text: Chapter 4
  Whiteouts
  4-85. If the tactical situation permits, the GTA radio operator advises the pilot of the surface conditions
  so the pilot can plan how to approach. Using the echelon left or right landing formation reduces the effect
  of snow clouds (also called "whiteouts") on subsequent landings. The pathfinder plans to stagger aircraft
  arrivals to let the snow clouds settle.
  Figure 4-21. Lessening the effects of loose snow on the ground.