UN Decoder

Your fast, offline, and reliable guide to IATA Dangerous Goods Regulations (DGR). DGR Info System is the essential tool for pilots, cabin crew, and ground staff who need accurate information instantly.

Stop flipping through pages. Our app provides three powerful tools in one:

UN Number Search (requires paid subscription): Get live suggestions as you type. See all Proper Shipping Names and Drill Codes for a single UN number grouped intelligently in one result. Includes clear warnings for restricted items.

Drill Code Decoder (free): Select any combination of drill numbers and letters to get full explanations of emergency procedures and hazards. Briefings become easy.

Passenger Baggage Guide (free): Quickly search for common items (laptops, aerosols, etc.) and see clear rules for cabin, checked, and on-person carriage.

Designed by aviation professionals for aviation professionals. Make your DGR checks faster and more efficient. Download today.