What feature is necessary for a permanent helicopter landing zone?

A permanent helicopter landing zone requires two approach and departure headings to ensure safe landings and takeoffs. This feature is essential because it allows for greater flexibility in navigating varying wind conditions and enhances the safety of operations by providing multiple pathways for the helicopter to approach or depart.

Having only one approach heading could limit the helicopter's operational capacity, making it less adaptable to changing weather conditions or emergency situations. The presence of two distinct headings enables pilots to manage the landing and departure in a manner that minimizes risks, especially in environments that may have obstacles or terrain variations. This design consideration is crucial for maintaining a high standard of operational safety in flight paramedic scenarios.

While additional structures, equipment, or features might be beneficial for certain operations or conditions, the fundamental requirement for a permanent landing zone is the provision of those two approach and departure headings.