3-Level is a production tool that is designed to help knock out those menial everyday tasks....just like all 3-levels. -Displays zulu time and date -Displays local time and date -Provides a quick "Pre-Flight" due calculator that display the expiration date in local time. -Provides a list of many common ICAOs along with their name. -Allows users to add notes to stations for future reference. -Conversions Tab with a whole slew of useful tools.