10, 2000 - [AD 99-26-14](https://openairdocs.org/ad/99-26-14.md): Main Rotor Yoke · Effective Jan 4, 2000 - [AD 98-07-10](https://openairdocs.org/ad/98-07-10.md): Tail Rotor Blades · Effective Apr 16, 1998 - [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 2014-12-07](https://openairdocs.org/ad/2014-12-07.md): Main Rotor Brake · Historical · Effective Jul 7, 2014 · Replaced by AD 2020-18-19 - [AD 98-07-03](https://openairdocs.org/ad/98-07-03.md): Tail Rotor Yoke Assembly · Historical · Effective Apr 8, 1998 · Replaced by AD 2001-09-11 ## 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 FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_directive_product.parquet' WHERE tcds_number = 'H79EU') ORDER BY d.status = 'Historical', coalesce(d.effective_date, d.publication_date) DESC ``` This list as a web page: https://openairdocs.org/tcds/H79EU/ads --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.