What is one characteristic of helicopter operations that should be considered when issuing frequency changes?

One important characteristic of helicopter operations is the need for careful frequency management during certain low-speed maneuvers, which might include hovering, approach, or departure. When helicopters are performing these maneuvers, they may be flying at lower altitudes and at reduced speeds, which can make them more vulnerable to changes in their operational environment, including communication changes.

Issuing a frequency change during these critical phases can lead to communication gaps where the pilot is trying to manage both the maneuver and the switch, potentially compromising safety. Therefore, it is crucial to ensure that communication remains stable during these operations to maintain situational awareness and avoid confusion.

The other choices do not accurately reflect best practices in helicopter operations regarding frequency changes. For example, while contact with ground control is important, it doesn’t imply that they must be in contact at all times or that frequency changes are limited only at cruising altitude. Lastly, single-pilot operations do not permit arbitrary frequency changes without consideration of safety and operational context.