NATS AIS Internet Briefing System (IBS)

NATS will replace the AIS IBS with a new system on Thursday, 12th August 2021.

The new system provides an improved user interface and enhanced functionality – Full details of changes are available via the NATS news item at including a new User Manual.

Note: Users with existing Pre-flight Information Bulletin (PIB) accounts will need to self-register a new account on the 12th August because it is not possible to transfer existing passwords.

The system will be down for a short period (approximately 3 hours) whilst the system is upgraded. During this period contingency AIP and NOTAM will be available at