What is a key factor in the design of a heliport?

The design of a heliport is significantly influenced by the maximum weight and rotor diameter of the helicopters that will operate there. This is because the physical dimensions and load-bearing requirements of the heliport must accommodate the specific helicopters, including their rotor span, which affects both safety and the operational efficiency of takeoffs and landings. The maximum weight impacts the structural considerations, such as the strength of the helipad material and support structures, ensuring that they can bear the load without risk of damage or failure.

Designing a heliport requires careful consideration of these factors to ensure that it meets safety standards and operational needs. Incorrectly accounting for rotor diameter can lead to inadequate spacing for maneuvers and potential airspace conflicts, while failing to account for maximum weight could jeopardize the heliport's structural integrity during operations. Thus, this aspect is critical for ensuring the heliport is functional and safe for all intended uses.