# Airworthiness directives: TCDS A50NM A list on [TCDS A50NM](https://openairdocs.org/tcds/A50NM.md). ADs whose products are models on this data sheet, matched by model and maker. Those in force first, newest first. Page 1 of 2 · 92 ADs - [AD 2026-18-02](https://openairdocs.org/ad/2026-18-02.md): Time Limits/Maintenance Checks · Effective Oct 16, 2026 - [AD 2026-18-05](https://openairdocs.org/ad/2026-18-05.md): Time Limits/Maintenance Checks · Effective Oct 16, 2026 · Supersedes AD 2023-23-06 - [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02.md): Navigation · Effective Jul 1, 2026 - [AD 2026-07-02](https://openairdocs.org/ad/2026-07-02.md): Electrical power · Effective May 11, 2026 - [AD 2025-15-06](https://openairdocs.org/ad/2025-15-06.md): Navigation · Effective Sep 3, 2025 - [AD 2025-06-05](https://openairdocs.org/ad/2025-06-05.md): Information systems · Effective May 2, 2025 - [AD 2024-14-09](https://openairdocs.org/ad/2024-14-09.md): Standard Practices/Structures · Effective Oct 15, 2024 · Supersedes AD 2022-02-10 - [AD 2023-22-12](https://openairdocs.org/ad/2023-22-12.md): Time Limits/Maintenance Checks · Effective Dec 27, 2023 · Supersedes AD 2023-04-18 - [AD 2010-26-05 R1](https://openairdocs.org/ad/2010-26-05-R1.md): Air conditioning · Effective Dec 6, 2023 · Supersedes AD 2010-26-05 - [AD 2023-18-08](https://openairdocs.org/ad/2023-18-08.md): Ice and Rain Protection · Effective Nov 7, 2023 - [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 2022-27-05](https://openairdocs.org/ad/2022-27-05.md): Landing gear · Effective Feb 3, 2023 · Supersedes AD 2022-09-15 - [AD 2021-20-14](https://openairdocs.org/ad/2021-20-14.md): Equipment/Furnishings · Effective Nov 18, 2021 - [AD 2021-14-04](https://openairdocs.org/ad/2021-14-04.md): Equipment/Furnishings · Effective Aug 26, 2021 - [AD 2020-20-01](https://openairdocs.org/ad/2020-20-01.md): Instruments · Effective Oct 21, 2020 - [AD 2020-17-12](https://openairdocs.org/ad/2020-17-12.md): Equipment/furnishings · Effective Sep 9, 2020 - [AD 2019-23-18](https://openairdocs.org/ad/2019-23-18.md): Fire protection · Effective Jan 17, 2020 - [AD 2019-23-17](https://openairdocs.org/ad/2019-23-17.md): Flight controls · Effective Dec 27, 2019 - [AD 2018-25-13](https://openairdocs.org/ad/2018-25-13.md): Electrical power · Effective Jan 18, 2019 - [AD 2018-19-14](https://openairdocs.org/ad/2018-19-14.md): Ice and Rain Protection · Effective Nov 1, 2018 - [AD 2018-05-05](https://openairdocs.org/ad/2018-05-05.md): Wings · Effective Apr 11, 2018 - [AD 2018-02-06](https://openairdocs.org/ad/2018-02-06.md): Navigation · Effective Feb 5, 2018 - [AD 2017-25-11](https://openairdocs.org/ad/2017-25-11.md): Ice and Rain Protection · Effective Jan 22, 2018 - [AD 2017-23-10](https://openairdocs.org/ad/2017-23-10.md): Ice and rain protection · Effective Dec 1, 2017 · Supersedes AD 2017-19-17 - [AD 2017-18-08](https://openairdocs.org/ad/2017-18-08.md): Ice and Rain Protection · Effective Oct 5, 2017 - [AD 2017-16-09](https://openairdocs.org/ad/2017-16-09.md): Landing gear · Effective Sep 25, 2017 - [AD 2016-19-13](https://openairdocs.org/ad/2016-19-13.md): Lights · Effective Nov 22, 2016 - [AD 2016-15-05](https://openairdocs.org/ad/2016-15-05.md): Flight Controls · Effective Sep 8, 2016 - [AD 2016-10-16](https://openairdocs.org/ad/2016-10-16.md): Operations Information · Effective Jun 27, 2016 - [AD 2016-09-03](https://openairdocs.org/ad/2016-09-03.md): Equipment/Furnishings · Effective Jun 6, 2016 - [AD 2016-04-09](https://openairdocs.org/ad/2016-04-09.md): Wings · Effective Apr 5, 2016 - [AD 2015-13-08](https://openairdocs.org/ad/2015-13-08.md): Ice and Rain Protection · Effective Jun 30, 2015 - [AD 2014-25-08](https://openairdocs.org/ad/2014-25-08.md): Equipment/Furnishings · Effective Jan 20, 2015 - [AD 2012-26-15 R1](https://openairdocs.org/ad/2012-26-15-R1.md): Navigation · Effective Dec 3, 2014 · Supersedes AD 2012-26-15 - [AD 2014-18-01](https://openairdocs.org/ad/2014-18-01.md): Navigation · Effective Oct 14, 2014 - [AD 2014-12-02](https://openairdocs.org/ad/2014-12-02.md): Flight Controls · Effective Aug 4, 2014 - [AD 2013-09-03](https://openairdocs.org/ad/2013-09-03.md): Wings · Effective Aug 14, 2013 - [AD 2010-10-24](https://openairdocs.org/ad/2010-10-24.md): Landing gear · Effective Jun 25, 2010 - [AD 2009-14-09](https://openairdocs.org/ad/2009-14-09.md): Fuselage · Effective Aug 12, 2009 - [AD 2008-22-05](https://openairdocs.org/ad/2008-22-05.md): Control panel reading light · Effective Dec 19, 2008 - [AD 2008-22-15](https://openairdocs.org/ad/2008-22-15.md): Crew System Alerting (CAS) · Effective Dec 11, 2008 · Supersedes AD 2007-02-01 - [AD 2008-16-08](https://openairdocs.org/ad/2008-16-08.md): 4 Electronic Flight Instrumentation System (EFIS) · Effective Sep 9, 2008 - [AD 2008-13-31](https://openairdocs.org/ad/2008-13-31.md): Engine cowlings · Effective Aug 12, 2008 - [AD 2008-12-14](https://openairdocs.org/ad/2008-12-14.md): Wings' anti-ice valve · Effective Jul 23, 2008 - [AD 2008-12-15](https://openairdocs.org/ad/2008-12-15.md): Oxygen controller · Effective Jul 23, 2008 - [AD 2008-12-18](https://openairdocs.org/ad/2008-12-18.md): Primary flight unit (PDU) · Effective Jul 23, 2008 - [AD 2008-08-20](https://openairdocs.org/ad/2008-08-20.md): Wing anti ice telescopic tubes · Effective May 27, 2008 - [AD 2008-04-14](https://openairdocs.org/ad/2008-04-14.md): Overwing emergency exit · Effective Apr 1, 2008 · Supersedes AD 2000-12-15 - [AD 2007-25-10](https://openairdocs.org/ad/2007-25-10.md): Trailing edge flap · Effective Jan 14, 2008 - [AD 2007-12-16](https://openairdocs.org/ad/2007-12-16.md): Skin panels · Effective Jul 19, 2007 Next page: https://openairdocs.org/tcds/A50NM/ads.md?page=2 ## 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 = 'A50NM') ORDER BY d.status = 'Historical', coalesce(d.effective_date, d.publication_date) DESC ``` This list as a web page: https://openairdocs.org/tcds/A50NM/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.