What reference point does a gyro compass provide?

A gyro compass provides True North as its reference point. This is essential for navigation, as True North is based on the Earth's rotational axis and remains constant, unlike Magnetic North, which can vary based on magnetic variations in the Earth's magnetic field.

The gyro compass operates based on the principles of gyroscopic inertia, which allows it to maintain its orientation regardless of the Earth’s rotation. This reliability is crucial for maritime and aerial navigation, where precise bearings to True North are necessary.

Understanding this concept is key, especially since navigators often need to adjust their headings based on magnetic declination when using magnetic compasses. True North serves as the standard reference for navigational charts and systems, making it vital for accurate positioning and course plotting.