Which statement correctly communicates control for turns and descent with a block altitude?

• A. N122 is your control for turns and descent, block 4000 and below approved.
• B. N122 is your control for turns only, block 4000 approved.
• C. N122 may descend to 4000 without approval.
• D. N122 is your control for turns and descent, block 8000 and below approved.

Answer: (A)

The key idea is clearly communicating who has control, what maneuvers they can execute, and up to what altitude that control applies. The correct statement does all three: it assigns control to N122 for both turns and descent, and it specifies the altitude ceiling as 4000 feet and below, with approval included.

This precise combination ensures the receiving controller knows they may issue turns and descent while aircraft are at or below 4000 feet, and that this authorization is officially approved. The other options fall short because they either limit control to turns only, omit the descent authority, or set the altitude limit incorrectly (or imply descending without proper approval).