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4705.4.2 Occupancy-Based Requirements, Minimum Requirements
(15 240 mm by 15 240 mm). Note: The touchdown pad is the same size as the takeoff and landing area. Peripheral area: The peripheral area ...
4705.4.2 Occupancy Based Requirements, Minimum Requirements
feet (15 240 mm by 15 240 mm). Note: The touchdown pad is the same size as the takeoff and landing area. Peripheral area: The peripheral area ...
4705.4 Occupancy Based Requirements, Emergency Helicopter Landing Facility
feet horizontal distance for every 1 foot of vertical height. PERIPHERAL AREA. An obstruction free (i.e., no intrusions into the approach-departure ...
4705.4.1 Occupancy Based Requirements, Definitions
foot of vertical height. PERIPHERAL AREA. An obstruction free (i.e., no intrusions into the approach-departure path) area adjacent to the takeoff ...
Section 4705 Occupancy Based Requirements, New High-Rise
and is a rising slope determined by a ratio of 8 feet horizontal distance for every 1 foot of vertical height. PERIPHERAL AREA. An obstruction free (i.e ...