The IBS (Integrated Briefing System) is a Web-based service (https://ibs.lgs.lv) as well as a Mobile Application, which is designed for completion and submission of Flight Plans with a mandatory registration. Provision of pre-flight information preparation service to the end users is provided without registration. All Data including Aeronautical (NOTAM) and Meteorological information (textual OPMET and weather as graphical information) are supplied from the information systems of LGS.