Definition
The set of physical layout, dimensional, and marking standards used to plan and build a heliport, including the touchdown and lift-off area (TLOF), final approach and takeoff area (FATO), safety area, approach/departure paths, and obstacle clearance surfaces. In the United States, heliport design criteria are published in FAA Advisory Circular 150/5390-2 (Heliport Design).
Plain English
The rules and standards that decide how a heliport is laid out — how big the landing pad is, what space surrounds it, where helicopters fly in and out, and what must be kept clear of obstacles.
Context Anchor
Seen when an instrument procedure leads toward a specific VFR heliport, because the heliport’s layout and surrounding area affect what the pilot can safely see and do near the end of the approach.
Derivation
Heliport combines 'helicopter' with 'port' (a place for arrivals and departures, like 'airport' or 'seaport'). Design here means the engineered specification of the facility, not its visual appearance.
Why Pilots Care
Heliport design directly affects whether a pilot can safely identify the landing site, maintain visual references, and avoid obstacles during the final approach.
Intuition Check
Do not read “design” here as decoration or appearance. In this context, it means the functional layout and safety features that make the heliport usable by helicopters.
Example Sentence 1
Before flying into the hospital pad, the pilot reviewed the heliport design to confirm the FATO was large enough for the aircraft.
Example Sentence 2
Because the heliport design included proper perimeter lights and a marked FATO, the pilot could maintain visual contact all the way to landing.