Which statement best describes a precision approach's guidance?

• A. Provides lateral guidance only
• B. Provides vertical guidance only
• C. Provides lateral and vertical guidance
• D. Provides no guidance

Answer: (C)

A precision approach provides guidance in both horizontal and vertical dimensions. The horizontal part keeps you on the correct centerline of the runway path, while the vertical part delivers a defined glide path for descent. This combination allows pilots to fly a precise path with lower minimums, which is why systems like an ILS include a localizer for lateral guidance and a glideslope for vertical guidance. Modern precision approaches such as GLS and LPV use satellite or augmentation technology to supply both axes of guidance, reinforcing the same idea. Other options that offer only one dimension or none don’t give the full, precise guidance needed for a precision approach.