What does the Coordination Level (CL) determine for aircraft operations?

The Coordination Level (CL) is crucial in ensuring the safe integration of different types of aircraft, particularly fixed-wing and rotary-wing aircraft, within the same airspace. The CL helps determine the vertical and horizontal separation distances necessary to prevent potential conflicts and ensure safe operations, especially in environments where both types of aircraft may operate concurrently, such as in military operations or within busy air traffic control zones.

By establishing appropriate separation, the Coordination Level aids in minimizing the risk of collision and enhancing the overall efficiency of airspace usage. This is particularly vital as the performance characteristics and operational procedures of fixed-wing and rotary-wing aircraft can differ significantly, requiring careful management of their interactions.

Considering the other options: determining the altitude for rotary-wing operations addresses specific performance requirements of those aircraft but doesn't encompass the broader operational safety that the Coordination Level ensures. Maximum speed during operations might relate to performance limits, yet it is not the primary focus of what the Coordination Level entails. Identifying the type of aircraft that can be deployed also lacks the necessary emphasis on safety and separation, which is central to the Coordination Level’s function.