本仓库整体采用 CC BY-NC-ND 4.0（知识共享-署名-非商业性使用-禁止演绎） 许可协议，严格遵循以下规定：
- 允许使用：仅允许非商业性使用、合法查阅、个人存档、参考（不涉及学术、商业、营销等用途）；
- 禁止使用：严禁商业使用、改编、修改、二次创作、重分发、炒作、营销、娱乐化使用等行为；
- 引用要求：引用时必须注明来源为 NTSB 公开数据及本仓库，不得篡改数据或隐瞒数据来源。
This project is licensed under CC BY-NC-ND 4.0 (Attribution-NonCommercial-NoDerivatives 4.0 International) , and strictly abides by the following provisions:
- Permitted Use: Only non-commercial use, legal inspection, personal archiving, and reference (not involving academic, commercial, marketing and other purposes) are allowed;
- Prohibited Use: Commercial use, adaptation, modification, secondary creation, redistribution, sensationalism, marketing, entertainment use and other behaviors are strictly prohibited;
- Citation Requirement: When citing, it must indicate the source as NTSB public data and this repository, and shall not tamper with the data or conceal the data source.