# Airworthiness directives that may apply: Walter M601 series

A list on [Walter M601 series](https://openairdocs.org/engine/walter-m601-series.md).

Matched by model name and maker. Each AD’s applicability may narrow it by serial number, part number or configuration.

- [AD 2025-18-08](https://openairdocs.org/ad/2025-18-08.md): Engine Mount Section; Turbine Engine Compressor Section · Effective Oct 21, 2025 · Supersedes AD 2024-06-02
- [AD 2024-03-05](https://openairdocs.org/ad/2024-03-05.md): Turbine Engine Reduction Gear · Effective Apr 17, 2024
- [AD 2024-02-04](https://openairdocs.org/ad/2024-02-04.md): Turbine Engine Compressor Section · Effective Mar 28, 2024 · Supersedes AD 2021-13-07
- [AD 2023-12-24](https://openairdocs.org/ad/2023-12-24.md): Engine · Effective Aug 15, 2023
- [AD 2023-01-10](https://openairdocs.org/ad/2023-01-10.md): Turbine Engine Compressor Section · Effective Mar 13, 2023
- [AD 2022-26-01](https://openairdocs.org/ad/2022-26-01.md): Turbine Engine Combustion Section · Effective Jan 26, 2023
- [AD 2022-14-12](https://openairdocs.org/ad/2022-14-12.md): Turbine Engine Reduction Gear · Effective Aug 18, 2022
- [AD 2022-13-16](https://openairdocs.org/ad/2022-13-16.md): Turbine Engine Compressor Section · Effective Aug 1, 2022
- [AD 2020-23-01](https://openairdocs.org/ad/2020-23-01.md): Fuel Control/Turbine Engines · Effective Nov 24, 2020
- [AD 2020-15-04](https://openairdocs.org/ad/2020-15-04.md): Engine Collector/Tailpipe/Nozzle · Effective Aug 31, 2020
- [AD 2020-15-03](https://openairdocs.org/ad/2020-15-03.md): Turbine Section · Effective Aug 31, 2020 · Supersedes AD 2016-07-13, AD 2018-03-22
- [AD 2015-17-20](https://openairdocs.org/ad/2015-17-20.md): Gas generator turbine (GGT) blades · Effective Oct 1, 2015
- [AD 2015-14-02](https://openairdocs.org/ad/2015-14-02.md): Reduction gearbox and supporting cone · Effective Aug 18, 2015
- [AD 2024-06-02](https://openairdocs.org/ad/2024-06-02.md): Engine Mount Section; Turbine Engine Compressor Section · Historical · Effective Apr 11, 2024 · Replaced by AD 2025-18-08
- [AD 2021-13-07](https://openairdocs.org/ad/2021-13-07.md): Engine (Turbine/Turboprop) · Historical · Effective Jun 30, 2021 · Replaced by AD 2024-02-04
- [AD 2018-03-22](https://openairdocs.org/ad/2018-03-22.md): Turbine Section · Historical · Effective Mar 21, 2018 · Replaced by AD 2020-15-03
- [AD 2016-07-13](https://openairdocs.org/ad/2016-07-13.md): Engine power turbine (PT) disk · Historical · Effective Apr 22, 2016 · Replaced by AD 2020-15-03

## 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
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_engine_model_directive.parquet' WHERE engine_model_code IN ('64002', '64003'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/engine/walter-m601-series/ads

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