Final answer:
To determine which circuit breaker to pop for the FMS, refer to the aircraft's maintenance manual or consult a qualified technician.
Step-by-step explanation:
The circuit breaker that should be popped to reset/turn off/on the FMS (Flight Management System) depends on the specific aircraft and its electrical system. The FMS is a critical component of an aircraft's avionics and is usually connected to multiple circuit breakers or power supplies.
To determine which circuit breaker to pop, refer to the aircraft's maintenance manual or consult a qualified technician. They will be able to guide you to the correct circuit breaker or power supply that controls the FMS.
It's important to follow proper procedures and safety protocols when interacting with aircraft electrical systems to avoid damage or injury.