Which of the following is NOT a characteristic of organized track systems in oceanic airspace?

Organized track systems in oceanic airspace are designed to optimize air traffic management by providing structured routes for aircraft. One of the key characteristics of these systems is that they require lateral separation between different tracks to ensure safe distances between aircraft and to prevent potential collisions. This separation is essential due to the limited radar coverage over oceanic areas, where air traffic control relies on strategic planning and organization of flight paths.

The correct answer reflects that there is indeed a lateral separation requirement in organized track systems. In contrast, the other characteristics highlight the efficiency and adaptability of these systems. They do provide more efficient routing by streamlining traffic flows, they change daily to accommodate variations in air traffic and weather conditions, and they include fixed entry and exit points for better navigational clarity and safety.