What is the recommended area size for a helicopter landing zone (LZ)?

The recommended area size for a helicopter landing zone (LZ) is 100x100 feet on firm and level ground. This size ensures that there is ample space for safe landing and takeoff, minimizing the risk of the helicopter striking any obstacles or encountering uneven terrain that could cause instability during landing.

A landing zone of this size allows for adequate clearance from potential hazards, such as trees, buildings, and power lines, while also accommodating the rotor wash generated by the helicopter. Firm ground is critical because it provides a stable surface that can support the weight of the helicopter and prevent it from sinking or tipping upon landing.

Understanding this requirement is essential for ensuring the safety of both the flight crew and any patients being transported. A landing zone that is too small would compromise safety, while one that is excessively large is unnecessary and could complicate the logistics of the landing operation.