Question: How and when should I populate the fromRwyCenterlineDist of the Obstacle feature class?

Answer: Populate this distance for all obstacles within a Vertically Guided Runway Primary Surface (VGRPS), Vertically Guided Primary Connection Surface (VGPCS), Vertically Guided Approach Transitional Surface (VGATS), Vertically Guided Approach Surface (VGAS) or Vertically Guided Protection Surface (VGPS) associated with a specific Runway.

Measure the distance from the runway centerline perpendicular to the runway centerline or an extension of the runway centerline.

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