This dataset is also known as vertical obstructions or vertical obstacles due to the importance of this information for aeronautical safety as pilots must chart courses that maintain a lowest safe altitude above on-ground obstacles.
Navigation aids and obstacles on land include:
Radio towers and masts
Skyscrapers and other tall structures
Chimneys on power plants
Aeronautical navigation and safety
Shows the location of obstacles which determine the safest lowest altitude for flying, in particular within 45km of an airport
Freedom of manoeuvre in airspace for defence purposes
Land-based navigation and safety
Used as a landmark for terrestrial navigation and in the delivery of emergency services in rural and remote areas
Standards and Specifications
AS/NZS 4819:2011 Rural and Urban Addressing
AS/NZS ISO 19115 - ANZLIC Metadata Profile Version 1.1 (implemented using ISO/TS 19139:2007, Geographic information – Metadata – XML schema implementation)
AS/NZS ISO 19131:2008 Geographic Information – Data product specifications
Civil Aviation & Safety Authority regulations
Open Geospatial Consortium (OGC) Web Feature Service (WFS) Implementation Specification 1.1.0 (OGC Document No. 04-094)
Open Geospatial Consortium (OGC) Web Map Service (WMS) Implementation Specification 1.3.0 (OGC Document No. 06-042)
The Commonwealth has carriage for aeronautical navigation under the Civil Aviation Safety Act and Regulations 1978, and the Airports Act 1996.
Key Commonwealth stakeholders include:
Department of Infrastructure and Regional Development, as the lead Australian Government agency on transport and regional affairs
Civil Aviation & Safety Authority
Geoscience Australia, due to its role as the national mapping authority and its close collaboration with state and territory agencies in maintaining all topographic information, its role in maintaining information on exposure of infrastructure to hazards, and its underpinning role in providing spatial advice to other parts of Australian Government.
Industry stakeholders include national and regional airlines, charter services, emergency services and health service providers such as the Royal Flying Doctor Service.