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Coding Example can be found in the AIXM DONLON ACGAIP file.
| No. | Description | XPath Expression |
|---|---|---|
| 1 | ATS airspace type FIR | //aixm:Airspace//*[aixm:type='FIR'] |
| 2 | Special activity airspace type Danger Area | //aixm:Airspace//*[aixm:type='D'] |
| 3 | Transition Altitude | //aixm:AirportHeliport//aixm:transitionAltitude |