Glossary

AIP: Aeronautical Information Publications are official documents published by national aviation authorities. They are the main sources for OFM.
Attribute: OFMX XML elements may have attributes such as <Ahp source="EB|AD|1.3|2018-01-04|3857">. They appear in this documentation as @source or fully qualified as Ahp@source.
Element: OFMX XML elements are tags such as <Ahp>. They appear in this documentation as Ahp (element of a core feature) or Rwy (other elements). The nesting of elements is expressed as Rwy->valLen and elements of a specific type as Ase#CLASS.
IATA code: A three upcase letter code identifying an airport (e.g. "CDG").
ICAO code: A four upcase letter code identifying an aeronautical location such as of an airfield (e.g. "LFPG"). The first two letters are an ICAO nationality code.
ICAO nationality code: A two upcase letter code identifying a nation (e.g. "LF"). Some countries have more than one code.
Identifier: *Uid element which identifies a feature; see Features.
OFM Editor: Editor used by contributors to work on the OFM dataset, a .NET application also known as ION originative suite.
Region: Area of responsibility a feature belongs to; see @region.