该j661项目提供了一个（或ARINC 661服务器）通用CDS，以方便ARINC 661标准，了解ARINC 661的原型概念和体系结构，并促进ARINC 661规范和文物之间的项目。 CDS的架构设计，让定义服务器行为可以很容易地修改或扩展。这是通过在运行模块式插件体系结构，允许在不改变任何事情本身的服务器核心定制。
j661 0.50.1 Beta 1更新日志：
Allow to override by the Look and ">feel the Command definition for the Symbols Fix the ArcCircle and ArcEllipse angles for Symbols being incorrect in some cases Update preliminary support for the new A661_NUMERIC_READOUT and A661_SCALED_TRANSLATION_CONTAINER widgets
which will appear for supplement 5. Widgets attributes are now the last
defined after discussion by the committee Preliminary support for the new A661_GP_POLYLINE widget which will appear for supplement 5. Its attributes are the last
defined after discussion by the committee Add the new byte_8_
array type which will appear for supplement 5, used by the new A661_GP_POLYLINE widget Fixed the maximum size for the arrays incorrectly set to the
current size for the
Editor in some cases, leading to the necessity to increase
manually the size of the table before adding new rows in the array Make sure in the Editor to change the size of arrays widget attribute if rows were added or deleted in the array