Active pilots will appreciate Digital Terminal Procedure Publications for their Android device. The app contains more than 21,000 aviation charts covering roughly 3,000 U.S. airports and facilities. You’ll always have the charts you need when you need them. Useful whenever you fly as a highly portable reference or a backup to the paper charts you usually use.

Publications include Instrument Approach Procedure charts, Departure Procedure charts, and airport diagrams, among many others. Charts are downloaded to your device in PDF format and are then available whenever needed. The app provides one full annual cycle of data. Updates and subscriptions are available separately.