MINIMUM SAFE ALTITUDE WARNING (MSAW)

A function of the EAS and STARS computer that aids the controller by alerting him/her when a tracked Mode C equipped aircraft is below or is predicted by the computer to go below a predetermined minimum safe altitude.

Listed in the Pilot/Controller Glossary as a cross-reference to MINIMUM SAFE ALTITUDE WARNING (MSAW), whose text is shown above.

Source FAA Pilot/Controller Glossary↗ · checked 2026-08-25