What does a glide slope indicator help ensure during landing?

• A. Correct fuel levels for landing
• B. Proper descent angle
• C. Clear visibility conditions
• D. Engine power optimization

Answer: (B)

The glide slope indicator is a crucial component of the Instrument Landing System (ILS), providing guidance to pilots during the approach and landing phases. Specifically, it helps ensure a proper descent angle by indicating whether the aircraft is above, below, or on the ideal glide path toward the runway. Maintaining the correct descent angle is vital for a safe landing, as it ensures the aircraft approaches the runway at a precise slope, facilitating a smooth touchdown.

By following the glide slope indicator, pilots can make necessary adjustments to their descent rate and angle, ensuring they reach the runway at the correct altitude and position. This instrument is especially useful in low visibility conditions where visual references may be impaired. The other options relate to different aspects of flight operations but do not pertain directly to the function of the glide slope indicator in ensuring a safe and accurate landing approach.