Which of the following is a requirement for hasty or unsecured helicopter landing zones?

In the context of hasty or unsecured helicopter landing zones, effective communication with ground personnel is crucial. This requirement ensures that the helicopter crew can coordinate their approach and landing safely. Communication allows for real-time updates about any potential hazards, changes in the environment, or the status of medical emergencies that may impact the landing.

Establishing communication is particularly important in unsecured areas, as these zones may lack the standard safety features of a secured landing site. By maintaining contact with ground teams, the helicopter crew can receive essential information and provide updates, enhancing the safety of both the flight and ground operations.

While perimeter lighting, approach and departure headings, and a landing beacon may contribute to overall landing zone safety, they are not strict requirements in the same way that reliable communication is, especially in hasty or unsecured environments where quick decision-making can be vital.