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ivac2:firdef_transitionlevel_xml [2014/04/18 16:13] filip.jonckers |
ivac2:firdef_transitionlevel_xml [2017/04/08 14:27] |
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| - | [[ivac2:firdef_toc|Back]] | ||
| - | ====== transitionlevel.xml ====== | ||
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| - | The **transitionLevel.xml** file is used to calculate the transition level (TRL) and the transition altitude (TA) for each airport. | ||
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| - | ^Root Element|trl|| | ||
| - | ^Element|airport|| | ||
| - | ^Attribute^Format^Remarks^ | ||
| - | |icao|string|airport icao code, selects every airport starting with this (partial) ICAO code| | ||
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| - | The icao attribute can be a full 4 character ICAO airport designator or a partial code which will select multiple airports. | ||
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| - | === example ICAO attribute === | ||
| - | * “le” will select all Spanish airports starting with “le” | ||
| - | * “egl” will select all airports starting with “egl” | ||
| - | * “eddf” will only select EDDF Frankfurt | ||
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| - | ^Element|qnh|| | ||
| - | ^Attribute^Format^Remarks^ | ||
| - | |ta|integer|Transition Altitude (TA)| | ||
| - | |trl|integer|Transition Level (TRL) in hundreds of feet| | ||
| - | |min|float|minimum QNH value| | ||
| - | |max|float|maximum QNH value| | ||
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| - | The TRL (transition level) is choosen using the current QNH and comparing it with the minimum and maximum QNH values. | ||
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| - | ==== example ==== | ||
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| - | <code XML> | ||
| - | <trl> | ||
| - | <airport icao="eb"> | ||
| - | <qnh ta="4500" trl="45" min="1031.3" max="1049.3" /> | ||
| - | <qnh ta="4500" trl="50" min="1013.2" max="1031.2" /> | ||
| - | <qnh ta="4500" trl="55" min="995.1" max="1013.1" /> | ||
| - | <qnh ta="4500" trl="60" min="977.0" max="995.0" /> | ||
| - | <qnh ta="4500" trl="65" min="958.9" max="976.9" /> | ||
| - | </airport> | ||
| - | </trl> | ||
| - | </code> | ||