Digital nautical chart AIO

The Admiralty Information Overlay (AIO) provides access to additional safety and Notice to Mariners (NM) information that shall be used in conjunction with ENCs to increase the safety of navigation using ECDIS..
海军部信息覆盖（AIO）提供额外的安全和航海通告（nm）的信息，应使用与电子海图增加使用电子海图导航安全的。
The Overlay contains information about changes or hazards of a temporary nature, such as temporary changes in navigational aids, advance notices of permanent changes about to take place, such as new survey information that will later be issued as an ENC update and additional information of relevance to TADS or AVCS customers that has not been included in national ENCs..
覆盖信息变化或危害是临时性的，如临时航标变化，要发生的永久性的变化，提前通知，比如新的调查资料，稍后将作为ENC更新和相关的TADS或AVCS的客户还没有被列入国家电子海图的附加信息的发出。
Functionality.
功能。
The Overlay is displayed as a single layer on top of the basic ENC and is available as part of the TADS service..
叠加显示在电子海图的基本单层和可获得的TADS服务部分。
This ensures that users have the most up to date Tamp;P information available regardless of where they are in the world. Tamp;P NMs are delivered on a weekly basis on the update DVD or with the online/email updates, depending on requirements..
这可确保用户有最新的夯实；P信息，无论他们在世界的哪个地方。夯实；P NMS提供每周一次的更新dvd或在线/电子邮件更新，根据要求。
The information contained in the Overlay is important navigational information that should be used when planning a voyage and may be referred to when navigating. The Admiralty Information Overlay contains all Admiralty Tamp;P NMs in force worldwide and additional ENC P (EP) NMs, which relate specifically to ENCs.
包含在覆盖信息是重要的导航信息时应使用规划航行并可以用于导航。覆盖包含所有海事夯实海事信息；在全球力和额外的ENC P NMS（EP）NMS，具体涉及到电子海图。