What does the Approach zone control?

The correct answer pertains to the specific range in which the Approach zone operates, focusing on the control of aircraft. The range of 21 to 8 nautical miles from the carrier is critical for the management of aircraft in the approach phase, determining when aircraft transition from long-range to the more controlled stages of their landing sequence.

This area is crucial as it allows for the effective coordination of flight paths and the integration of incoming aircraft with the carrier's capabilities and environment. In this phase, the aircraft are typically preparing for landing and need precise and effective control to ensure safety and efficiency.

The distances in the other options do not fall within the standard definition of the Approach zone's operational control range, which is why they do not represent the correct operational parameters for this zone. This understanding is pivotal for conducting operations safely and effectively in an active carrier environment.