Which of the following is not required to descend below minimums?

• A. Flight visibility as per the approach
• B. ATC clearance
• C. TDZ lights and markings
• D. ALS in sight

Answer: (B)

Descending below published minimums is determined by what you can see, not by an outside clearance. You may descend to or below the minimums only if you have the required visual references and lighting in sight to continue the approach safely. The published visibility minimum must be met, ensuring you have enough forward view to maintain obstacle clearance. Touchdown zone lights and markings provide the runway area cues you need to identify the threshold and maintain the correct descent path. The approach lighting system in sight helps establish runway alignment and depth perception as you near the runway. ATC clearance, while essential for overall airspace control and for being cleared to land, is not a condition to descend below minimums—the descent decision hinges on having the proper visual references in sight.