Obstruction
urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:Obstacle:Obstruction
The highest airspace, obstacle or terrain relative to a prescribed plane within a specified area.
| Properties | Definition | Type |
|---|---|---|
| isAssessmentSurfacePenetrated | A code indicating whether the controlling obstacle penetrates the assessment surfaces. |
Boolean |
| adjustment | Operational factors applied to obstacle clearance altitudes to produce the safest usable altitude. | AltitudeAdjustment |
| obstaclePlacement | Location of obstacle in relation to a given point. | ObstaclePlacement |
| verticalStructureObstruction | Vertical assessment controlling obstacle. | VerticalStructure |
| slopePenetration | A value calculated by dividing 102.0 (a constant) with the angle of the glidepath. |
Angle |
| requiredClearance | Required altitude adjustment above any obstacle or terrain within a defined safety buffer region. | ValDistanceType |
| minimumAltitude | The value of the minimum obstacle clearance altitude. | ValVerticalDistanceType |
| isControlling | Indication whether it is a controlling obstruction for the associated obstacle assessment area. |
Boolean |
| isCloseIn | Indication whether the obstruction penetrates the 40:1 OCS, therefore requiring a climb gradient to 200 feet or less above the departure end of runway. |
Boolean |
isAssessmentSurfacePenetrated
urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:Obstacle:Obstruction@isAssessmentSurfacePenetrated
A code indicating whether the controlling obstacle penetrates the assessment surfaces.
type: Boolean
| Model | Concept |
|---|---|
|
AIXM 5.1.1 |
surfacePenetration |
adjustment
urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:Obstacle:Obstruction@adjustment
Operational factors applied to obstacle clearance altitudes to produce the safest usable altitude.
type: AltitudeAdjustment
| Model | Concept |
|---|---|
|
AIXM 5.1.1 |
adjustment |
obstaclePlacement
urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:Obstacle:Obstruction@obstaclePlacement
Location of obstacle in relation to a given point.
type: ObstaclePlacement
| Model | Concept |
|---|---|
|
AIXM 5.1.1 |
obstaclePlacement |
verticalStructureObstruction
urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:Obstacle:Obstruction@verticalStructureObstruction
Vertical assessment controlling obstacle.
type: VerticalStructure
| Model | Concept |
|---|---|
|
AIXM 5.1.1 |
theVerticalStructure |
slopePenetration
urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:Obstacle:Obstruction@slopePenetration
A value calculated by dividing 102.0 (a constant) with the angle of the glidepath.
type: Angle
| Model | Concept |
|---|---|
|
AIXM 5.1.1 |
slopePenetration |
requiredClearance
urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:Obstacle:Obstruction@requiredClearance
Required altitude adjustment above any obstacle or terrain within a defined safety buffer region.
type: ValDistanceType
| Model | Concept |
|---|---|
|
AIXM 5.1.1 |
requiredClearance |
minimumAltitude
urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:Obstacle:Obstruction@minimumAltitude
The value of the minimum obstacle clearance altitude.
type: ValVerticalDistanceType
| Model | Concept |
|---|---|
|
AIXM 5.1.1 |
minimumAltitude |
isControlling
urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:Obstacle:Obstruction@isControlling
Indication whether it is a controlling obstruction for the associated obstacle assessment area.
type: Boolean
| Model | Concept |
|---|---|
|
AIXM 5.1.1 |
controlling |
isCloseIn
urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:Obstacle:Obstruction@isCloseIn
Indication whether the obstruction penetrates the 40:1 OCS, therefore requiring a climb gradient to 200 feet or less above the departure end of runway.
type: Boolean
| Model | Concept |
|---|---|
|
AIXM 5.1.1 |
closeIn |