An overview of the Heliport Obstruction Identification Surfaces toolset

获得 Aviation Airports 许可后可用。

The Heliport Obstruction Identification Surfaces toolset contain a tool to generate obstruction identification surfaces for heliports.

Tool	Description
FAA 2C	Generates an Obstruction Identification Surface (OIS) for helipads based on specifications from FAA Advisory Circular 150/5390-2C.