In the US the Position Location and Navigation Symposium (PLANS) is a biennial technical conference that occurs in the spring of even numbered years. Aim of the symposium is to provide a forum to share the latest advances in navigation technology.

The PLANS conference is a four day event with one day dedicated to tutorials and three days to technical sessions. Tutorials provide delegates with the opportunity to learn about navigation technology from well-known industry experts. Twenty-four half-day technical sessions are offered over a three-day period, with four sessions running simultaneously each morning and afternoon. At the technical sessions scientists, researchers and engineers from around the world present their latest work in the field of navigation.