| Name | Data Type | Definition | |
|---|---|---|---|
| nilReason | NilReasonEnumeration | ||
| APPROACH | string | (AirMAT) | Inherited from CodeObstructionIdSurfaceZoneBaseType |
| CONICAL | string | (AirMAT) | Inherited from CodeObstructionIdSurfaceZoneBaseType |
| HORIZONTAL | string | (AirMAT) | Inherited from CodeObstructionIdSurfaceZoneBaseType |
| PRIMARY | string | (AirMAT) | Inherited from CodeObstructionIdSurfaceZoneBaseType |
| TRANSITION | string | (AirMAT) | Inherited from CodeObstructionIdSurfaceZoneBaseType |
| OTHER | string | Other | Inherited from CodeObstructionIdSurfaceZoneBaseType |