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The Heliport Obstruction Identification Surfaces toolset contains tools that generate obstruction identification surfaces for helipads and heliports.
| Tool | Description |
|---|---|
Generates an Obstruction Identification Surface (OIS) for helipads based on specifications from FAA Advisory Circular 150/5390-2C. | |
Generates obstruction identification surfaces (OIS) for heliports based on ICAO Annex 14 Volume II specifications. |