What is the tolerance for approach in degrees?

The correct tolerance for approach in degrees is ±5 degrees. This standard is significant for maintaining flight path precision and consistency during the approach phase of flight.

In instrument approach procedures, a tolerance of ±5 degrees helps ensure adequate lateral navigation and alignment with the runway, reducing the risk of deviation which could lead to potentially dangerous situations. Keeping the approach angle within this tolerance improves safety and increases the likelihood of a successful landing by allowing pilots to account for environmental factors such as wind, which may affect the aircraft’s trajectory.

The other options imply broader tolerances that may not meet the requirements for precision approaches, potentially leading to greater variability and challenges in aircraft handling during critical phases of flight. Thus, the selection of ±5 degrees reflects the industry standard for a balanced approach between safety and operational feasibility.