# Proposed AD FAA-2025-2263: Diamond Aircraft Industries GmbH Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2025-24-07
- Products: Diamond Aircraft Industries
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: August 25, 2025, 90 FR 41346
- Comments due: October 9, 2025
- Became: [AD 2025-24-07](https://openairdocs.org/ad/2025-24-07)
- Docket: FAA-2025-2263 (https://www.regulations.gov/docket/FAA-2025-2263, where comments are filed)
- Project: MCAI-2024-00729-A
- FR document: 2025-16195
- Official PDF: https://openairdocs.org/files/sha256/e2/bf/e2bfc8b3406b2cae842186c6dd9035131013c22ea7c842756a92cd8500440c2e (from https://www.govinfo.gov/content/pkg/FR-2025-08-25/pdf/2025-16195.pdf)
- Federal Register: https://www.federalregister.gov/documents/2025/08/25/2025-16195/airworthiness-directives-diamond-aircraft-industries-gmbh-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FR-ADNPRM-2025-16195-00000000000.0001
- Page: https://openairdocs.org/proposed/FAA-2025-2263

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for all Diamond Aircraft Industries GmbH (DAI) Model DA 42, DA 42 NG, and DA 42 M-NG airplanes. This proposed AD was prompted by several reports of passenger door separation from the fuselage. This proposed AD would require revising the existing airplane flight manual (AFM) for your airplane to provide the flight crew with revised operating limitations, emergency procedures, and normal operating procedures; modifying the airplane; and repetitively inspecting the door latching and safety hooks for correct engagement, foreign objects, damage (including but not limited to corrosion and wear that exceeds specified limits), and proper function. The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Aug 25, 2025: Notice of proposed rulemaking (NPRM). (first notice), FR document 2025-16195, comments due Oct 9, 2025 (https://www.federalregister.gov/documents/2025/08/25/2025-16195/airworthiness-directives-diamond-aircraft-industries-gmbh-airplanes)

---
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.