What is assigned to NAV channel preset for KCBM ILS 13C?

The correct choice indicates that Channel 2 is assigned to the NAV channel preset for KCBM ILS 13C. In aviation navigation, ILS (Instrument Landing System) approaches are associated with specific frequencies and channels to ensure pilots can accurately receive guidance during approaches and landings. The assignment of a specific channel allows pilots to access the correct navigational data needed for the ILS approach at KCBM.

In this case, Channel 2 being assigned to KCBM ILS 13C implies it is configured to receive the appropriate signals necessary for the instrument approach to that runway. Ensuring the proper channel is set is crucial for maintaining safety and precision during the approach phase of flight. Familiarizing oneself with these channel assignments is an essential part of pre-flight planning and navigation procedures.