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| Entity |
| Name: |
APPROACH-DIRECTION |
| Definition: |
A CONTROL-FEATURE that specifies approach directional details for takeoff and landing. |
| Supertype: |
CONTROL-FEATURE |
| Cardinality relationships: |
| Parent Entity |
Verb Phrase |
Child Entity |
Relationship Type |
Logical Foreign Keys |
Cardinality |
| APPROACH-DIRECTION |
is-the-object-of / |
RUNWAY-APPROACH-DIRECTION-ASSOCIATION |
Identifying |
approach-direction-id |
One-to-Zero-One-or-More |
|
|
| Attributes: |
| Name |
Opt |
Definition |
| approach-direction-id (PK) (FK) |
MA |
The control-feature-id of a specific APPROACH-DIRECTION (a role name for object-item-id). |
| approach-direction-angle-text |
OP |
The character string assigned to represent a runway in terms of a whole number nearest one-tenth of the magnetic azimuth of
the centreline of the runway, measured clockwise from magnetic north (where six degrees is used as the break off point for
the next highest number).
|
| approach-direction-category-code |
OP |
The specific value that differentiates between left, right and centre parallel runways, Short Takeoff and Landing (STOL) or
true as applicable.
|
|
|
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