What visibility is required for student pilots at all times during the day?

For student pilots flying during the day, a visibility requirement of 3 statute miles is mandated. This standard is part of the regulations set forth by the Federal Aviation Administration (FAA), which establish the minimum visibility for visual flight rules (VFR) operations. Ensuring 3 statute miles of visibility allows students to maintain a safe distance from terrain and obstructions, as well as provide a sufficient visual reference to navigate effectively. This requirement is crucial for safety, particularly for those who are still in training and may not have the experience needed to handle reduced visibility scenarios effectively.

In understanding the context of the other choices, it's important to note that the other visibility figures (1, 2, and 5 statute miles) do not align with regulations for student pilots flying under VFR rules during the day. Each option signifies different conditions or categories of flight but does not meet the specific requirement for student pilots under typical training conditions.