If Slippery Wet is the primary contaminant, what is the secondary selection?

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Multiple Choice

If Slippery Wet is the primary contaminant, what is the secondary selection?

In runway surface condition reporting, you describe the dominant surface state (the primary contaminant) and then note any additional state (the secondary selection) to give a fuller picture of the surface. If the surface is primarily Slippery Wet, that means moisture is the dominant factor causing reduced friction. The secondary field is meant to capture any other condition present on the surface. Dry is the best match here because it represents areas that are not contributing to slipperiness beyond the primary condition. The other options would imply additional moisture-related states (Icy or Wet) or would duplicate the primary condition (Slippery Wet), which isn’t how this dressing of data is intended. So Dry as the secondary selection completes the overall runway condition description.

In runway surface condition reporting, you describe the dominant surface state (the primary contaminant) and then note any additional state (the secondary selection) to give a fuller picture of the surface.

If the surface is primarily Slippery Wet, that means moisture is the dominant factor causing reduced friction. The secondary field is meant to capture any other condition present on the surface. Dry is the best match here because it represents areas that are not contributing to slipperiness beyond the primary condition. The other options would imply additional moisture-related states (Icy or Wet) or would duplicate the primary condition (Slippery Wet), which isn’t how this dressing of data is intended. So Dry as the secondary selection completes the overall runway condition description.

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