Летная книжка

Record-keeping operations and the collection of statistics on them. As well as searching through records in flight training. Basically, it will be useful to military pilots.
Opportunities:
- Create new and edit existing entries;
- Output statistics for a certain period of time, including the various terms;
- Edit a graph in the record that provides the flexibility to configure them for themselves.
- Create new and edit existing interruption.
- The color of the alarm output break.
- Support for Google Drive cloud storage.